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Journal Publications and Papers in Edited Books 1983 CLARK, N.N. and FLEMMER, R.L.C., “Narrow Bore Deep Shaft Reactors”, Chemsa, Vol. 9, 1983, pp. 62 63. 1984 CLARK, N.N. and FLEMMER, R.L.C., “On Vertical Downward Two Phase Flow”, Chemical Engineering Science, Vol. 39, 1984, pp. 170 173. CLARK, N.N. and FLEMMER, R.L.C., “A Method for Determining Pressure Losses in Two-Phase Flow”, International Journal of Multiphase Flow, Vol. 10, 1984, pp. 737 738. CLARK, N.N., DURNEY, T.E. and MELOY, T.P., “Recent Advances in Particle Shape Characterization”, Journal of Powder and Bulk Solids Technology, Vol. 8, 1984, No. 3, pp. 21 24. CLARK, N.N., “Predicting the Circulation Rate in Pachuca Tanks with Full Height Draft Tubes”, Minerals and Metallurgical Processing, 1984, pp. 226 232. Also appears in the 1984 Transactions of the AIME, Vol. 273. MELOY, T.P., CLARK, N.N., DURNEY, T.E. and PITCHUMANI, B., “Sieve Cascadography for Characterizing Particle Shape Mixes of Powders”, Particulate Science and Technology, Vol. 2, No. 3, 1984, pp. 259 270. CLARK, N.N., FLEMMER, R.L.C. and MELOY, T.P., “Hydraulic Transport of Abrasive Solids: The Air-Lift Pump”, Particulate Science and Technology, Vol. 2, no. 4, 1984, pp. 337 348. CLARK, N.N. and FLEMMER, R.L.C., “Aeration in Two-Phase Vertical Bubble Flow”, Indian Chemical Engineer, Vol. 26, No. 4, 1984, pp. 26 31. 1985 CLARK, N.N. and FLEMMER, R.L.C., “Gas-Liquid Contacting in Vertical Two Phase Flow”, Industrial and Engineering Chemistry Process Design and Development, Vol. 24, No. 2, 1985, pp. 231 236. CLARK, N.N. and FLEMMER, R.L.C., “The Bubble to Slug Transition in Gas-Liquid Upflow and Downflow”, Journal of Pipelines, Vol. 5, 1985, pp. 53 65. CLARK, N.N. and FLEMMER, R.L.C., “Predicting the Holdup in Two-Phase Bubble Upflow and Downflow Using the Zuber and Findlay Drift-Flux Model”, A.I.Ch.E. Journal, Vol. 31, No. 3, 1985, pp. 500 503. CLARK, N.N. MELOY, T.P. and FLEMMER, R.L.C., “Predicting the Lift of Airlift Pumps in the Bubble Flow Regime”, CHEMSA Vol. 11, No. 1, 1985 pp. 14 17. MELOY, T.P. and CLARK, N.N., “Liberation of Target Material from Locked Particles: A Theoretical Analysis”, Particulate Science and Technology, Vol. 3, No. 1, 1985. MELOY, T.P., CLARK, N.N. DURNEY, T.E. and PITCHUMANI, B., “Measuring the Particle Shape Mix in a Powder with the Cascadograph”, Chemical Engineering Science, Vol. 40, No. 7, 1985, pp. 1077 1084. CLARK, N.N. and FLEMMER, R.L.C., “Two Phase Pressure Loss in Terms of Mixing Length Theory I: Derivation for the General Case of Dispersed Flow”, Industrial and Engineering Chemistry Fundamentals, Vol. 24, No. 4, 1985, pp. 412 418. CLARK, N.N. and MELOY, T.P., “Delta Analysis of Particle Surface Fine Structure”, Journal of Powder and Bulk Solid Technology, Vol. 9, 1985, No. 1, pp. 1 8. CLARK, N.N. and FLEMMER, R.L.C., “Two Phase Pressure Loss in Terms of Mixing Length Theory II: Comparison of Model with Up and Downflow Data”, Industrial and Engineering Chemistry Fundamentals, Vol. 24, No. 4, 1985, pp. 418 422. 1986 CLARK, N.N. and DABOLT, R., “A General Design Equation for Air Lift Pumps Operating in Slug Flow”, A.I.Ch.E. Journal, Vol. 32, No. 1, 1986 pp. 56 64. CLARK, N.N., “Three Techniques for Digital Fractal Analysis of Particle Shape”, Powder Technology, Vol. 46, No. 1, 1986, pp. 45 52. CLARK, N.N., “Fractal Harmonics and Rugged Materials”, (Letter) Nature, Vol. 319, 1986, pp. 625. MELOY, T.P., CLARK, N.N. and GLISTA, J., “Effect of Density Variations in Heavy Media Rougher, Cleaner, Scavenger Circuits - Circuit Analysis”, International Journal of Mineral Processing, Vol. 16, pp. 169 178, 1986. MELOY, T.P., CLARK, N.N. and PITCHUMANI, B., “Particle Shape Analysis and Separation - A Critical Review”, Journal of Powder and Bulk Solids Technology, Vol. 10, No. 1, 1986, pp. 15-20. CLARK, N.N. and FLEMMER, R.L.C., “The Effect of Varying Gas Voidage Distributions on Average Holdup in Vertical Bubble Flow”, International Journal of Multiphase Flow, Vol. 12, No. 2, 1986, pp. 299 302. MURALI, C., PITCHUMANI, B. and CLARK, N.N., “A Settler for Continuous Particle Shape Separation”, International Journal of Mineral Processing, Vol. 18, 1986, pp. 237 249. MELOY, T.P., FERRARA, G., PRETI, U. and CLARK, N.N., “Generalized Locking Profile for Angular Particles - Locked Particle Theory”, Particle Characterization, Vol. 3, 1986, pp. 63 67. 1987 CLARK, N.N., FLEMMER, R.L.C. and ATKINSON, C.M., “Turbulent Circulation in Bubble Columns”, A.I.Ch.E. Journal, Vol. 33, No. 3, 1987, pp. 515 518. CLARK, N.N. and ATKINSON, C.M., “Effect of Solids Settling on Pachuca Tank Performance”, Minerals and Metallurgical Processing, Vol. 4, No. 1, 1987, pp. 24 27. CLARK, N.N. and JONES, A.G., “On the Prediction of Liquid Circulation in a Draft Tube Bubble Column”, Chemical Engineering Science, Vol. 42, No. 2, 1987, pp. 378. FLEMMER, R.L.C. and CLARK, N.N., “Wave Velocity in Fluidized Beds Predicted from a New Equation of State”, Powder Technology, Vol. 50, No. 1, 1987, pp. 77 78. GANSER, G. and CLARK, N.N., “Propagation of Continuity and Shock Waves in an Unsupported Fluidized Bed”, Chemical Engineering Science, Vol. 42, No. 5, 1987, pp. 1265 1268. CLARK, N.N., “A New Scheme for Particle Shape Characterization Based on Fractal Dimension and Fractal Harmonics”, Powder Technology, Vol. 51, 1987, pp. 243 249. CLARK, N.N., DIAMOND, H., GELLES, G., BOCOUM, B. and MELOY, T.P., “Polygonal Harmonics of Silhouettes: Shape Analysis”, Particle Characterization, Vol. 4, 1987, pp. 38 43. MELOY, T.P., PITCHUMANI, B. and CLARK, N.N., “Residence Time Distribution of Particles on Sieves: Shape Separation”, Indian Chemical Engineer, Vol. 29, No. 1, 1987, pp. 43 49. TURTON, R. and CLARK, N.N., “An Explicit Relationship to Predict Spherical Particle Terminal Velocity”, Powder Technology, Vol. 53, No. 2, 1987, pp. 127 129. HURTER, P.M. and CLARK, N.N., “Persistence of Polygonal Harmonics as Shape Descriptors”, Particle Characterization, Vol. 4, 1987, pp. 101 105. CLARK, N.N., DURNEY, T.E., HSIEH, H.P. and MELOY, T.P., “Preliminary Results from an Automated Sieve Cascadograph”, Particulate and Multiphase Processes, (T. Ariman and T. N. Veziroglu, eds.)Vol. 1, pp. 471 482, Hemisphere, Washington, 1987. MELOY, T. P. and CLARK, N.N., “A Critical Comparison of Particle Shape Analysis Techniques”, Particulate and Multiphase Processes, (T. Ariman and T. N. Veziroglu, eds.) Vol. 1, pp. 437 446, Hemisphere, Washington, 1987. MELOY, T. P. and CLARK, N.N., “Analysis of Particle Edge Angularity Using a Delta Algorithm”, Particulate and Multiphase Processes, (T. Ariman and T. N. Veziroglu, eds.) Vol. 1, pp. 459 470, Hemisphere, Washington, 1987. 1988 CLARK, N.N. and ATKINSON, C.M., “Amplitude Reduction and Phase Lag in Fluidized Bed Pressure Measurements”, Chemical Engineering Science, Vol. 43, No. 7, 1988, pp. 1547 1557. ATKINSON, C.M. and CLARK, N.N., “Gas Sampling from Fluidized Beds: A Novel Probe System”, Powder Technology, Vol. 54, 1988, No. 1, pp. 59 70. CLARK, N.N. and MELOY, T.P., “Automated Cascadography for Particle Sample Shape Description”, Powder Technology, Vol. 54, 1988, pp. 271 277. CLARK, N.N. and TURTON, R., “Measured Chord Length Distributions Related to Bubble Size Distributions in Multiphase Systems”, International Journal of Multiphase Flow, Vol. 14, No. 4, 1988, pp. 413 424. CLARK, N.N., VAN EGMOND, J.W. and TURTON, R., “A Correlational Representation of Geldart's Classification”, Powder Technology, Vol. 56, No. 3, 1988 pp. 225 226. VAN EGMOND, J. and CLARK, N.N., “Development and Testing of a Computer Program for Polygonal Harmonic Shape Analysis”, Journal of Powder and Bulk Solids Technology, Vol. 12, 1988. TURTON, R., and CLARK, N.N., “Predicting the Response of Pressure Probes in Pneumatic Conveying and Fluidized Beds”, Journal of Powder and Bulk Solids Technology, Vol. 12, No. 3, 1988, pp. 13-18. FLEMMER, R.L.C., CLARK, N.N. and FLEMMER, C., “On the Voidage of Spherical Fluidized Particles”, Journal of Powder and Bulk Solids Tech., Vol. 12, No. 4, pp. 1-6, 1988. 1989 REGANATHAN, K., TURTON, R. and CLARK, N.N., “Accelerating Motion of Geometric and Spherical Particles in a Fluid”, Powder Technology, Vol. 58, 1989, pp. 279 284. TURTON, R.A. and CLARK, N.N., “Interpreting Probe Signals from Fluidized Beds”, Powder Technology, Vol. 59, 1989, pp. 117 123. KINCAID, K., SMITH, J.E. and CLARK, N.N., “Combustion Ignition Delay in Engines with Unconventional Piston Motions” Proc. Institute of Mechanical Engineers, Vol. 203, 1989, pp. 193 196. MELOY, T.P. and CLARK, N.N., “Locking Profile of Diamond Shaped Particles of All Aspect Ratios”, Int. Jour. Mineral Processing, Vol. 25, 1989, pp. 167-174. CLARK, N.N., GABRIEL, P., SHUKER, S. and TURTON, R., “Drag Coefficient of Irregular Particles in Newton's Settling Regime”, Powder Technology, Vol. 59, No. 1, 1989, pp. 69 72. CLARK, N.N., FLEMMER, R.L.C. and VAN EGMOND, J., “Non-Newtonian Two-Phase Circulation in Bubble Columns”, Canadian Journal of Chemical Engineering, Vol. 67, 1989, No. 5, pp 862 865. GEORGE, A., CLARK, N.N., SMITH, J.E. and COX, J., “Experimental Investigation of the Heat Release Rate in A Sinusoidal Spark Ignition Engine”, Society of Automotive Engineers Transactions, 1989. (This is also reported as a conference paper, 1989.) CLARK, N.N., TURTON, R. and FLEMMER, R.L.C., “The Effect of Particle Shape on Fluidization and Fluid-Particle Interactions”, Particulate Science and Technology, Vol. 7, No. 4, 1989, pp. 399-414. TURTON, R. and CLARK, N.N., “Capture and Recycling of Bypassing Bubble Gas in a Fluidized Bed: The Bubble Eater”, Particulate Science and Technology, Vol. 7, No. 4, 1989, pp. 381-398. 1990 CLARK, N.N., VAN EGMOND, J.W., and NEBIOLO, E., “The Drift-Flux Model Applied to Bubble Columns and Low Velocity Flows”, International Journal of Multiphase Flow, Vol. 16, No. 2, 1990, pp. 261-279. 1991 PICKETT, J., CLARK, N.N. and SHUKER, S., “A Re-Examination of Piper's Angular Analysis”, Particle Characterization, Vol. 8, 1991, pp. 110-115. CLARK, N.N., MCKENZIE, E.A., JR., and GAUTAM, M., “Differential Pressure Measurements in a Slugging Fluidized Bed”, Powder Technology, Vol. 67, No. 2, 1991, pp. 187-199. COX, J. and CLARK, N.N., “The Effect of Particle Drag Relationships on Prediction of Kinematic Wave Velocity in Fluidized Beds”, Powder Technology, Vol. 66, 1991, pp. 177-189. THOMPSON, T. and CLARK, N.N., “A Holistic Approach to the Prediction of Non-Spherical Particle Drag”, Powder Technology, Vol. 67, 1991, p. 57-66. CLARK, N.N., SMITH, J.E., CRAVEN, R. AND SMITH, J., “High Load Squeeze-Action Linear Bearings with Beam Deflection”, Tribology International, Vol. 24, No. 4, 1991, pp. 213-224. REILLY, S. and CLARK, N.N., “Computer Based General Shape Description with Polygonal Harmonics and a Roughness Index”, Proc. Inst. Mech. Engrs., Vol. 205, 1991, pp. 103-111. MAEDER, A.J. and CLARK, N.N., “Harmonic Endurance: A New Shape Descriptor Derived From Polygonal Harmonics”, Powder Technology, Vol. 68, 1991, pp. 137-143. BATA, R., CLARK, N.N., LYONS, D.W., PALMER, G.M., LONG, T.R., HOWELL, A., LOTH, J., RAPP, B.L. and WANG, W., “The First Transportable Heavy Duty Vehicle Emissions Testing Laboratory”, 1991 SAE Transactions: Journal of Commercial Vehicles, Vol. 100, 1991, pp. 433-440. 1992 CLARK, N.N., MAEDER, A.J. and REILLY, S., “Data Scatter in Richardson Plots”, Particle Characterization, Vol. 9, 1992, pp. 9-18. CLARK, N.N., SEISS, R. and TURTON, R., “Probe Measurements in Gas-Liquid, Gas-Slurry and Three Phase Systems”, Flow Measurement and Instrumentation, Vol. 3, No. 1, 1992, pp. 9-16. STILES, R. and CLARK, N.N., “Accounting for the Effect of Turbulent Flow in Large Bore Fluidized Bed Pressure Probes”, Flow Measurement and Instrumentation, Vol. 3, No. 1, 1992, pp. 17-24. GAUTAM, M., NUSSEAR, D.L., GUANG, G-H., CLARK, N.N., and WALLACE, W.E., “Mutagenicity of Diesel Exhaust Particulate Matter in Mining Operations”, Jour. of Environmental Science & Health, Vol. A28, 1992, No. 3. CLARK, N.N. and ATKINSON, C.M., Book Review “Bubble Wake Dynamics in Liquids and Liquid-Solid Suspensions by L-S. Fan and K. Tsuchiya”, Applied Mechanics Reviews, Vol. 45, 1992, pp. B127. WANG, W.G., PALMER, G.M., BATA, R.M., CLARK, N.N., GAUTAM, M. and LYONS, D.W., “Determination of Heavy Duty Vehicle Energy Consumption by a Chassis Dynamometer”, SAE Transactions, Journal of Commercial Vehicles, Vol. 101, 1992, pp. 687-696. (This is also reported as a conference paper, 1992.) WANG, W.G., BATA, R.M., LYONS, D.W., CLARK, N.N., PALMER, G.M., GAUTAM, M., HOWELL, A.D. and RAPP, B.L., ”Transient Response in a Dynamometer Power Absorption System”, SAE Transactions, Journal of Commercial Vehicles, Vol.101, 1992, pp. 42-50. (This is also reported as a conference paper, 1992.) 1993 WAYNE, W.S., CLARK, N.N., TURTON, R. and GAUTAM, M., “Pressure Field Measurement in a Bubbling Fluid Bed”, Powder Technology, Vol. 76, No. 3, 1993, pp. 331-336. FLEMMER, R.L.C., PICKETT, J. and CLARK, N.N., “An Experimental Study on the Effect of Particle Shape on Fluidization Behavior”, Powder Technology, Vol.77, No.2, 1993, pp.123-133. 1994 KARAMAVRUC, A.-I., CLARK, N.N., and McKAIN, D.L, “A Deduction of Fluid Bed Heat Transfer Coefficients Using One and Two Dimensional Analyses”, Powder Technology, Vol. 80, No. 1, 1994, pp. 83-91. WANG, W., GAUTAM, M., SUN, X., BATA, R., CLARK, N.N., PALMER, G.M., and LYONS, D.W., “Emission Comparisons of Twenty-Six Heavy Duty Vehicles Operated on Conventional and Alternative Fuels”, SAE Transactions, Jour. of Commercial Vehicles, Vol. 102, Section 2, 1994, pp. 31-40. McKAIN, D.L., CLARK, N.N., ATKINSON, C.M. and TURTON, R., “Correlating Local Tube Surface Heat Transfer with Bubble Presence in a Fluidized Bed”, Powder Technology, Vol. 79, No. 1, 1994, pp. 69-79. McKAIN, D.L., CLARK, N.N., and GANSER, G., “Experimental Investigation of Slugging Using Image Analysis”, Particulate Science and Technology, Vol. 12, No. 1, 1994, pp. 13-20. 1995 CLARK, N.N., and McKAIN, D.L., “Transient Chassis Cycles for Heavy Duty Trucks and Tractors”, Int. Jour. of Vehicle Design (Heavy Vehicle Systems), Vol. 2, No. 2, 1995, pp. 143-159. CLARK, N.N., GAUTAM, M., BATA, R.M., LOTH, J., PALMER, G.M., WANG, W.G., and LYONS, D.W., “Design and Operation of a New Transportable Laboratory for Emissions Testing of Heavy Duty Trucks and Buses”, International Jour. of Vehicle Design (Heavy Vehicle Systems), Vol. 2, Nos. 3/4, 1995, pp. 285-299. KARAMAVRUC, A.-I., CLARK, N.N. and CELIK, I., “Numerical Uncertainty in Heat Conduction Calculations”, Proc. Inst. Mech. Engrs., Vol. 209, 1995, pp. 323-336. LIU, W-D. and CLARK, N.N., “Relationships Between Distributions of Chord Lengths and Distributions of Bubble Sizes Including Their Statistical Parameters”, Int. Jour. Multiphase Flow, Vol. 21, No. 6, 1995, pp. 1073-1089. KARAMAVRUC, A.-I., CLARK, N.N., and HALOW, J.S., “Application Of Mutual Information Theory To Fluid Bed Temperature and Differential Pressure Signal Analysis”, Powder Technology, Vol. 84, 1995, pp. 247-257. SUNDERESAN, S.R. and CLARK, N.N., “Local Heat Transfer Coefficients on the Circumference of a Tube in a Gas Fluidized Bed”, International Journal of Multiphase Flow, Vol. 21, No. 6, 1995, pp. 1003-1024. CLARK, N.N., Book Review of “Cavitation and Bubble Dynamics”by C.E. Brennen, Applied Mechanics Reviews, Vol. 48, No. 10, 1995, pp. B146. CLARK, N.N. and REILLY, S., “Template Matching, for Particle Shape Description”, Particulate Science and Technology, Vol. 13, No.2, 1995, pp. 69-83. WANG, W., LYONS, D.W., BATA, R., CLARK, N.N. and GAUTAM, M., “In-Use Emissions Tests of Alternatively Fueled Heavy-duty Vehicles with a Transportable Chassis Dynamometer”, Proc. Inst. Mech. Engrs., Part D., Journal of Automobile Engineering, England, Vol. 209, 1995. 1996 KARAMAVRUC, A.I., CLARK, N.N. and GANSER, G., “Modeling of the Transient Heat Transfer across a Heat Transfer Tube in a Bubbling Fluidized Bed”, ASME Jour. Heat Transfer, Vol. 118, 1996, pp. 258-261. KARAMAVRUC, A.-I. and CLARK, N.N., “A Correction factor for One-Dimensional Heat Transfer Coefficients Around a Horizontal Tube in a Fluidized Bed”, Powder Technology, Vol. 86, No. 2, 1996, pp. 209-217. CLARK, N.N., LIU, W-D, and TURTON, R., “Interpretation Techniques for Inferring Bubble Size Distribution from Probe Signals in Fluidized Bed Systems”, Powder Technology, Vol. 88 No. 2, 1996, pp. 179-188. KARAMAVRUC, A.I. and CLARK, N.N., “Application of Deterministic Chaos Theory to Local Instantaneous Temperature, Pressure, and Heat Transfer Coefficient in a Gas-Fluidized Bed”, ASME Journal of Energy Resources Technology, Vol. 118, No.3, 1996, pp. 214-220. LIU, W-D., CLARK, N.N. and KARAMAVRUC, A.I., “A General Method for the Transformation of Chord Length Data to a Local Bubble Size Distribution”, A.I.Ch.E. Journal, Vol.42, No. 10, 1996, pp. 2713-2720. 1997 KARAMAVRUC, A.I., and CLARK, N.N., “Local Differential Pressure Analysis in a Slugging Bed using Deterministic Chaos Theory”, Chemical Engineering Science, Vol. 52, No. 3, 1997, pp. 357-370. CLARK, N.N. and KARAMAVRUC, A.I., “Effect of Transducer Diaphragm Movement on Pressure Probe Measurements”, Chemical Engineering Science, Vol. 52, No. 8, 1997, pp. 1301-1306. CLARK, N.N. and KARAMAVRUC, A.I., “A Fractal Approach for Interpretation of the Local Instantaneous Temperature Signals around a Horizontal Heat Transfer Tube in a Fluidized Bed”, Powder Technology, Vol. 90, 1997, pp. 235-244. CLARK, N.N., Book Review of “Cryogenic Two-Phase Flow: Applications to Large Scale Systems”, Applied Mechanics Reviews, Vol. 50, No. 1, 1997, pp. B9. BENAVIDES, F., TURTON, R. and CLARK, N.N., “The Design of Dense Fluidized Beds Subject to Uneven Slumping”, Powder Technology, Vol. 92, 1997, pp. 275-279. WANG, W.G., CLARK, N.N., LYONS, D.W., YANG, R.M., GAUTAM, M., BATA, R.M., and LOTH, J.L., “Emissions Comparisons from Alternative Fuel Buses and Diesel Buses with a Chassis Dynamometer Testing Facility”, Environmental Science & Technology, Vol. 31, 1997, pp. 3132-3137. 1998 LIU, W.D., CLARK, N.N., and KARAMAVRUC, A.I., “Relationship between Bubble Size Distributions and Chord Length Distribution in Heterogeneously Bubbling Systems”, Chemical Engineering Science, Vol. 53, No. 6, 1998, pp. 1267-1276. CLARK, N.N., GAUTAM,M., LYONS, D.W., BATA, R.M., WANG, W.G., NORTON, P. and CHANDLER, K., “Natural Gas and Diesel Transit Bus Emissions: Review & Recent Data”, SAE Transactions, Journal of Commercial Vehicles , Vol. 106, Section 2, 1998, pp. 487-496. (also reported as a conference paper) 1999 THOMPSON, G.J., CLARK, N.N. and SMITH, J.E., “Structural Design of a Probe System for a High Temperature Pressurized Fluidized Bed Combustor”, Proc. Instn. Mech. Engrs., Vol. 213, Part A, pp. 227-231. CLARK, N.N., JARRETT, R.P. and ATKINSON, C.M., “Field Measurements of Particulate Matter Emissions and Exhaust Opacity from Heavy Duty Vehicles”, Journal of the Air & Waste Management Assoc., Vol. 49, 1999, pp. 76-84. McKAIN, D.L., CLARK, N.N., McDANIEL, T.I., and HOPPIE, J., “Chassis Test Cycle Development for Engine Test Compliance on Heavy Duty Engines”, 1998 SAE Transations, Journal of Fuels & Lubricants, Vol. 107, pp. 84-93 (printed in 1999) (also reported as a conference paper). WAYNE, W.S., CLARK, N.N. and ATKINSON, C.M., “A Parametric Study of Knock Control Strategies for a Bi-Fuel Engine”, 1998 SAE Transations, Journal of Engines (printed in 1999) Vol. 3, pp. 1387-1393. RAMAMURTHY, R. and CLARK, N.N., “Atmospheric Emissions Inventory Data for Heavy Duty Vehicles”, Environmental Science & Technology, Vol. 33, pp. 55-62, 1999 CLARK, N.N. and LYONS, D.W., “Class 8 Truck Emissions Testing: Effects of Test Cycles
and Data on Biodiesel Operation”, Transactions of the American Society of Agricultural
Engineers, Vol. 42, No. 5, 1999, pp.1211-1219. WIMMER, R.R., FLETCHER, J., CLARK, N.N., McKAIN, D.L., and LYONS, D.W., “Emissions Testing of a Hybrid Fuel Cell Bus”, 1998 SAE Transactions , Journal of Fuels & Lubricants, Vol. 107, pp. 367-376, (printed in 1999) (also reported as a conference paper). CLARK, N.N., RAPP, B.L., GAUTAM, M., WANG, W.G., and LYONS, D.W., “A Long Term Field Emissions Study of Natural Gas Fueled Refuse Haulers in New York City”, 1998 SAE Transactions , Journal of Fuels & Lubricants, Vol. 107, pp. 961-972, (printed in 1999) (also reported as a conference paper). CAWTHORNE, W.R., FAMOURI, P., CHEN, J., CLARK, N.N., McDANIEL, T.I., ATKINSON, R.J., NANDKUMAR, S., ATKINSON, C.M. and PETREANU, S., “Development of a Linear Alternator-Engine for Hybrid Electric Vehicle Applications”, IEEE Transactions on Vehicular Technology, Vol. 48, No. 6, pp. 1797-1802. NINE, R.D., CLARK, N.N., DALEY, J.J. and ATKINSON, C.M., “Development of a heavy-duty chassis dynamometer driving route”, Proc. Inst. Mech. Engrs. Part D., Jour. of Automobile Eng., Vol. 213 pp. 561-574. 2000 NORTON, P., CLARK, N.N., LYONS, D.W., GAUTAM, M., GOGUEN, S.P., and EBERHARDT, J. “Emissions
from Buses with DDC 6V92 Engines using Synthetic Diesel Fuel”, 1999 SAE Transactions,
Jour. of Fuels & Lubricants, Vol. 108, pp. 1046-1054 (Printed in 2000) (Also reported
as a Conference Paper) THOMPSON, G.J., ATKINSON, C.M., CLARK, N.N., LONG, T.W. and HANZEVACK, E., “Neural Network Modeling of the Emissions and Performance of a Heavy-Duty Diesel Engine”, Proc. Inst. Mech. Engrs., Part D, Vol. 214, pp. 111-126. CLARK, N.N., ATKINSON, C.M., THOMPSON, G.J., and NINE, R.D., “Transient Emissions Comparisons of Alternative Compression Ignition Fuels”, 1999 SAE Transactions, Jour. of Fuels & Lubricants, Vol. 108, pp. 468-482 (Printed in 2000) (Also reported as a Conference Paper) CLARK, N.N., GAUTAM, M., RAPP, B.L., LYONS, D.W., GRABOSKI, M.S., McCORMICK, R.L., ALLEMAN, T.L. and NORTON, P., “Transit Bus Emissions Characterization by Two Chassis Dynamometer Laboratories: Results and Issues”, 1999 SAE Transactions, Jour. of Fuels & Lubricants, Vol. 108, pp. 801-812 (Printed in 2000) (Also reported as a Conference Paper) CLARK, N.N., Book Review of “Fluid Dynamics and Transport of Droplets and Sprays”, by William A. Sirignano. Applied Mechanics Reviews, Vol. 53, No. 3, pp. B24-B25 WANG, W.G., LYONS, D.W., CLARK, N.N. and GAUTAM, M., “Emissions from Nine Heavy Duty trucks Fueled by Diesel and Biodiesel without Engine Modification.”, Environmental Science & Technology, Vol. 34, pp. 933-939. 2001 CLARK, N.N., Book Review of “Physics of Foams”, by D. Weaire & S. Hutzler, Applied Mechanics Reviews, Vol. 54, No. 1, pp. B14-B15 JARRETT, R.P., CLARK, N.N., GILBERT, M. and RAMAMURTHY, R., Evaluation and Correction of Moisture Adsorption and Desorption From A Tapered Element Oscillating Microbalance, Powder Technology, Vol. 119, pp. 215-228. NINE, R.D., CLARK, N.N., MACE, B.E., MORRISON, R.W., REMCHO, V.T., LOWE, P.C. and McLAUGHLIN, L.W., “Use of Soy-Derived Fuel for Environmental Impact Reduction in Marine Engine Applications”, Transactions of the American Society of Agricultural Engineers, Vol. 43, No. 6, pp. 1383-1391. CLARK, N.N. and McKAIN, D.L., “A Chassis Test Procedure to Mimic the Heavy Duty Engine Transient Emissions Certification Test”, Journal of the Air & Waste Management Assoc., Vol. 51, pp. 432-442. NINE, R.D., CLARK, N.N., and NORTON, P. “Effects of Multiple Driving Test Schedules Performed on Two Heavy-Duty Vehicles”, SAE Transactions, Journal of Fuels & Lubricants 2000, (printed in 2001) Vol.109, pp. 2387-2397 (Also reported as a conference paper) CLARK, N.N., PRUCZ, J., GAUTAM, M. and LYONS, D.W., “The West Virginia University
Heavy Duty Vehicle Emissions Database as a Resource for Inventory and Comparative Studies”,
SAE Transactions, Journal of Fuels & Lubricants 2000, (printed in 2001) Vol.109, pp.
2587-2604 (Also reported as a conference paper) PRUCZ, J.C., CLARK, N.N., GAUTAM, M., and LYONS, D.W., “Exhaust Emissions from Engines of the Detroit Diesel Corporation in Transit Buses: A Decade of Trends”, Environmental Science & Technology, 2001, Vol. 35, 1755-1764. 2002 KERN, J., CLARK, N.N., NINE, R. and ATKINSON, C.M., “Factors Affecting Heavy-Duty Diesel Vehicle Emissions”, Jour. of the Air & Waste Management Assoc., Vol. 52, pp. 84-94, 2002. GILBERT, M.S. and CLARK, N.N., “Measurement of Particulate Matter from Diesel Engine Exhaust using a Tapered Element Oscillating Microbalance”, International Journal of Engine Research, Vol. 2, No. 4, pp. 277-287 CLARK, N.N., AZU, A., JARRETT, R., BALON, T., MOYNIHAN, P., LYNCH, S. and WEBB, T., “Operating Envelopes of Hybrid Bus Engines,” SAE Transactions 2001, Journal of Engines Vol. 110, Section 3, pp. 2214-2225 (Printed in 2002) (Also reported as a conference paper) CLARK, N.N., Book Review of “Motion of Bubbles & drops in Reduced Gravity”, Applied Mechanics Reviews, Vol 55, No. 3, p. B56, 2002 CLARK, N.N. and JARRETT, R, “Evaluation of Methods for Determining Continuous Particulate Matter from Transient Testing of Heavy Duty Diesel Engines” SAE Transactions 2001, Journal of Fuels & Lubricants, Vol. 110, Section 4, pp. 1938-1947 (Printed in 2002) (Also reported as a conference paper) GANESAN, B., and CLARK, N.N., “Relationships between Instantaneous and Measured Emissions in Heavy Duty Applications”, SAE Transactions 2001, Journal of Fuels and Lubricants Vol. 110, Section 4, pp. 1798-1806 (Printed in 2002) (Also reported as a conference paper) GAUTAM, M., THOMPSON, G.J., CARDER, D.K., CLARK, N.N., SHADE, B.C., and LYONS, “Measurement of In-Use, On-Board Emissions from Heavy-Duty Vehicles: Mobile Emissions Measurement System,” SAE Transactions 2001, Journal of Fuels & Lubricants Vol. 110, Section 4, pp. 2256–2269 (Printed in 2002) (Also reported as a conference paper) 2003 & PENDING GAJENDRAN, P. and CLARK, N.N., “Effect of Truck Operating Weight on Heavy Duty Diesel Emissions,” Environmental Science & Technology, in press. TAYLOR, S.T., CLARK, N.N., GAUTAM, M., and WAYNE, W.S. “Diesel Emissions Prediction from Dissimilar Cycle Scaling” Journal of Automobile Engineering, in press. LETAVEC, C., UIHLIEN, J., VERTIN, K., CHATTERJEE, S., HALLSTROM, K., WAYNE, W.S., CLARK, N.N., LYONS, D.W., CHANDLER, K. and COBURN, T., “Year-long Evaluation of Trucks and Buses Equipped with Passive Diesel Particle Filters”, 2002 SAE Transactions: Journal of Fuels & Lubricants Vol. 111 pp. 242-266 (printed in 2003) (also reported as a conference paper). THOMPSON, G.J., CLARK, N.N., GAUTAM, M., CARDER, D.K. and LYONS, D.W., “Inference of Torque and Power from Heavy-Duty Diesel Engines for On-Road Emissions Monitoring”, 2002 SAE Transactions: Journal of Fuels & Lubricants Vol. 111 pp. 279-285 (printed in 2003) (also reported as a conference paper). CLARK, N.N., GAJENDRAN, P. and KERN, J.M., “A Predictive Tool for Emissions from Heavy-Duty Diesel Vehicles,” Environmental Science & Technology, Vol. 37, No. 1, pp. 7-15, 2003 SHOUKRY, E., CLARK, N.N., TAYLOR, S. and FAMOURI, P., “Numerical Simulation for Parametric Study of a Two-Stroke Direct Injection Linear Engine”, 2002 SAE Transactions: Journal of Engines Vol. 111 pp. 2297-2308 (printed in 2003) (also reported as a conference paper). GAUTAM, M., CLARK, N.N., RIDDLE, W., NINE, R., WAYNE, W.S., MALDONADO, H., AGRAWAL, A. and CARLOCK, M, “Development and Initial Use of a Heavy Duty Diesel Truck Test Schedule for Emissions Characterization”, 2002 SAE Transactions: Journal of Fuels & Lubricants Vol. 111 pp. 812-825 (printed in 2003) (also reported as a conference paper). GAUTAM, M., RIDDLE, W.C., THOMPSON, G.J., CARDER, D.K., CLARK, N.N. and LYONS, D.W., “Measurement of Brake-specific NOx Emissions using Zirconia Sensors for In-use, On-board Heavy-duty Vehicle Applications.”, 2002 SAE Transactions: Journal of Fuels & Lubricants Vol. 111 pp. 825-841 (printed in 2003) (also reported as a conference paper). KAMEL, M., LYFORD-PIKE, E., FRAILEY, M., BOLIN, M., CLARK, N.N, NINE, R.D. and WAYNE, W.S., "An Emission and Performance Comparison of the Natural Gas Cummins Westport Inc. C-Gas Plus versus Diesel in Heavy-Duty Trucks", 2002 SAE Transactions: Journal of Fuels & Lubricants Vol. 111 pp. 1409-1421 (printed in 2003) (also reported as a conference paper). LEV-ON, M., LETAVEC, C, UIHLEIN, J., KIMURA, K., ALLEMAN, T., LAWSON, D., VERTIN, K.,
THOMPSON, G., CLARK, N.N., GAUTAM, M., WAYNE, W.S., OKAMOTO, R., RIEGER, P., YEE, G., ZIELINSKA,
B., SAGEBEIL, J., CHATTERJEE, S., and HALLSTROM, K., “Speciation of Organic Compounds
from the Exhaust of Trucks and Buses: Effect of Fuel and After-treatment on Vehicle Profiles,” 2002
SAE Transactions, Journal of Fuels & Lubricants Vol. 111 pp. 1948-1973 (Printed in
2003) (Also reported as a conference paper). JARRETT, R. and CLARK, N.N., “Weighting of Parameters in Artificial Neural Network Prediction of Heavy-Duty Diesel Engine Emissions,” SAE Powertrain & Fluid Systems Conference, 2002 SAE Transactions: Journal of Fuels & Lubricants Vol. 111 pp. 1974-1983 (printed in 2003) (also reported as a conference paper). CLARK, N.N., GAUTAM, M., RIDDLE, W., NINE, R.D., and WAYNE, W.S., “Examination of a Heavy-Duty Diesel Truck Chassis Dynamometer Schedule,” Pending Submission. GANESAN, B., CLARK, N.N. and ARAVELLI, A., “Delay and Diffusion in Transient Engine Test Cell NOx Measurement Systems,” Submitted to Journal of Engine Research CLARK, N.N., GAUTAM, M., WAYNE, W.S., NINE, R.D. and MALDONADO, H., “Effect of Repair on Emissions from Heavy Heavy-Duty Diesel Trucks,” Environmental Science and Technology, Awaiting sponsor approval for submission. ARAVELLI, A., CLARK, N.N. and TEHRANIAN, A., “Backward Transformation Techniques for NOx Emissions Prediction from Heavy-Duty Diesel Engines,” Submitted to Journal of Engine Research. Patents “Axial Vane Rotary Device and Sealing System Therefore,” United States Patent
Number 5,429,084, July 4, 1995. (with G. Thompson, J. Smith, V. Mucino, P. Badgley and
B. Cherry). “Axial Vane Rotary Device and Sealing System Therefore,” United States Patent
Number 5,551,853, September 3, 1996. (with G. Thompson, J. Smith, V. Mucino, P. Badgley
and B. Cherry). Conference Proceedings and Presentations CLARK, N.N., FLEMMER, R.L.C., and MELOY, T.P., “Air-Lift Pumps for Hydraulic Transport of Solids”, Proceedings of Technical Program, 9th Powder and Bulk Solids Conference, Rosemont, Illinois, 1984, pp 446 456. MELOY, T.P., CLARK, N.N. and DURNEY, T.E., “The Sieve Cascadograph -An Instrument for the Measurement of Particle Shape Distribution”, Proceedings of the Technical Program, 9th Powder and Bulk Solids Conference, Rosemont, Illinois, 1984, pp 488 496. MELOY, T.P. and CLARK, N.N., “Corners, Edges and Surface Area - Size Distribution During Comminution”, Proceedings of the Technical Program, 9th Powder and Bulk Solids Conference, Rosemont, Illinois, 1984, pp. 510 520. FLEMMER, R.L.C. and CLARK, N.N., “A Technique for Synchronizing Valves and Determining Bubble Rise Velocities in Two-Phase Flow”, A.S.M.E. Winter Meeting, New Orleans, December 1984. (ASME Paper 84 WA FE 11). MELOY, T.P., PITCHUMANI, B., DURNEY, T.E. and CLARK, N.N., “Particle Shape Characterization Using the Sieve Cascadograph”, All India Conf. on Cement and Allied Building Materials, New Delhi, January 1984. CLARK, N.N., DURNEY, T.E. and MELOY, T.P., “The Effect of Particle Shape on the Process of Sieving”, 15th Annual Meeting of Fine Particle Society, Orlando, July 1984, Abstracts, pp. 73. MELOY, T.P. and CLARK, N.N., “Liberation of Target Material from Locked Particles: A Theoretical Analysis", 15th Annual Meeting of Fine Particle Society, Orlando, July 1984, Abstracts, pp. 16. CLARK, N.N., FLEMMER, R.L.C. and MELOY, T.P., “Hydraulic Transport of Abrasive Solids: The Air-Lift Pump”, 15th Annual Meeting of Fine Particle Society, Orlando, July 1984, Abstracts p.p 112. 1985 MELOY, T.P. and CLARK, N.N., “Analysis of Particle Edge Angularity using a Delta Algorithm”, Condensed proceedings 16th Annual Fine Particle Society Meeting, Miami Beach, pp. 50 11 to 50 14, 1985. MELOY, T.P. and CLARK, N.N., “A Critical Comparison of Particle Shape Analysis Techniques”, Condensed proceedings, 16th Annual Fine Particle Society Meeting, Miami Beach, pp. 50 5 to 50 7, 1985. CLARK, N.N., DURNEY, T.E., HSIEH, H.P. and MELOY, T.P., “Preliminary Results from an Automated Sieve Cascadograph”, Condensed proceedings 16th Annual Fine Particle Society Meeting, Miami Beach, pp. 50 17 to 50 20, 1985. MELOY, T.P. and CLARK, N.N., “Theoretical Study of Locked Particle Comminution”, XVth International Mineral Processing Congress, Cannes, 1985, Proceedings pp. 12 19. CLARK, N.N., DURNEY, T.E. and MELOY, T.P., “Measuring the Particle Shape Distribution in Powders”, XVth International Mineral Processing Congress, Cannes, 1985, Proceedings pp. 59 66. MELOY, T.P. and CLARK, N.N., “Choosing Optimum Particle Shape Analysis Techniques”, Proceedings, 10th Powder and Bulk Solids Conference, Rosemont, Illinois, 1985, pp. 96 101. MELOY, T.P. and CLARK, N.N., “Measuring the Surface Roughness of Particles Using Delta Analysis”, Proceedings 10th Powder and Bulk Solids Conference, Rosemont, Illinois, 1985, pp. 102 110. DABOLT, R.J. and CLARK, N.N., “Pumping Radioactive Slurries by Air Lift”, Proceedings, 10th Powder and Bulk Solids Conference, Rosemont, Illinois, 1985, pp. 779 788. MELOY, T.P., DURNEY, T.E. and CLARK, N.N., “Sieve Sizing: Predicting the Optimum Sieving Time from Fundamental Sieving Theory”, Proceedings, 10th Powder and Bulk Solids Conference, Rosemont, Illinois, 1985, pp. 655 662. CLARK, N.N. and MELOY, T.P., “Mixing of Slurries Using Submerged, Air-Sparged Draft Tubes: Predicting the Flow Velocity in the Tube”, Proceedings, 10th Powder and Bulk Solids Conference, Rosemont, Illinois, 1985, pp. 140 145. CLARK, N.N., “Pumping Toxic and Radioactive Fluids with Air Lifts”, International Conference on New Frontiers For Hazardous Waste Management, Pittsburgh, September 1985, Proceedings (EPA publication 600/9 85/025) pp. 426 432. 1986 MELOY, T.P. and CLARK, N.N., “Shape Characterization of Angular Particles Related to Their Behavior”, 1st World Congress on Particle Technology (Partikel Technologie Nurnberg), March 1986, Published in proceedings, pp. 93 103. MELOY, T.P. and CLARK, N.N., “Modern Particle Shape Analysis: Its Meaning, Relevance and Problems”, Arbiter Memorial Symposium at the A.I.M.E. Annual Meeting, New Orleans, February 1986. Published by SME-AIME as a chapter in Advances in Mineral Processing, P. Somasundarin, editor. ATKINSON, C.M., FLEMMER, R.L.C. and CLARK, N.N., “A Gas Sampling Probe for High-Temperature Fluidized Beds”, 11th Powder and Bulk Solids Conference, Rosemont, Illinois, May 1986, Proceedings, pp. 444 454. CLARK, N.N., BOCOUM, B and MELOY, T.P., “Digital Implementation of Fractal Analysis”, 11th Powder and Bulk Solid Conference, Rosemont, Illinois, May 1986, Proceedings, pp. 563 570. CLARK, N.N., MELOY, T.P., MURALI, C. and PITCHUMANI, B., “Separation of Particle Shapes by Combination of Sieving and Settling”, 11th Powder and Bulk Solids Conference, Rosemont, Illinois, May 1986, Proceedings, pp. 310 318. ATKINSON, C.M. and CLARK, N.N., “Analysis of Fluidized Bed Behavior using Probes”, 11th Powder and Bulk Solids Conference, Rosemont, Illinois, May 1986, Proceedings, pp. 437 443. MELOY, T.P., FERRARA, G., PRETI, U. and CLARK, N.N., “Liberation -- Theorems derived from the Homogenous Comminution Model”, 11th Powder and Bulk Solids Conference, Rosemont, Illinois, May 1986, Proceedings, pp. 571 577. MELOY, T.P. and CLARK, N.N., “Automation of the Sieve Cascadograph using an Accurate Optical Particle Counter and Computer”, 11th Powder and Bulk Solids Conference, Rosemont, Illinois, May 1986, Proceedings, pp. 275 280. MELOY, T.P. and CLARK, N.N., “Fourier Analysis: A Computer Based Technique for Particle Shape Characterization”, Conference on Computers in the Coal Industry, Morgantown, WV, June 1986, Proceedings, pp. 309 319. CLARK, N.N., DIAMOND, H., GELLES, G. and MELOY, T.P., “Fractal Analysis and Fractal Harmonics: New Methods for Mine Dust Shape Measurement”, Conference on Computers in the Coal Industry, Morgantown, WV, June 1986, Proceedings, pp. 323 327 CLARK, N.N. and ATKINSON, C.M., “An Intelligent Gas Sampling Probe for Fluidized Beds: Preliminary Cold Bed Studies”, Fine Particle Society Meeting, San Francisco, July 1986. CLARK, N.N., ATKINSON, C.M. and FLEMMER, R.L.C., “Predicting Circulation or Gulfstreaming in Vessels without Baffles or Draft Tubes”, Fine Particle Society Meeting, San Francisco, July 1986. CLARK, N.N., MELOY, T.P., DIAMOND, H. and GELLES, G., “Fractal Harmonics found using a Hand and Dividers Technique”, Fine Particle Society Meeting, San Francisco, July 1986. GANSER, G. and CLARK, N.N., “Theoretical Analysis of a Voidage Discontinuity in a One Dimensional Fluidized Bed”, Fine Particle Society Meeting, San Francisco, July 1986. MELOY, T.P., FERRARA, G., PRETI, U. and CLARK, N.N., “Frequency Profiles for Randomly Oriented Angular Locked Particles”, Fine Particle Society Meeting, San Francisco, July 1986. 1987 FLEMMER, R.L.C., BANKS, C. and CLARK, N.N., “Interphase Drag Coefficients in Fluidized Beds”, 12th Powder and Bulk Solids Conference, Rosemont, Illinois, 1987, Proceedings pp. 73 77. CLARK, N.N., VAN EGMOND, J., HURTER, P. and MELOY, T.P., “Fractal Harmonics for Particle Shape Description”, 12th Powder and Bulk Solids Conference, Rosemont, Illinois, 1987, Proceedings pp. 536 540. CLARK, N.N., “Measuring Bubble Size Distributions in Multiphase Systems: Geometric Considerations”, 12th Powder and Bulk Solids Conference, Rosemont, Illinois, 1987, Proceedings, pp. 87 92. FLEMMER, R.L.C. and CLARK, N.N., “Computer-based Algorithms for Fractal Analysis of Surfaces”, 12th Powder and Bulk Solids Conference, Rosemont, Illinois, 1987, Proceedings, pp. 541 548. CLARK, N.N., “Explaining Pressure Loss and Holdup with a Circulation Model for Low Velocity Vertical Two-Phase Flows”, 1987 American Society of Civil Engineers (Engineering Mechanics Division) Conference, Buffalo, N.Y., Abstracts pp. 286. LEE, K.Y., CLARK, N.N., GEORGE, A., PETRUCCI, V. and SMITH, J.E., “Thermodynamic Implications of the Stiller-Smith Mechanism”, Society of Automotive Engineers, Annual Meeting, Detroit, Michigan, February 1987, SAE Paper 870615. CLARK, N.N., TURTON, R. and FLEMMER, R.L.C., “The Effect of Particle Shape on Fluidization and Fluid-Particle Interactions: A Review”, l7th Annual Fine Particle Society Meeting, Boston, August 1987. TURTON, R, CLARK, N.N. and LEVENSPIEL, O., “Recycle of Gas in a Fluidized Bed by Withdrawal of Gas From Bubbles: The Bubble Eater”, 17th Annual Fine Particle Society Meeting, Boston, August 1987. CLARK, N.N., “Non-Classical Macroscopic Particle Shape Descriptors”, 17th Annual Fine Particle Society Meeting, Boston, August 1987. CLARK, N.N., LEE, K.Y., GEORGE, A., SICKLES, P., CHURCHILL, R., McKISIC, A.D., MESSENGER, S.E., HURTER P., VAN EGMOND, J. and SMITH, J.E., “The Influence of Sinusoidal Piston Motion on Thermal Efficiency of Engines”, Society of Automotive Engineers Conference, Dearborn, MI, 1987. SAE 871916. CLARK, N.N., “Vertical Flows and Circulation”, Massachusetts Institute of Technology Fluid Mechanics Seminar, Invited Seminar Presentation, 1987. SMITH, J.E., STILLER, A., CLARK, N.N. and CRAVEN, R., “Potential Applications of the Stiller-Smith Mechanism”, SAE Paper 871225, 1987. 1988 CLARK, N.N., “Void Fraction Measurement in Gas-Liquid Systems”, American Soc. Civil Engrs. Eng. Mechanics Division Conf., Blacksburg, Virginia, May 1988 - Abstracts pp. 60. SMITH, J.E., CLARK, N.N., STILLER, A., CHURCHILL, R. and McKISIC, A.D., “Potential Applications of the Stiller-Smithe Mechanism in Internal Combustion Engine Designs”, Proc. International Pacific Coast Conf. SAE, Australia, 1988. TURTON, R. and CLARK, N.N., “Drag Coefficient and Terminal Velocity of Single Particles”, Powder and Bulk Solids Conf., Rosemont, Ill., May 1988, Proceedings pp. 99 106. CLARK, N.N., TURTON, R. and MILLER, L., “A Practical Review of Fluidized Bed Distributor Design”, Powder and Bulk Solids Conf., Rosemont, Ill., May 1988, Proceedings pp. 107 114. TURTON, R., and CLARK, N.N., “Predicting the Response of Pressure Probes in Pneumatic Conveying and Fluidized Beds”, Powder and Bulk Solids Conf., Rosemont, Ill., May 1988, Proceedings, pp. 341 350. CLARK, N.N. and TURTON, R., “Measuring Bubble Parameters with Differential Pressure Probes in Fluidized Beds”, Fine Particle Society Meeting, Santa Clara, 1988. COX, J., KINCAID, K., TURTON, R. and CLARK, N.N., “Effect of Surface Roughness on the Drag on Spheres”, Fine Particle Society Meeting, Santa Clara, 1988. CLARK, N.N., SEISS, R.A. and TURTON, R., “Inferring Bubble Size Distributions from Resistance Probe Measurements in Gas-Liquid, Gas-Slurry, and Three Phase Systems”, 3rd International Symposium on Liquid-Solid Flows, Chicago, 1988, ASME Winter Annual Meeting. ASME Pub. FED-Vol. 75, pp. 181 188. LEE, K.Y., GEORGE, A., CLARK, N.N. and SMITH, J.E., “Analysis of Heat Release Rate in the Stiller-Smith Engine”, 1988 ASME Design Technology Conference (20th Biennial Mechanisms Conf.), Orlando, Florida, 1988. 1989 GEORGE, A., CLARK, N.N., SMITH, J.E. and COX, J., “Experimental Investigation of the Heat Release Rate in a Sinusoidal Spark Ignition Engine”, SAE Congress, Detroit, 1989, SAE Paper 890778. (This is also reported as a journal paper, 1989.) CLARK, N.N., TURTON, R., MCKENZIE, E.A. and WANG, Y-Z., “Fluidized Bed Pressure Probes”, Dept. of Energy Advanced Research and Technology Development Contractors Review Meeting, Pittsburgh, Sept. 1989 (Poster Presentation and Published in Proceedings). CLARK, N.N., WANG, Y.Z., McKENZIE, E.A. and TURTON, R., “Fluidized Bed Instrumentation Using Pressure Probes”, ASME 10th Conf. on Fluidized Bed Combustion, May 1989, Proceedings, pp. 1295-1300. CLARK, N.N., TURTON, R. and ZONDLO, J., “Monitoring Fluidized Bed Heat Transfer Tube Erosion with Instrumented Tubes”, Powder and Bulk Solids Conference, Rosemont, Illinois, 1989, pp. 151 159. CLARK, N.N., GABRIELE, P., R. and SHUKER, S., “New Data on Shape and Particle Drag Coefficient”, Powder and Bulk Solids Conf., Rosemont, Illinois, 1989, pp. 166 176. TURTON, R., BAILIE, R.C. and CLARK, N.N., “Drag Correlations for Fluidized Bed and Pneumatic Conveyor Design”, Powder and Bulk Solids Conf., Rosemont, Illinois, 1989, pp. 438 448. CLARK, N.N., SHUKER, S., LONG, W. and PICKETT, J., “Computerized Implementation of Polygonal Harmonic Shape Analysis”, Powder and Bulk Solids Conf., Rosemont, Illinois, 1989, pp. 405 414. BOCOUM, B., MELOY, T.P., and CLARK, N.N., “Sieving Rates of Cylindrical Particles: Size and Shape Effects”, 4th European Symposium on Particle Characterization, Nurnberg, 1989. CLARK, N.N., McKENZIE, A.E., TURTON, R. and GAUTAM, M., “A Theoretical and Experimental Evaluation of Probe Data from a Slugging 6 inch Fluidized Bed”, Fine Particle Soc. Annual Meeting, Boston, Aug. 1989. CLARK, N.N., MEANS, K.H., SHUKER, S. and JAMES, R., “Relating Particle Shape and Three Body Wear” Fine Particle Soc. Annual Meeting, Boston, Aug 1989. CLARK, N.N. and NEBIOLO, E., “Circulation Results from an 8 inch Diameter Tall Bubble Column”, Fine Particle Soc. Meeting, Boston, Aug. 1989. KINCAID, K., CLARK, N.N., SMITH, J.E. and COX, J., “Ignition Delay Research at West Virginia University”, ASME Internal Combustion Engineering Div., Fall 1989 Conf., New Orleans. 1990 McKENZIE, E.A., CLARK, N.N., GAUTAM, M. and TURTON, R., “Slugging Frequency, Rise Velocity and Size with Air-Fluidized Nylon Spheres”, Powder & Bulk Solids Conference, Rosemont, IL.1990, Proceedings pp. 46 54 BRAGG, S., ZONDLO, J., TURTON, R. and CLARK, N.N., “Erosion Test Results from an Instrumented Cylinder in a Fluidized Bed”, 1990 Powder and Bulk Solids Conference, Rosemont, IL, Proceedings pp. 39 45. SHUKER, S., CLARK, N.N. and PICKETT, J., “Shape Characterization of Diverse Shapes using Six Different Image Analysis Approaches”, 1990 Powder and Bulk Solids Conference, Rosemont, IL, Proceedings pp. 423 433. NEBIOLO, E. and CLARK, N.N., “Resistance Probe Measurement of Void Distribution and Circulation Velocity in a Bubble Column”, A.I.Ch.E. Annual Congress, Chicago, 1990. CLARK, N.N., McGRATH, P.B., STILES, R., VELEGOL, D. et al., “General Motors Methanol Marathon: West Virginia University”, Society of Automotive Engineers Annual Congress, Detroit, February 1990. Appeared in SAE Special Publication. CRAVEN, K., CLARK, N.N., and SMITH, J.E., “Piston Motion and Ignition Delay: Details on Coal-based Fuel Injection and Effects of Mass Leakage”, SAE Annual Congress, Detroit, 1990. SAE Paper 900388. McKENZIE, E.A., CLARK, N.N., GAUTAM, M. and TURTON, R., “Analysis of Time-Varying Axial Pressure Gradients in a Slugging Fluidized Bed”, AIChE Annual Meeting, Chicago, 1990. CLARK, N.N., SHUKER, S. and PICKETT, J., “Recent Research On Particle Shape Characterization: Edge Roughness and Template Matching”, 1990 Fine Particle Society Meeting, San Diego. COX, J. and CLARK, N.N., “Variations in Kinetic Wavespeed Using Different Equations of State for Fluidized Beds”, 1990 Fine Particle Society Meeting, San Diego. THOMPSON, T. and CLARK, N.N., “A Unified Diagram to Predict the Drag Coefficient of Nonspherical Free Falling Particles”, 1990 Fine Particle Society Meeting, San Diego. STILES, R.D. and CLARK, N.N., “Effect of Turbulence on Pneumatic Pressure Probe Response”, 1990 Fine Particle Society Meeting, San Francisco. 1991 THOMPSON, T., CLARK, N.N. and TURTON, R., “Unified Diagrams for Prediction of Drag and Terminal Velocity”, 4th International Symposium on Gas-Solid Flows (ASME), Portland, Oregon, 1991. STILES, R.D. and CLARK, N.N., “Behavior of Pressure Probes used in Two Phase Flow Instrumentation”, 4th International Symposium on Gas-Solid Flows (ASME), Portland, Oregon, 1991. CLARK, N.N., MAEDER, A.J. and THOMPSON, T., “Endurance and Persistence of Polygonal Harmonics”, Powder and Bulk Solids Conf., Rosemont, 1991, Proceedings, pp. 39-44. MEANS, K.H., CLARK, N.N., JAMES, R. and THOMPSON, T., “Three Body Wear and Particle Shape”, Powder & Bulk Solids Conf., Rosemont, 1991, Proceedings, pp. 397-404. WAYNE, W.S. and CLARK, N.N., “Pressure Fields in a Bubbling Fluidized Bed”, Powder & Bulk Solids Conf., Rosemont, 1991, Proceedings, pp. 209-220. MAEDER, A.J. and CLARK, N.N., “Two-Dimensional Shape Characterization in Digital Images Using Polygonal Harmonic Analysis”, 6th Annual Conf. on Image Analysis and Processing, Como, Italy, 1991, p. 123-130 in Progress in Image Analysis and Processing II, (V. Cantoni et al., eds.). NUSSEAR, D.L., GAUTAM, M. and CLARK, N.N., “Measurement of Particle Emissions for Mutagenicity assays using a Mini-Dilution Tunnel”, ASME ICE Division Conf., Muskegon, 1991. GAUTAM, M., CLARK, N.N., LYONS, D.W., LONG, T.R., Jr., HOWELL, A.D., LOTH, J.L., PALMER, G.M. and BATA, R., “Design Overview of A Heavy Duty Mobile Vehicle Emissions Testing Laboratory”, ASME Winter Annual Meeting, Atlanta, 1991, Vol. 40, Advanced Automotive Technology, DE-Vol. 40, ASME, 1991. LOTH, J.L., LYONS, D.W., HOWELL, A.D., CLARK, N.N., and LONG, T.R., Jr., “Flywheel Design for the WVU Mobile Heavy Duty Truck Testing Facility”, ASME Winter Annual Meeting, Atlanta, 1991. CLARK, N.N., WAYNE, W.S., McKENZIE, E.A. Jr., STILES, R. and THOMPSON, T., "Pressure Probe Instrumentation for Gas-Solid Fluid Beds" and “Image Analysis and Particle Shape Effects”, Poster Presentation, International Fine Particle Research Institute Meeting, Albuquerque, June 1991. BATA, R., CLARK, N.N., LYONS, D.W., PALMER, G.M., LONG, T.R., HOWELL, A., LOTH, J.L.,
RAPP, B.L. and WANG, W., “The First Transportable Heavy Duty Vehicle 1992 TURTON, R., and CLARK, N.N., “Determination of Fluid Bed Bubble Size Distributions Using Time-Varying Probe Signals”, Engineering Foundation Fluidization Conf., Australia, 1992, pp. 771-780, Fluidization VII, O. Potter & D. Nicklin (Eds). WAYNE, W.S., CLARK, N.N. and GAUTAM, M., “Pressure Gradients in the Vicinity of Bubble Pairs in a Fluidized Bed”, Powder and Bulk Solids Conf., Rosemont, IL, 1992. WAYNE, W.S., CLARK, N.N., GAUTAM, M. & TURTON, R., “Experimental Measurement of Pressure Fields around Imitation Wire Mesh Bubbles in a Fluid Bed”, Engineering Foundation Fluidization Conf., Australia, 1992 (Poster). WANG, W.G., BATA, R.M, LYONS, D.W., CLARK, N.N., PALMER, G.M. GAUTAM, M., HOWELL, A.D. and RAPP, B.L., “Transient Response in a Dynamometer Power Absorption System”, SAE Congress, 1992, Paper 920252. (This is also reported as a journal paper, 1992.) GAUTAM, M., FERGUSON, D., WANG, W.G., BATA, R.M., LYONS, D.W., CLARK, N.N., PALMER, G.M., and KATRAGADDA, S., (1992), “In-Use Emission and Performance Monitoring of Heavy Duty Vehicles Using a Transportable Transient Chassis Test Facility”, Accepted, SAE Int'l. Off-Highway and Powerplant Congress, Milwaukee, WI, 1992. SAE Paper 921751. GAUTAM, M., NUSSEAR, D.L., CLARK, N.N., GAO, H.G. and WALLACE, W.E., (1992), “Respirable Particulate Genotoxicant Distribution in Diesel Exhaust and Mine Atmospheres”, SAE Int'l. Off-Highway and Powerplant Congress, Milwaukee, WI. SAE Paper 921752 LYONS, D.W., BATA, R.M., WANG, W.G., CLARK, N.N., PALMER, G.M., HOWELL, A.D., LOTH, J.L., and LONG, T., JR, “Design and Construction of a Transportable Heavy Duty Vehicle Emission Testing Laboratory”, 25th Int. Symp. on Automotive Technology and Automation, Florence, Italy, 1992. Also, Annual Automotive Technology Development Contractors' Coordination Meeting, Dearborn, MI, Oct. 1991, SAE Special Pub., P-256, pp. 593-598. BATA, R., WANG, W., GAUTAM, M., LYONS, D.W., CLARK, N.N., PALMER, G.M., FERGUSON, D., and KATRAGADDA, S., “Fleet-Site Measurements of Exhaust Gas Emissions from Urban Buses”, Proceedings of ASME Fourteenth Fall Technical Conf., Waterloo, IA, Oct. 1992, Also in New Developments in Off-Highway Engines, ICE-Vol. 18 ASME Special Pub., 1992, pp. 185-196. GAUTAM, M., FERGUSON, D., NUSSEAR, D.L., PALMER, G.M., LOTH, J.L., LYONS, D.W., CLARK, N.N., BATA, R.M., SANTORO, C. and CHASEY, T., “Emissions Measurement System for a Transportable Heavy Duty Engine Transient Chassis Test Facility”, 25th Int. Symp. on Automotive Technology and Automation, Florence, Italy, 1992. BATA, R., CLARK, N.N., LYONS, D.W., LONG, T.R. Jr., HOWELL, A., LOTH, J., PALMER, G.M., RAPP, B.L. and WANG, W-G., “A Transportable Heavy Duty Vehicle Emissions Testing Laboratory: A New Dimension in Vehicle Testing”, ASME Energy Sources Technology Conf. Houston, TX, 1992, Paper ASME 92-ICE-21. WANG, Y.-Z and CLARK, N.N., “The Liquid Circulation of a Bubble Driven Flow in a Cylindrical Column”, Int. Symp. Multiphase Flow In Wells & Pipelines, ASME Winter Annual Meeting, Anaheim, CA 1992. WANG, W-G., PALMER, G.M., BATA, R.M., CLARK, N.N., GAUTAM, M., and LYONS, D.W., “Determination of Heavy Duty Vehicle Energy Consumption by a Chassis Dynamometer”, SAE International Truck and Bus Meeting and Exposition, Toledo, Ohio,1992. SAE Paper 922435. (This is also reported as a journal paper, 1992.) LYONS, D.W., ATKINSON, C.M., BATA, R.M., CELIK, I., CLARK, N.N., GAUTAM, M., JOHNSON, E.K., MEANS, K.H., PALMER, G.M., and WANG, W., “In-Use Emissions Profiles of Heavy Duty Alternative Fueled Engines”, Oct./Nov. 1992, Annual Automotive Technology Development Contractors' Coordination Meeting, Dearborn, MI, SAE Special Publication, P-265, pp. 181-190. FERGUSON, D.H., GAUTAM, M., WANG, W.G., CLARK, N.N., LYONS, D.W., BATA, R.M., PALMER, G.M. and KATRAGADDA, S., “Exhaust Emissions from In-Use Heavy Duty Vehicles Tested on a Transportable Transient Chassis Dynamometer”, SAE Int. Truck & Bus Meeting, Toledo, OH, 1992. SAE Paper 922436. 1993 McKAIN, D. and CLARK, N.N., “Slug Rise Velocities in Vertical Tubes”, Powder & Bulk Solids Conference, Rosemont, IL, May 1993., Oral Presentation only. MAEDER, A.J., DAVISON, A.J. and CLARK, N.N., “Polygonal Harmonic Shape Characterization”, NATO Advanced Workshop on Shape in Picture, The Netherlands, Sept. 1992, (Y.L.O., A. Toet, D. Foster, H.J.A.M. Heijmans and P. Meer, “Shape in Picture”, Springer, Berlin, 1994, pp. 463-472.) McKAIN, D., KARAMAVRUC, A., CLARK, N.N., and TURTON, R., “Time Varying Local Heat Transfer Coefficients in a Bubbling Fluid Bed”, Powder and Bulk Solids Conference, Rosemont, IL, 1993. Proceedings pp.145-154. CLARK, N.N. and MAEDER, A.J., “An Overview of Polygonal Harmonics as a Shape Descriptors”, Powder and Bulk Solids Conference, Rosemont, IL, 1993, Proceedings pp.295-300. CLARK, N.N., TURTON, R., and ANDERSON, R., “Start-up of Large, Slumped, Shallow Fluidized Beds”, Powder and Bulk Solids Conf., Rosemont, IL, 1993, Proceedings pp.131-136 CLARK, N.N., SMITH, J.E., MUCINO, V.H., WOHL, R., THOMPSON, G., McDANIEL, T. and SMITH, J., “Basic Design of the Rand-Cam Engine”, SAE Congress, Detroit, 1993. FERGUSON, D., GAUTAM, M., WANG, W., CLARK, N.N., RAPP, B.L., BATA, R., PALMER, G.M. and LYONS, D.W., “Emissions Data from Alternative and Conventional Fueled Trucks and Buses under Chassis Dynamometer Test Conditions”, ASME Internal Combustion Engine Division Conf., Morgantown, WV, Sept. 1993 (oral only). THOMPSON, G.J., SMITH, J.E., CLARK, N.N., MUCINO, V.H., and WOHL, R.A., “General Design Considerations for the Rand-Cam Engine”, ASME Internal Combustion Engine Division Conf., Morgantown, WV, Sept. 1993. in "Alternate Fuels, Engine Performance and Emmissions (sic.)", M. Goyal (ed.) pp.207-218. McKAIN, D.L., CLARK, N.N., KARAMAVRUC, A.I., and TURTON, R., “Local Time-Varying Bed-to-Tube Heat Transfer in Bubbling Fluidized Beds”, Proc. 5th Int. Symp. Gas-Solid Flows, Joint ASME/JSME Fluids Engineering Conf., Washington, D.C. 1993, FED Vol. 166, pp. 291-301. WANG, W.G., SUN, X., BATA, R., GAUTAM, M., CLARK, N.N., PALMER, G.M. and LYONS, D.W., “A Study of Emissions from CNG and Diesel-Fueled Heavy Duty Vehicles”, SAE Fuels and Lubricants Meeting, Philadelphia, 1993, SAE Paper 932826. Also pub. in Gaseous Fuel Technology for the Nineties, SAE Special Pub. P-993, pp. 99-108. ATKINSON, C.M., LYONS, D.W., CLARK, N.N., PALMER, G.M., GAUTAM, M., WANG, W.G., BATA, R., and McKAIN, D.L., “In-Use Emission Profiles of Diesel and Alternative Fueled Heavy Duty Vehicles”, CRC Third On-Road Vehicle Emissions Workshop, 1993. McKAIN, D.L., CLARK, N.N. AND GANSER, G., “Experimental Investigation of Slugging Using Image Analysis”, Fine Particle Society Meeting, Chicago, Aug 1993. WANG, W., GAUTAM, M., SUN, X., BATA, R., CLARK, N., PALMER, M., LYONS, D., “Emission Comparisons of Twenty-Six Heavy-Duty Vehicles Operated on Conventional and Alternative Fuels”, SAE Technical Paper 932952, Truck Alternative Fuels and Exhaust Gas Emissions, SAE Special Publication P-1001 1993, pp. 31-40, SAE International Truck & Bus Meeting and Exposition, Detroit, MI, November 1993. (Also reported as a journal paper, 1994). KATRAGADDA, S., BATA, R., WANG, W., GAUTAM., M., CLARK, N., LYONS, D., PALMER, M., STANLEY, S., DUNLAP, L., PELLEGRIN, V., WILSON, R., and PORTER, H., “A Correlation Study Between Two Heavy-Duty Vehicle Chassis Dynamometer Emissions Testing Facilities”, SAE Technical Paper 931788, SAE Special Publication Alternative Fuels: Alcohol, Hydrogen, Natural Gas and Propane, also published in Publication, P-982, SAE, August 1993, pp. 81-89. SAE Future Transportation Technology Conference, San Antonio, TX, August 9-12, 1993. LYONS, D.W., ATKINSON, C.M., BATA, R.M., CELIK, I., CLARK, N.N., GAUTAM, M., JOHNSON, E.K., LOTH, J.L., MEANS, K.H., PALMER, G.M. and WANG, W.G., “Vehicle and Emissions Testing, Characterization and Control”, Proceedings of the Annual Automotive Technology Development Contractors' Coordination Meeting, 1993, SAE Publication P-278, pp. 231-238. 1994 KARAMAVRUC, A.I., SUNDARESAN, S. and CLARK, N.N., “Transient Bed-to-tube Heat Transfer: New Data obtained using Two Dimensional Analysis”, Powder and Bulk Solids Conference, Rosemont, Ill. May 1994, Proceedings, 413-422. TENNANT, C.J., DEJONG, R.D., ATKINSON, R.J., TRAVER, M.L., ATKINSON, C.M., VINCENT, C.J., CLARK, N.N., and LYONS, D. W., “Performance of a high speed engine with dual fuel capability”, SAE Congress, Detroit, Feb., 1994, SAE Paper 940517, also appears in SAE Special Pub. SP-1038. CLARK, N.N., McKAIN, D.L., and ATKINSON, C.M., “Development of a Chassis Driving Cycle Comparable to the Federal Test Procedure for Heavy Duty Engines”, CRC Fourth On-Road Vehicle Emissions Workshop, San Diego, March 1994. LYONS, D.W., CLARK, N.N., ATKINSON, C.M., BATA, R.M., WANG, W.G., GAUTAM, M. and PALMER, G.M., “Heavy Duty Vehicle Emissions: Research in Speciation and Results from the WVU Transportable Laboratory”, CRC Fourth On-Road Vehicle Emissions Workshop, San Diego, March, 1994. BADGLEY, P., THOMPSON, G., CLARK, N.N., WOHL, R., MUCINO, V.H., and SMITH, J.E., “The Rand Cam Engine: A Pistonless Four Stroke Engine”, SAE Congress, Detroit, Feb., 1994, SAE Paper 940518. Also appears in SAE Special Pub. SP-1038. CLARK, N.N., McKAIN, D.L., MESSER, T. and LYONS, D.W., “Chassis Test Cycles for Assessing Emissions from Heavy Duty Trucks”, SAE Fuels & Lubricants Conf., Baltimore, Oct. 1994, SAE Paper 941946, also appears in SAE Special Pub. SP-1053. TENNANT, C.J., ATKINSON, R.J., TRAVER, M.L., ATKINSON, C.M., and CLARK, N.N., “Turbocharging a Dual Fuel Engine for Gasoline-Equivalent Performance with CNG”, SAE Fuels and Lubricants Conf., Baltimore, Oct. 1994, SAE Paper 942003, also appears in SAE Special Pub. SP-1052. ATKINSON, R.J., TENNANT, C.J., TRAVER, M.L., ATKINSON, C.M. and CLARK, N.N., “Control and Efficiencies of a Spark Ignition Engine with Dual Fuel Capacity”, SAE Fuels and Lubricants Conf., Baltimore, Oct. 1994, SAE Paper 942004, also appears in SAE Special Pub. SP-1052. WANG, W-G., LYONS, D.L., BATA, R.M., GAUTAM, M., and CLARK, N.N., “In Use Emissions Tests of Alternatively Fueled Heavy Duty Vehicles by a Chassis Dynamometer Testing Facility”, FISITA Paper 945124 (Federation Internationale des Societes d’Ingenieurs des Techniques de l’Automobile). Congress in Beijing, China, Oct. 1994. CLARK, N.N., ATKINSON, C.M., LYONS, D.W., MOTT, G. and DeJONG, R., “Development of a Closed Loop Fuel Management System for the Hercules 3.7 Liter Lean Burn Natural Gas Engine”, Automotive Technology Development Contractors Coordination Meeting, Dearborn, Michigan, 1994. Preprints, Vol. 1. GAUTAM, M., KELLY, B., GUPTA, D., CLARK, N.N., ATKINSON R., EL-GAZZAR, L. and LYONS, D.W., “Sampling Strategies for Characterization of the Reactive Components of Heavy Duty Diesel Exhaust Emissions”, SAE Truck & Bus Meeting, Seattle, Washington, Nov. 1994. 1995 ATKINSON, C. M., TRAVER, M.L, TENNANT, C.J., ATKINSON, R.J., and CLARK, N.N., “Exhaust Emissions and Combustion Stability in a Bi-Fuel Spark Ignition Engine”, SAE Congress, Detroit, 1995, SAE Paper 950468. ATKINSON, C.M., CLARK, N.N., McKAIN, D.L., EL-GAZZAR, L., and LYONS, D.L., “Speciation of Heavy-Duty Engine Exhaust Emissions”, 5th. CRC On-Road Emissions Workshop, San Diego, CA, April 1995. CLARK, N.N., LYONS, D.W., WANG, W.G., BATA, R.M., GAUTAM, M., KELLY, K. and WHITE, C.L., “Emissions from Alcohol, Natural Gas & Biodiesel Buses”, 5th CRC On-Road Emissions Workshop, San Diego, CA, April 1995. McKAIN, D.L., ATKINSON, C.M., El-GAZZAR, L., LYONS, D.W., AND CLARK, N.N., “Speciation of Exhaust from Low Emissions Diesel Engines”, SAE Congress, Detroit, 1995, Oral Presentation. MESSER, J.T. and CLARK, N.N., “Measurement Delays and Modal Analysis for a Transportable Heavy Duty Vehicle Emissions Testing Laboratory”, SAE Congress, Detroit 1995, SAE Paper 950218. CLARK, N.N., MESSER, J.T., WANG, W., BATA, R.M. and LYONS, D.W., “Use of the West Virginia University Truck Test Cycle to Evaluate Emissions from Class 8 Trucks”, SAE Congress, Detroit 1995, SAE Paper 951016. TENNANT, C.J., ATKINSON, R.J., TRAVER, M.L., WAYNE, W.S., ATKINSON, C.M., and CLARK, N.N., “Design of a Bi-Fuel engine which Avoids the Penalties Associated with Natural Gas Operation”, SAE Congress, Detroit 1995, SAE Paper No. 950679. KARAMAVRUC, A.I. and CLARK, N.N., “Application of Deterministic Chaos Theory to Local Instantaneous Temperature, Pressure and Heat Transfer Coefficients in a Gas Fluidized Bed”, ASME Fluids Engineering Division Summer Meeting, Hilton Head, South Carolina, Aug. 1995. SUNDERESAN, S.R., CLARK, N.N. and KARAMAVRUC, A.I., “Effect of Particle Size on Local Instantaneous Heat Transfer Coefficients in a Gas Fluidized Bed”, ASME Fluids Engineering Division Summer Meeting, Hilton Head, SC, Aug. 1995. SUNDERESAN, S. and CLARK, N.N., “Interpretation of Heat Transfer Fluctuations on a Heat Transfer Tube in a Gas Fluidized Bed”, Powder & Bulk Solids Conf., Rosemont, IL, 1995, Proceedings pp. 313-324. CLARK, N.N., “Closed Loop Control of Lean Burn CNG Engines and Their Emissions”, SAE Topical Technical Meeting, (Invited Presentation) Austin, TX, May 1995. CLARK, N.N., RAMANATHAN, K., TURTON, R., BENEVIDES, F., and ANDERSON, R.J, “Metal Vapor Capture from Incinerator Gas using a Fluidized Bed Contactor”, Powder & Bulk Solids Conf., Rosemont, Il., 1995, Proceedings pp. 351-355. CLARK, N.N., GADAPATI, C.J., WANG, W.G., BATA, R.M., GAUTAM, M., and LYONS, D.W., “Comparative Emissions from Natural Gas and Diesel Buses”, SAE Alternative Fuels Conf., San Diego, Dec. 1995, SAE Paper 952746. MOTT, G.E., ATKINSON, C.M., CLARK, N.N., ATKINSON, R.J., DeJONG, R.J., LATVAKOSKI, T.E., and TRAVER, M.L., “Effect of Fuel Composition on the Operation of a Lean Burn Natural Gas Engine”, SAE Fuels & Lubricants Meeting, Toronto, Oct. 1995 and SAE Alternative Fuels Conf., San Diego, Dec. 1995, SAE Paper 952560. TENNANT, C.J., ATKINSON, R.J., TRAVER, M.L., ATKINSON, C.M. and CLARK, N.N., “A Bi-fuel Engine for the Transition to CNG Usage”, ASME Internal Combustion Engine Division, 1995 Fall Technical Conference. MOTT, G.E., ATKINSON, C.M., CLARK, N.N. and ATKINSON, R.J., “Closed Loop Engine Control for Turbocharged Lean Burn Natural Gas Engine Operation”, ASME Internal Combustion Engine Division, 1995 Fall Technical Conference. CLARK, N.N., “Overview of Inspection & Maintenance Issues”, Invited Presentation at Nescaum Heavy Duty Vehicle Workshop, Warwick, R.I., Oct. 1995. GERTLER, A.W., SAGEBEIL, J.C., PIERSON, W.R., ATKINSON, C.M. and CLARK, N.N., “On-Road Chassis Dynamometer and Engine-Out Dynamometer Measurements of Heavy-Duty Vehicle Emission Factors”, Proceedings of the A&WMA Conference on the Emission Inventory: Programs & Progress, RTP, NC 11-13 October 1995. Air & Waste Management Association, Pittsburgh, PA. (Proceedings published in 1996). 1996 BATA, R.M., LYONS, D.W., CLARK, N.N., GAUTAM, M., WANG, W-G., BROWN, D. and HEYDORN, E., “Vehicle Performance and Exhaust Gas Emissions of In-use Methanol Fueled Transit Buses”, Eleventh International Symposium on Alcohol Fuels, S. Africa, April 1996. CLARK, N.N., WANG, W.G., BATA, R.M., GAUTAM, M., LYONS, D.W., KELLY, K. and WHITE, C., “Emissions from Heavy Duty Trucks and Buses Operating on Ethanol Based Fuels”, Eleventh International Symposium on Alcohol Fuels, S. Africa, April 1996. NINE, R.D., ATKINSON, C.M., McKAIN, D.L., EL-GAZZAR, L., CLARK, N.N. and LYONS, D.W., “Speciation of Diesel Exhaust from a Medium Duty Diesel Engine”, SAE Congress, Detroit, MI, Feb. 1996, SAE Paper 960322, Also in Special Publication SP-1159. CRAVEN, K.C. and CLARK, N.N., “Ideal Computer Analysis of a Novel Engine Concept”, SAE Congress, Detroit, MI, Feb. 1996, SAE Paper 960080. ATKINSON, C.M., CLARK, N.N. and LYONS, D.W., “An Estimation of the Comparative Contribution of Heavy-Duty Diesel Buses and Trucks to Mobile Source Emissions”, 6th CRC On-Road Emissions Conf., San Diego, March 1996. CLARK, N.N. and LYONS, D.W., “Driving Routes (or Icon Tests) for Heavy Duty Truck Emissions Measurement”, 6th CRC On-Road Emissions Conf., San Diego, CA, March 1996. GAUTAM, M., BYRD, R., LYONS, D.W., WANG, W.G., CLARK, N.N. and BATA, R., “Correlation of Total Particulate Matter and Smoke Emissions from in-use Heavy Duty Vehicles”, 6th CRC on-Road Emissions Conf., San Diego, CA, March 1996. NINE, R.D., CLARK, N.N., ATKINSON, C.M., MOTT, G.E., and MACE, B.E., “Speciation of Reactive Components of Lean Burn CNG Exhaust Emissions”, Poster Presentation, Windsor Workshop on alternative Fuels, Toronto, June 1996. CLARK, N.N., ATKINSON, C.M., LYONS, D.W., MOTT, G.E., ATKINSON, R.J., De JONG, R.J., and LATVAKOSKI, T.E., “Closed Loop Fueling Control For A Lean Burn Natural Gas Engine”, Poster Presentation, Windsor Workshop on Alternative Fuels, Toronto, June 1996. CLARK, N.N., WANG, W.G., LYONS, D.W., GAUTAM, M. and BATA, R.M., “Troubleshooting High Emissions From In-Service Alternative Fueled Buses”, Windsor Workshop on Alternative Fuels (Proceedings), pp. 421-437, Toronto, June 1996. CLARK, N.N., and LYONS, D.W., “Comparative Emissions From Chassis Tests Of Trucks Using Diesel No.2 and Biodiesel Blend”, Poster Presentation, Windsor Workshop on Alternative Fuels (Proceedings), Toronto, June 1996. 1997 CLARK, N.N. and LYONS, D.W., “Emissions from CNG and Diesel Refuse Haulers Using
Six Engine Types in New York City”, Seventh CRC On-Road Vehicle Emissions Workshop,
San Diego, April 1997, pp. 5-49 to 5-64. CLARK, N.N., LYONS, D.W., GAUTAM, M., BATA, R.M., and WANG, W.G., “Field Emissions Testing of Heavy Duty Natural Gas Vehicles”, Windsor Workshop on Transportation Fuels, Windsor, Ont. 1997. NINE, R.D., CLARK, N.N., MACE, B.E. and EL-GAZZAR, L., “Hydrocarbon Speciation of a Lean Burn Spark Ignited Engine”, SAE Fuels & Lubricants Conf., Tulsa, OK, October 1997, SAE Paper 972971. CLARK, N.N., LYONS, D.W., BATA, R.M., GAUTAM, M., WANG, W.G., NORTON, P., and CHANDLER, K., “Natural Gas and Diesel Transit Bus Emissions: Review and Recent Data”, SAE Truck and Bus Conference, Cleveland, OH, Nov. 1997, SAE Paper 973203. VANYO, T.J., MORRISON, R.W., REMCHO, V.T., MACE, B.E., NINE, R.D. and CLARK, N.N., “Development of Analytical Tools for the Determination of Airborne and Waterborne Marine Engine Exhaust Contaminants”, 19th International Symposium on Capillary Chromatography and Electrophoresis, Wintergreen, VA, 1997. CLARK, N.N., LYONS., D.W., WANG, W.G., GAUTAM, M. and ATKINSON, C.M., “Emissions from Buses using New Generation Natural Gas Engines”, Annual Automotive Technology Customers’ Coordination Meeting, Dearborn, MI, Oct. 1998, Poster and Proceedings, Vol. III, pp. 491-497. CLARK, N.N., ATKINSON, C.M., NINE, R.D., DALEY, J.J., PEERENBOOM, W.H. and SUSKI, V.A., “Development of a Heavy Duty Chassis Dynamometer Driving Route”, Annual automotive Technology Customers’ Coordination Meeting, Dearborn, MI, Oct. 1997, Poster and Proceedings, Vol. III, pp. 499-504. GAUTAM, M., LYONS, D.W., CLARK, N.N., WANG, W.G. and BERGIN, M., “In-use Particulate Matter Emissions from Heavy Vehicles”, Annual Automotive Technology Customers’ Coordination Meeting, Dearborn, MI, Oct. 1997, Poster and Proceedings, Vol. III, pp. 559-562. 1998 McKAIN, D.L., CLARK, N.N., McDANIEL, T.I., and HOPPIE, J., “Chassis Test Cycle Development for Engine Test Compliance on Heavy Duty Engines”, SAE International Congress, Detroit, Feb. 1998, SAE Paper 980407. MACE, B.E., NINE, R.D., CLARK, N.N., VANYO, T.J., REMCHO, V.T., MORRISON, R.W., and McLAUGHLIN, L.W., “Emissions from Marine Engines with Water Contact in the Exhaust Stream”, SAE International Congress, Detroit, Feb. 1998, SAE Paper 980681. WIMMER, R.R., FLETCHER, J., CLARK, N.N., McKAIN, P.L., and McCONNELL, S., “Emissions Testing of a Hybrid Fuel Cell Bus”, SAE International Congress, Detroit, Feb. 1998, SAE Paper 980680. WAYNE, W.S., CLARK, N.N. and ATKINSON, C.M., “A Parametric Study of Knock Control Strategies for a Bi-Fuel Engine”, SAE International Congress, Detroit, Feb. 1998, SAE Paper 980895. CHANDLER, K., NORTON, P. and CLARK, N.N., “Alternative Fuel Truck Evaluation Project – Design and Preliminary Results”, SAE Spring Fuels and Lubricants Meeting, Dearborn, MI, May 1998, SAE Paper 981392. CLARK, N.N., LYONS, D.W., RAPP, B.L, GAUTAM, M., WANG, W.G., NORTON, P., WHITE, C. and CHANDLER, C., “Emissions from Trucks and Buses Powered by Cummins L-10 Natural Gas Engines”, SAE Spring Fuels and Lubricants Meeting, Dearborn, MI, May 1998, SAE Paper 981393. BHARGAVA, S., HILDEBRAND, M.W. and CLARK, N.N., “Exhaust Gas Recirculation in a Lean Burn Natural Gas Engine”, SAE Spring Fuels and Lubricants Meeting, Dearborn, MI, May 1998, SAE Paper 981395. CLARK, N.N., JARRETT, R.P. and ATKINSON, C.M., “Field Measurements of Particulate Matter Emissions and Exhaust Opacity from Heavy Duty Vehicles”, Air & Waste Management Assoc. / EPA International Specialty Conf., Long Beach, CA 1998. CLARK, N.N., NINE, R.D., DALEY, J.J., ATKINSON, C.M., TENNANT, C.J., LYONS, D.W., PEERENBOOM, W.H. and SUSKI, V.A., “Heavy Duty Truck Emissions: Driving Routes and NO/NO2 Ratios”, 8th CRC On-Road Vehicle Emissions Workshop, San Diego, CA, April 1998. GAUTAM, M., MUCINO, V., MEHTA, S., CLARK, N.N., RAPP, B.L., LYONS, D.W. and SANCHEZ, F. “Control of Particulate Matter Emissions from In-use Vehicles at High Altitudes using a Cerium Based Catalytic Regeneration System”, Poster, 8th CRC On-Road Vehicle Emissions Workshop, San Diego, CA, April 1998. ATKINSON, C.M., CLARK, N.N., LONG, T.L. and HANZEVACK, E.L. “Neural Network Based Vehicle Emissions Modeling for Inventory Applications – An Update on Virtual Sensing”, 8th CRC On-Road Vehicle Emissions Workshop, San Diego, CA, April 1998. CLARK, N.N, ATKINSON, C.M., LYONS, D.W., and RAMAMURTHY, R., “Models for Predicting Transient Heavy Duty Vehicle Emissions”, SAE Fall Fuels & Lubricants Meeting, San Francisco, October, 1998, SAE Paper 982652. CLARK, N.N., NANDKUMAR, S. and FAMOURI, P., “Fundamental Analysis of a Linear Two-Stroke Internal Combustion Engine”, SAE Fall Fuels & Lubricants Meeting, San Francisco, October, 1998, SAE Paper 982692. CLARK, N.N., RAPP, B.L., GAUTAM, M., WANG, W.G., and LYONS, D.W., “A Long Term Field Emissions Study of Natural Gas Fueled Refuse Haulers in New York City”, SAE Fall Fuels & Lubricants Meeting, San Francisco, October, 1998, SAE Paper 982456. NORTON, P., VERTIN, K.D., BAILEY, B.K., CLARK, N.N., LYONS, D.W., EBERHARDT, J. and GOGUEN, S.J., “Emissions from Trucks using Fischer-Tropsch Diesel Fuel.”, SAE Fall Fuels & Lubricants Meeting, San Francisco, October, 1998, SAE Paper 982526. WAYNE, W.S., CLARK, N.N. and ATKINSON, C.M., “Numerical Prediction of Knock in a Bi-Fuel Engine”, SAE Fall Fuels & Lubricants Meeting, San Francisco, October, 1998, SAE Paper 982533. CLARK, N.N., NANDKUMAR, S., ATKINSON, C., ATKINSON, R., MCDANIEL, T., PETREANU, S. and FAMOURI, P., “Experimental Examination of a Small Bore Linear Two-Stroke Engine” ASME Internal Combustion Engine Fall Conf., Clymer, NY, 1998, in Engine Design and Combustion, (T. Uzkan, ed.) Vol. 1, pp. 33-42. CLARK, N.N. and LYONS, D.W., “Class 8 Truck Emissions Testing: Effects of Test Cycles and Data on Biodiesel Operation”, American Society of Agricultural Engineers Meeting, Orlando, Fl., July 1998. ASAE Paper 986082 NINE, R.D., CLARK, N.N., MACE, B.E., MORRISON, R.W., REMCHO, V.T., LOWE, P.C. and McLAUGHLIN,
L.W., “Use of Soy-Derived Fuel for Environmental Impact Reduction in Marine Engine
Applications”, American Society of Agricultural Engineers Meeting, Orlando, Fl.,
July 1998. ASAE Paper 986083 FAMOURI, P., CAWTHORNE, W.R., CLARK, N.N., NANDKUMAR, S., ATKINSON, C.M., ATKINSON, R., McDANIEL, T. and PETREANU, S., “Design and Testing of a Novel Linear Alternator and Engine System for Remote Electric Power Generation”, 1999 IEEE Power Engineering Society Winter Meeting, New York, NY., Proceedings, pp. 108-112. CLARK, N.N., GAUTAM, M., BOYCE, J.A., WANG, W.G., and LYONS, D.W., “Emissions Performance of Natural Gas and Diesel Fueled School Buses with Cummins 8.3 liter Engines”, ASME Internal Combustion Engine Division Spring Conf., Columbus, In., 1999. ASME Paper No. 99-ICE-176. Appears in Proceedings, Vol. 2, “Experimental Studies in Engines and Natural Gas and Alternative Fuels”, pp. 17-24. McKAIN, D.L. and CLARK, N.N., “Speed, Torque and Power Regressions for Quality Control of Heavy Duty Vehicle Chassis Dynamometer Research”, SAE Congress, Detroit, March 1999, SAE Paper 1999-01-0614. ATKINSON, C.M., PETREANU, S., CLARK, N.N., ATKINSON, R.J., McDANIEL, T.I., NANDKUMAR, S. and FAMOURI, P., “Numerical Simulation of a Two Stroke Linear Engine” SAE Congress, Detroit, March 1999, SAE Paper 1999-01-0921. CLARK, N.N., ATKINSON, C.M., THOMPSON, G.J., and NINE, R.D., “Transient Emissions Comparisons of Alternative Compression Ignition Fuels”, SAE Congress, Detroit, March 1999, SAE Paper 1999-01-1117. CLARK, N.N., GAUTAM, M., RAPP, B.L., LYONS, D.W., GRABOSKI, M.S., McCORMICK, R.L., ALLEMAN, T.L. and NORTON, P., “Transit Bus Emissions Characterization by Two Chassis Dynamometer Laboratories: Results and Issues”, SAE Fuels & Lubricants Meeting, Detroit, May 1999, SAE Paper 1999-01-1469. CLARK, N.N., DALEY, J.J., NINE, R.D. and ATKINSON, C.M., “Application of the new City-Suburban Heavy Vehicle Route (CSHVR) to Truck Emissions Characterization”, SAE Fuels & Lubricants Meeting, Detroit, May 1999, SAE Paper 1999-01-1467. NORTON, P., CLARK, N.N., LYONS, D.W., GAUTAM, M., GOGUEN, S.P., and EBERHARDT, J. “Emissions from Buses with DDC 6V92 Engines using Synthetic Diesel Fuel”, SAE Fuels & Lubricants Meeting, Detroit, May 1999, SAE Paper 1999-01-1512. ATKINSON, C.M., THOMPSON, G.J., TRAVER, M.L. and CLARK, N.N., “In-Cylinder Combustion Characteristics of Fischer-Tropsch and Conventional Diesel Fuels in a Heavy Duty CI Engine”, SAE Fuels & Lubricants Meeting, Detroit, May 1999, SAE Paper 1999-01-1472. KELLY, T., SPUCKLER, D., SVERDRUP, G., CALLAHAN, P., CLARK, N.N., KERN, J.M., ATKINSON, C.M., NINE, R.D., MULLEN, M. and WILSON, J., “Review of Air Quality Impacts from Diesel and Gasoline Powered Vehicles” 9th CRC On-Road Vehicle Emissions Workshop, San Diego, April, 1999. ATKINSON, C.M., CLARK, N.N., and LYONS, D.W., “Emissions Reduction Benefits of Fischer-Tropsch and Other Alternative Liquid Fuels in Heavy Duty Diesel Engines” 9th CRC On-Road Vehicle Emissions Workshop, San Diego, April, 1999. GAUTAM, M., MEHTA, S., BUGARSKI, A., BYERS, R., CLARK, N.N., and LYONS, D.W., “Particle Size Distributions from In-use Heavy-Duty Diesel Vehicles”, 9th CRC On-Road Vehicle Emissions Workshop, San Diego, April, 1999. CLARK, N.N., NINE, R.D., ATKINSON, C.M. and GAUTAM, M. “Effect of Test Cycles on Measured Emissions of Diesel Vehicles” 9th CRC On-Road Vehicle Emissions Workshop, San Diego, April, 1999. CHANDLER, K.L., NORTON, P. and CLARK, N.N., “Update from the NREL Alternative Fuel Transit Bus Evaluation Program”, American Public Transit Assoc., 1999 Bus Conference, Cleveland, Ohio. CLARK, N.N., GAUTAM, M., LYONS, D.W., ATKINSON, C.M., XIE, W-W., NORTON, P., VERTIN, K., GOGUEN, S.P. and EBERHARDT, J. “On-Road Use of Fischer-Tropsch Diesel Blends”, 1999 SAE Government/Industry Meeting, Washington, DC, SAE Paper 1999-01-2251 CLARK, N.N., “Characterization of Heavy Duty Vehicle Emissions”, Health Effects Institute Diesel Emissions Workshop, Atlanta, GA, 1999. CLARK, N.N., GAUTAM, M. and LYONS, D.W., “Chassis Dynamometer Emissions Comparison of Medium Duty Buses on Natural Gas” 1999 Windsor Workshop on Transportation Fuels, Toronto, Ont., 1999. PARK, T., ATKINSON, R.J., CLARK, N.N., TRAVER, M.L. and ATKINSON, C.M., “Operation of a Compression Ignition Engine with a HEUI Injection system on Natural Gas with Diesel Pilot Injection”, 1999 SAE Fall Fuels & Lubricants Meeting, Toronto, Ont., 1999. SAE Paper 1999-01-3522 NORTON, P., FRAILEY, M.R., ADDY, J.M., CLARK, N.N., LYONS, D.W., GAUTAM, M., and BECK, N.J., “Chassis Dynamometer Emission Measurements of Trucks & Buses using Dual Fuel Natural Gas Engines.”, 1999 SAE Fall Fuels & Lubricants Meeting, Toronto, Ont., 1999. SAE Paper 1999-01-3525 2000 McKAIN, D.L., CLARK, N.N., BALON, T.H., MOYNIHAN, P.J., LYNCH, S.A. and WEBB, T.C., “Characterization of Emissions from Hybrid and Conventional Transit Buses”, SAE Fuels & Lubricants Meeting, Paris, France, June 2000. SAE PAPER 2000-01-2011 KERN, J. M., CLARK, N. N. and NINE, R. D., “Factoring Terrain Effects into Vehicle Emissions Modeling and Inventory”, 10th CRC On-Road Vehicle Emissions Workshop, San Diego, CA, March 2000. GAUTAM, M., THOMPSON, G.J., CLARK, N.N., CARDER, D.K., CRAVEN, R. and LYONS, D.W., “Mobile Emissions Measurement Systems: State of the Art”,10th CRC On-Road Vehicle Emissions Workshop, San Diego, CA, March 2000 (Poster) BOYCE, J., MEHTA, S., XIE, W., GAUTAM, M. and CLARK, N.N., “Heavy Duty Diesel Truck research in the ODU/Langley Wind Tunnel (E-43)”, 10th CRC On-Road Vehicle Emissions Workshop, San Diego, CA, March 2000 NINE, R.D., CLARK, N.N., and NORTON, P. “Effects of Multiple Driving Test Schedules Performed on Two Heavy-Duty Vehicles”, SAE Fuels & Lubricants Meeting, Baltimore, Oct. 2000, SAE Paper 2000-01-2818. FRAILEY, M., NORTON, P., CLARK, N.N., and LYONS, D.W., “An Evaluation of Natural
Gas versus Diesel in Medium-Duty Buses, SAE Fuels & Lubricants Meeting, Baltimore,
Oct. 2000, SAE Paper 2000-01-2822. CLARK, N.N., XIE, W-W., GAUTAM, M., LYONS, D.W., NORTON, P., and BALON, T., “ Hybrid Diesel-Electric Heavy Duty Bus Emissions: Benefits of Regeneration and Engine Load Smoothing”, SAE Fuels & Lubricants Meeting, Baltimore, Oct. 2000, SAE Paper 2000-01-2955. CLARK, N.N., GAUTAM, M., BOYCE, J., LYONS, D.W., VERTIN, K., and LETAVEC, C.A., “Class 8 Trucks Operating on Ultra-Low Sulfur Diesel with Catalyzed Particle Filters: Regulated Emissions”, SAE Fuels & Lubricants Meeting, Baltimore, Oct. 2000, SAE Paper 2000-01-2815. CLARK, N.N. and MCKAIN, D.L., “Chassis Dynamometer Heavy Duty HEV BALON, T.H., WEBB, T.C. and CLARK, N.N., “Hybrid-Electric Drive Transit Bus Emission Testing Project”, American Public Transit Association (APTA) 2000 Bus and Paratransit Conference, May 7-11, 2000 – Houston, Texas CLARK, N.N., GAUTAM, M., LYONS, D.L., NINE, R.D., VERTIN, K., NORTON, P., GOGUEN, S. and EBERHARDT, J.J., “Low Emissions Compression Ignition Fuels”, Poster Presentation, Windsor Workshop on Transportation Fuels, Toronto, June 2000. CLARK, N.N., “The Hunt for the Microgram: Determining Particulate Matter Mass Emissions”, CRC/CEC/JAMA Vehicle Exhaust Particulate Emissions Measurement Workshop, Paris, France, 2000. BOND, R.E., LOTH, J.L., GUILER, R.W., CLARK, N.N. and HEYDORN, E.C., “Lubricity Problems and Solutions for a Methanol Fueled Gas Turbine”, 2000 ASME International Mechanical Engineering Congress, Orlando, Florida, November 2000. ASME Paper FED-Vol. 252, Rheology and Fluid Mechanics of Nonlinear Materials, pp. 55-58. 2001 CHATERJEE, S., MCDONALD, C., CONWAY, R., WINDAWI, H., VERTIN, K., LETAVEC, C.A., CLARK, N.N., and GAUTAM, M., “Emissions Reductions and Operational Experiences with Heavy Duty Diesel Fleet Vehicles Retrofitted with Catalytically Regenerated Particulate Filters in Southern California”, 2001 Society of Automotive Engineers Congress, Detroit, MI, SAE Paper 2001-01-0512. WAYNE, W.S., CORRIGAN, E., CLARK, N.N., GAUTAM, M., EVANS, J., NINE, R., LYONS, D.W., REN, S., WHITACRE, S., CLARK, W., GORSE, R., ORBAN, J., and STOREY, J., “Evaluation of Fuel Sulfur Effects on Diesel Oxidation and Lean NOx Catalysts”, 11th. CRC On-Road Emissions Workshop, March 2001, San Diego. JARRETT, R. and CLARK, N.N., “Prediction of Diesel Engine Emissions for use in Inventory and Vehicle Models”, 11th. CRC On-Road Emissions Workshop, March 2001, San Diego. CLARK, N.N., GAUTAM, M., LYONS, D.W., VERTIN, K., and LETAVEC, C., “Reduction of Particulate Matter from Truck & Bus Diesel Engines using ECD Ultra Low Sulfur Fuel and Exhaust Gas Filtration”, 11th. CRC On-Road Emissions Workshop, March 2001, San Diego. GAUTAM, M., THOMPSON, G.J., CARDER, D.K., CLARK, N.N., CRAVEN, R., and LYONS, D.W., “Measurement if In-Use Brake-Specific Emissions from Heavy-Duty Diesel Vehicles using the On-Board Mobile Emissions Measurement System (MEMS)., 11th. CRC On-Road Emissions Workshop, March 2001, San Diego. WAYNE, W.S., CORRIGAN, E., CLARK, N.N., GAUTAM, M., LYONS, D.L., and EVANS, J., “Measuring Diesel Emissions with a Split Exhaust Configuration” SAE Spring Fuels & Lubricants Meeting, Orlando, 2001. GANESAN, B., and CLARK, N.N., “Relationships between Instantaneous and Measured Emissions in Heavy Duty Applications”, SAE Fall Fuels & Lubricants Meeting, San Antonio, TX, 2001., SAE Paper 2001-01-3536 CLARK, N.N., AZU, A., JARRETT, R., BALON, T., MOYNIHAN, P., LYNCH, S. and WEBB, T., “Operating Envelopes of Hybrid Bus Engines,” SAE Fall Fuels & Lubricants Meeting, San Antonio, TX, 2001, SAE Paper 2001-01-3537. CONLEY, J.J., JARRETT, R., NENNELLI, A., TOTH-NAGY, C. and CLARK, N.N., “Heavy Duty Diesel Engine Emissions Modeling for Vehicle Simulation Software Using Artificial Neural Networks,” SAE Fall Fuels & Lubricants Meeting, San Antonio, TX, 2001. WAYNE, W.S., SNYDER, J.M., PERTL, F.A., ATKINSON, R.J., CLARK, N.N., GAUTAM, M., and LYONS, D.W., “Research Approach for Aging and Evaluating Diesel Lean-NOx Catalysts”, SAE Fall Fuels & Lubricants Meeting, San Antonio, TX, 2001, SAE Paper . GAUTAM, M., THOMPSON, G.J., CARDER, D.K., CLARK, N.N., SHADE, B.C., RIDDLE, W.C. and LYONS, D.W., “Measurement of In-Use, On-Board Emissions from Heavy-Duty Diesel Vehicles: Mobile Emissions Measurement System”, SAE Fall Fuels & Lubricants Meeting, San Antonio, TX, 2001, SAE Paper 2001-01-3643. CLARK, N.N. and JARRETT, R, “Evaluation of Methods for Determining Continuous Particulate Matter from Transient Testing of Heavy Duty Diesel Engines” SAE Fall Fuels & Lubricants Meeting, San Antonio, TX, 2001, SAE Paper 2001-01- 3575. FIG, D., BUFFAMONTE, T., MAY, B., LYNCH-WARNTZ, K., CONLEY, J., TAYLOR, S., TOTH-NAGY, Cs. (Students) and CLARK, N.N. (Faculty Advisor), “Further Development of a Fourth Generation Hybrid Electric Vehicle at West Virginia University”, Design Paper for SAE Special Publication, FutureTruck 2001. 2002 CLARK, N.N., TOTH-NAGY, Cs., BALON, T., CALLAGHAN, L. and BASS, E., “Standardizing the Characterization of Emissions and Fuel Economy for Heavy Hybrid Vehicles”, 12th Coordinating Research Council On-Road Emissions Conference, San Diego, Ca., April 2002. GAUTAM, M., CLARK, N.N., RIDDLE, W., NINE, R. and MALDONADO, “Validation of CARB’s Heavy Heavy-Duty Diesel Truck Driving Schedule,” 12th Coordinating Research Council On-Road Emissions Conference, San Diego, Ca., April 2002.
SHOUKRY, E., CLARK, N.N., TAYLOR, S. and FAMOURI, P., “Numerical Simulation for Parametric Study of a Two-Stroke Direct Injection Linear Engine”, SAE Spring 2002 Fuels & Lubricants Meeting, Reno, NV, SAE Paper 2002-01-1739 GAUTAM, M., CLARK, N.N., RIDDLE, W., NINE, R., WAYNE, W.S., MALDONADO, H., AGRAWAL, A. and CARLOCK, M, “Development and Initial Use of a Heavy Duty Diesel Truck Test Schedule for Emissions Characterization”, SAE Spring 2002 Fuels & Lubricants Meeting, Reno, NV, SAE Paper 2002-01-1753 CLARK, N.N., "Emissions Characterization of Heavy Duty Hybrid Vehicles" Calstart/Westart Conf. on Clean Heavy Duty Vehicles for the 21st. Century, Tempe, AZ. 2002. THOMPSON, G.J., CLARK, N.N., GAUTAM, M., CARDER, D.K. and LYONS, D.W., “Inference of Torque and Power from Heavy-Duty Diesel Engines for On-Road Emissions Monitoring”, SAE Congress, 2002, SAE Paper 2002-01-0614 FAMOURI, P. and CLARK, N.N., “Frequency and Power Density Effects on Free Piston Linear Alternator System”, ARO-AFOSR 2002 Contractors Meeting in Chemical Propulsion, Dayton, Ohio, June 2002. LETAVEC, C., UIHLIEN, J., VERTIN, K., CHATTERJEE, S., HALLSTROM, K., WAYNE, W.S., CLARK, N.N., LYONS, D.W., CHANDLER, K. and COBURN, T., “Year-long Evaluation of Trucks and Buses Equipped with Passive Diesel Particle Filters”, SAE Congress, 2002 , SAE Paper 2002-01-0614 GAUTAM, M., RIDDLE, W.C., THOMPSON, G.J., CARDER, D.K., CLARK, N.N. and LYONS, D.W., “Measurement of Brake-specific NOx Emissions using Zirconia Sensors for In-use, On-board Heavy-duty Vehicle Applications.”, SAE Fuels & Lubricants Meeting, Reno, NV, May 2002. SAE Paper 2002-01-1755 CONLEY, J.J. and CLARK, N.N., “Optimal Hybrid Vehicle Design Using Real World Data to Determine Actual Regenerative Braking Energy Recovery,” Institution of Mechanical Engineers Conf: Total Vehicle Technology, Univ. of Sussex, U.K., Nov. 2002. Appears in edited proceedings, R.K. Stobart & P.R.N. Childs, editors, Professional Engineering Publishing, Bury St. Edmunds, UK, pp.11 to 28. LEV-ON, M., LETAVEC, C, UIHLEIN, J., KIMURA, K., ALLEMAN, T., LAWSON, D., VERTIN, K., THOMPSON, G., CLARK, N.N., GAUTAM, M., WAYNE, W.S., OKAMOTO, R., RIEGER, P., YEE, G., ZIELINSKA, B., SAGEBEIL, J., CHATTERJEE, S., and HALLSTROM, K., “Speciation of Organic Compounds from the Exhaust of Trucks and Buses: Effect of Fuel and After-treatment on Vehicle Profiles,” SAE Powertrain & Fluid Systems Conference, San Diego, Oct. 2002., SAE Paper 2002-01-2873 JARRETT, R. and CLARK, N.N., “Weighting of Parameters in Artificial Neural Network Prediction of Heavy-Duty Diesel Engine Emissions,” SAE Powertrain & Fluid Systems Conference, San Diego, Oct. 2002., SAE Paper 2002-01-2878. KAMEL, M., LYFORD-PIKE, E., FRAILEY, M., BOLIN, M., CLARK, N.N, NINE, R.D. and WAYNE, W.S., "An Emission and Performance Comparison of the Natural Gas Cummins Westport Inc. C-Gas Plus versus Diesel in Heavy-Duty Trucks", SAE Powertrain & Fluid Systems Conference & Exhibition, October 2002, San Diego, CA, SAE Paper 2002-01-2737. CLARK, N.N., “Improved Mass Measurement, ” 2002 International Particulate Emissions Methodology Workshop, (organized by the Coordinating Research Council) San Diego, October 2002. 2003 & CURRENT CLARK, N.N., GAUTAM, M., BOYCE, J., XIE, W., MEHTA, S. , JARRETT, R. and RAPP, B., “Heavy-Duty Vehicle Exhaust Plume Study in the NASA/Langley Wind Tunnel,” SAE/JSAE Spring Fuels & Lubricants Meeting , Yokohama, Japan 2003. JSAE Paper 20030290 GAUTAM, M., CLARK, N.N., MEHTA, S. and BOYCE, J., “Concentrations and Size Distributions of Particulate Matter Emissions from a Class-8 Heavy-duty Diesel Truck Tested in a Wind Tunnel,” SAE/JSAE Spring Fuels & Lubricants Meeting , Yokohama, Japan 2003, JSAE Paper 20030291 CLARK, N.N., WAYNE, W.S., NINE, R.D., BUFFAMONTE, T. M., HALL, T., RAPP, B.L., THOMPSON, G., and LYONS, D.W., “Emissions from diesel-fueled heavy-duty vehicles in Southern California,” SAE/JSAE Spring Fuels & Lubricants Meeting , Yokohama, Japan 2003, JSAE Paper 20030232 WAYNE, W.S., NINE, R.D., CLARK, N.N., GAUTAM, M., MOYNIHAN, P., BALON, T., CHAIRMONTE, M., and PROSTAKOV, M., “Reduction of PM Emissions from Refuse Trucks through Retrofit of Diesel Particulate Filters,” SAE/JSAE Spring Fuels & Lubricants Meeting , Yokohama, Japan 2003, 20030285 CLARK, N.N., WAYNE, W.S., BUFFAMONTE, T., HALL, T., LYONS,D.W. and LAWSON, D., “The Gasoline/Diesel PM Split Study: Heavy Duty Vehicle Regulated Emissions” Coordinating Research Council On-Road Emissions Meeting, San Diego, Ca., May 2003. WEINBLATT, H., DULLA, R.G., and CLARK, N.N., “ A Vehicle Activity Based Procedure for Estimating Emissions of Heavy Duty Vehicles” Transportation Research Board Meeting CLARK, N.N., GAUTAM, M., WAYNE, W.S., THOMPSON, G., NINE, R.D., RIDDLE, W., LYONS, D.W.,
and MALDONADO, H., “Regulated Emissions from the California Heavy Heavy-Duty Diesel
Truck Fleet Determined in the E55 Emissions Inventory Program,”, Coordinating Research
Council On-Road Emissions Meeting, San Diego, Ca., May 2003. LAWSON, D.R., FUJITA, E.M., ARNOTT, W.P., ZIELINSKA, B., SAGEBEIL, J.C., CAMPBELL, D.E., GABELE, P., CREWS, B., CLARK, N.N. SVHAUER, J., CHRISTENSEN, C., “DOE’s Ggasoline/Diesel PM Split Study”, Coordinating Research Council On-Road Emissions Meeting, San Diego, Ca., May 2003. SCHAUER, J., CHRISTENSEN, C., FUJITA, E., ZIELINSKA, B., CLARK, N.N., GABELE, P., and LAWSON, D., “Molecular Marker Fingerprints for SI and CI Vehicles Operating Over Different Driving Cycles,” Coordinating Research Council On-Road Emissions Meeting, San Diego, Ca., May 2003. GAUTAM, M., THOMPSON, G.J., CARDER, D.K., RIDDLE, W.C., CLARK, N.N., and LYONS, D.W., “Measurement of In-Use Emissions using On-Board Measurement Systems: Lessons Learned,” Coordinating Research Council On-Road Emissions Meeting, San Diego, Ca., May 2003. CLARK, N.N., THOMPSON, G., ARAVELLI, K., TISSERA, C. and NINE, R., “Selective NOxRe-Circulation for Stationary Lean-Burn Natural Gas Engines” DOE/NETL University Reciprocating Engine Program Review, Morgantown, WV. April 2003. BEHR, R., GORE, D., DEHART, J., THOMPSON, G., GAUTAM, M., CLARK, N., REMLEY, W. and CORBETT,
J. “Advocating the Development of Universal Onboard Marine Emission Measurement Protocols” Marine
Environmental Engineering Technology Symposium (MEETS) TOTH-NAGY, Cs., JARRETT, R., THOMPSON, G., and CLARK, N.N. “On the Road Exhaust Emissions Predictions for a Class 8 Tractor using an Artificial Neural Network", 'What will move you' student conference, University of California Davis, June 26-27 2003, 2003 TOTH-NAGY, Cs., SHOUKRY, E., TURAK, E., CLARK, N.N., DAWSON, J., MUHAMMAD, H., WANG, G., and FAMOURI, P., “The first cycles of operation of the diesel linear engine/alternator at WVU”, 'What will move you' student conference, University of California Davis, June 26-27 2003, 2003 CLARK, N.N., GAUTAM, M., WAYNE, W.S., NINE, R.D., THOMPSON, G.J., LYONS, D.W., MALDONADO, H., CARLOCK, M. & AGRAWAL, A., “Creation and Evaluation of a Medium Heavy-Duty Truck Test Cycle” SAE Powertrain Conf., Pittsburgh, Oct. 2003, SAE Paper 2003-01-3284. GAUTAM, G., THOMPSON, G., CLARK, N., CARDER, D., WAYNE, W.S., RIDDLE, W. and LYONS, D.W., “Measurement of In-use Emissions from Heavy-Duty Diesel Vehicles: the State-of-the-art” 9th. Diesel Engine Emissions Reduction Conference Newport, RI, August 2003. THOMPSON, G., CLARK, N.N., GAUTAM, M., LYONS, D.W., CARDER, D., RAPP, B., GEIRGE, S., BARNETT, R. and RIDDLE, W., “Reduction of Emissions from a High-Speed Ferry” 9th. Diesel Engine Emissions Reduction Conference Newport, RI, August 2003. |
