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Nigel N. Clark - Publications

Affiliations: 
Mechanical and Aerospace Engineering West Virginia University, Morgantown, WV, United States 
Area:
engines, fuels, emissions, and transportation
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171 high-probability publications. We are testing a new system for linking publications to authors. You can help! If you notice any inaccuracies, please sign in and mark papers as correct or incorrect matches. If you identify any major omissions or other inaccuracies in the publication list, please let us know.

Year Citation  Score
2023 Johnson D, Clark N, Heltzel R, Darzi M, Footer TL, Herndon S, Thoma ED. Methane emissions from oil and gas production sites and their storage tanks in West Virginia. Atmospheric Environment: X. 16: 1-11. PMID 37091901 DOI: 10.1016/j.aeaoa.2022.100193  0.377
2023 Footer TL, Thoma ED, Clark N, Johnson D, Nash J, Herndon SC. Evaluating Natural Gas Emissions from Pneumatic Controllers from Upstream Oil and Gas Facilities in West Virginia. Atmospheric Environment: X. 17: 1-10. PMID 36643185 DOI: 10.1016/j.aeaoa.2022.100199  0.376
2021 Kazemiparkouhi F, Alarcon Falconi TM, MacIntosh DL, Clark N. Comprehensive US database and model for ethanol blend effects on regulated tailpipe emissions. The Science of the Total Environment. 812: 151426. PMID 34748836 DOI: 10.1016/j.scitotenv.2021.151426  0.4
2020 Clark NN, McKain DL, Klein T, Higgins T. Quantification of Gasoline-Ethanol Blend Emissions Effects. Journal of the Air & Waste Management Association (1995). PMID 32315258 DOI: 10.1080/10962247.2020.1754964  0.406
2020 Alrbai M, Robinson M, Clark N. Multi Cycle Modeling, Simulating and Controlling of a Free Piston Engine with Electrical Generator under HCCI Combustion Conditions Combustion Science and Technology. 192: 1825-1849. DOI: 10.1080/00102202.2019.1627340  0.386
2019 Bade M, Clark NN, Famouri P, Guggilapu P. Performance Comparison of a Single Cylinder and a Dual Cylinder Free Piston Engine Journal of Engineering For Gas Turbines and Power. 141. DOI: 10.1115/1.4043446  0.375
2018 Darzi M, Johnson D, Bade RMB, Ulishney C, Meymian NZ, Clark N, Thompson G, Famouri P. Continuously Varying Exhaust Outlet Diameter to Improve Efficiency and Emissions of a Small SI Natural Gas Two-Stroke Engine by Internal EGR Sae International Journal of Engines. 11. DOI: 10.4271/2018-01-0985  0.418
2018 Johnson D, Darzi M, Clark N, Nix A, Heltzel R. In-Use Efficiency of Oxidation and Three-Way Catalysts Used in High-Horsepower Dual Fuel and Dedicated Natural Gas Engines Sae International Journal of Engines. 11: 383-398. DOI: 10.4271/03-11-03-0026  0.363
2018 Bade M, Clark NN, Robinson MC, Famouri P. Parametric Investigation of Combustion and Heat Transfer Characteristics of Oscillating Linear Engine Alternator Journal of Combustion. 2018: 1-16. DOI: 10.1155/2018/2907572  0.403
2018 Li H, Liu S, Liew C, Gatts T, Wayne S, Clark N, Nuszkowski J. An Investigation of the Combustion Process of a Heavy-Duty Natural Gas-Diesel Dual Fuel Engine Journal of Engineering For Gas Turbines and Power. 140. DOI: 10.1115/1.4039812  0.472
2018 Li H, Gatts T, Liu S, Wayne S, Clark N, Mather D. An Experimental Investigation on the Combustion Process of a Simulated Turbocharged Spark Ignition Natural Gas Engine Operated on Stoichiometric Mixture Journal of Engineering For Gas Turbines and Power. 140. DOI: 10.1115/1.4038692  0.439
2018 Li H, Liu S, Liew C, Li Y, Wayne S, Clark N. An investigation on the mechanism of the increased NO2 emissions from H2-diesel dual fuel engine International Journal of Hydrogen Energy. 43: 3837-3844. DOI: 10.1016/J.Ijhydene.2018.01.001  0.392
2018 Darzi M, Johnson D, Ulishney C, Clark N. Low pressure direct injection strategies effect on a small SI natural gas two-stroke engine’s energy distribution and emissions Applied Energy. 230: 1585-1602. DOI: 10.1016/J.Apenergy.2018.09.091  0.483
2017 Clark NN, Johnson DR, McKain DL, Wayne WS, Li H, Rudek J, Mongold RA, Sandoval C, Covington AN, Hailer JT. Future methane emissions from the heavy-duty natural gas transportation sector for stasis, high, medium, and low scenarios in 2035. Journal of the Air & Waste Management Association (1995). PMID 28829681 DOI: 10.1080/10962247.2017.1368737  0.512
2017 Li H, Liu S, Liew C, Gatts T, Wayne S, Clark N, Nuszkowski J. An investigation of the combustion process of a heavy-duty dual fuel engine supplemented with natural gas or hydrogen International Journal of Hydrogen Energy. 42: 3352-3362. DOI: 10.1016/J.Ijhydene.2016.12.115  0.422
2017 Johnson DR, Heltzel R, Nix AC, Clark N, Darzi M. Greenhouse gas emissions and fuel efficiency of in-use high horsepower diesel, dual fuel, and natural gas engines for unconventional well development Applied Energy. 206: 739-750. DOI: 10.1016/J.Apenergy.2017.08.234  0.513
2016 Clark NN, McKain DL, Johnson DR, Wayne S, Li H, Akkerman V, Sandoval CA, Covington AN, Mongold RA, Hailer JT, Ugarte OJ. Pump-to-Wheels Methane Emissions from the Heavy-Duty Transportation Sector. Environmental Science & Technology. PMID 28005343 DOI: 10.1021/Acs.Est.5B06059  0.544
2016 Johnson DR, Covington AN, Clark NN. Design and Use of a Full Flow Sampling System (FFS) for the Quantification of Methane Emissions. Journal of Visualized Experiments : Jove. PMID 27341646 DOI: 10.3791/54179  0.488
2016 Robinson MC, Clark NN, Famouri P. Resonance of a Spring Opposed Free Piston Engine Device Sae International Journal of Engines. 9: 576-587. DOI: 10.4271/2016-01-0568  0.333
2016 Robinson MC, Clark NN. Effect of Combustion Timing and Heat Loss on Spring-Assisted Linear Engine Translator Motion Sae International Journal of Engines. 9: 546-564. DOI: 10.4271/2016-01-0560  0.356
2015 Johnson DR, Covington AN, Clark NN. Methane Emissions from Leak and Loss Audits of Natural Gas Compressor Stations and Storage Facilities. Environmental Science & Technology. 49: 8132-8. PMID 26148551 DOI: 10.1021/Es506163M  0.557
2015 Nathan BJ, Golston LM, O'Brien AS, Ross K, Harrison WA, Tao L, Lary DJ, Johnson DR, Covington AN, Clark NN, Zondlo MA. Near-Field Characterization of Methane Emission Variability from a Compressor Station Using a Model Aircraft. Environmental Science & Technology. 49: 7896-903. PMID 26011292 DOI: 10.1021/Acs.Est.5B00705  0.461
2015 Madireddy MR, Clark NN. Atmospheric Carbon Dioxide and Nitrogen Oxides Emissions Data for 2003-2005 Model Year Trucks American Journal of Climate Change. 4: 355-366. DOI: 10.4236/Ajcc.2015.44028  0.806
2015 Clark NN, McKain DL, Hart C. Prediction of instantaneous exhaust particulate concentrations International Journal of Environmental Technology and Management. 18: 400-419. DOI: 10.1504/Ijetm.2015.073073  0.519
2014 Robinson MC, Clark N. Fundamental Analysis of Spring-Varied, Free Piston, Otto Engine Device Sae International Journal of Engines. 7: 195-220. DOI: 10.4271/2014-01-1099  0.399
2014 Robinson MC, Clark NN. Fundamental explorations of spring-varied, free piston linear engine devices Asme 2014 Internal Combustion Engine Division Fall Technical Conference, Icef 2014. 2. DOI: 10.1115/1.4030094  0.374
2014 Johnson D, Covington A, Clark N. Environmental and Economic Assessment of Leak and Loss Audits at Natural Gas Compressor and Storage Facilities Energy Technology. 2: 1027-1032. DOI: 10.1002/Ente.201402086  0.426
2012 Johnson D, Ayre L, Clark N, Balon T, Moynihan P. Diesel Exhaust Aftertreatment with Scrubber Process: NOxDestruction Sae International Journal of Engines. 5: 782-789. DOI: 10.4271/2011-01-2440  0.343
2012 Liew C, Li H, Gatts T, Liu S, Xu S, Rapp B, Ralston B, Clark N, Huang Y. An experimental investigation of exhaust emissions of a 1999 Cummins ISM370 diesel engine supplemented with H2 International Journal of Engine Research. 13: 116-129. DOI: 10.1177/1468087411435049  0.537
2012 Madireddy MR, Clark NN, Schmid NA. Novel technique to reconstruct instantaneous heavy-duty emissions International Journal of Engine Research. 13: 108-115. DOI: 10.1177/1468087411432393  0.816
2012 Wu Y, Clark NN, Carder DK. Effects of CVS tunnel, ambient and instrument dilution on characteristics of nano diesel particulate matter evolution Asme 2012 Internal Combustion Engine Division Fall Technical Conference, Icef 2012. 551-561. DOI: 10.1115/ICEF2012-92105  0.321
2012 Delgado OF, Clark NN, Thompson GJ. Heavy Duty Truck Fuel Consumption Prediction Based on Driving Cycle Properties International Journal of Sustainable Transportation. 6: 338-361. DOI: 10.1080/15568318.2011.613978  0.427
2012 Liu S, Li H, Gatts T, Liew C, Wayne S, Thompson G, Clark N, Nuszkowski J. An Investigation of NO2Emissions from a Heavy-Duty Diesel Engine Fumigated with H2and Natural Gas Combustion Science and Technology. 184: 2008-2035. DOI: 10.1080/00102202.2012.695828  0.545
2012 Liew C, Li H, Liu S, Besch M, Ralston B, Clark N, Huang Y. Exhaust emissions of a H2-enriched heavy-duty diesel engine equipped with cooled EGR and variable geometry turbocharger Fuel. 91: 155-163. DOI: 10.1016/J.Fuel.2011.08.002  0.482
2011 Delgado OF, Clark NN, Thompson GJ. Modeling transit bus fuel consumption on the basis of cycle properties. Journal of the Air & Waste Management Association (1995). 61: 443-52. PMID 21516939 DOI: 10.3155/1047-3289.61.4.443  0.496
2011 Wayne WS, Perhinschi M, Clark N, Tamayo S, Tu J. Integrated bus information system Transportation Research Record. 1-10. DOI: 10.3141/2233-01  0.542
2011 Golub A, Zhen F, Clark NN, Wayne WS, Schiavone JJ, Chambers C, Chandler KL. Creation of life-cycle cost tool for transit buses to evaluate hybrid electric bus technologies in real-world operation Transportation Research Record. 19-26. DOI: 10.3141/2218-03  0.587
2011 Nix AC, Sandoval JA, Wayne WS, Clark NN, Mckain DL. Fuel economy and emissions analysis of conventional diesel, diesel-electric hybrid, biodiesel and natural gas powered transit buses Wit Transactions On Ecology and the Environment. 150: 895-908. DOI: 10.2495/SDP110741  0.371
2011 Ayre LS, Johnson DR, Clark NN, England JA, Atkinson RJ, McKain DL, Ralston BA, Balon TH, Moynihan PJ. Novel Nox emission reduction technology for diesel marine engines American Society of Mechanical Engineers, Internal Combustion Engine Division (Publication) Ice. 703-710. DOI: 10.1115/ICEF2011-60182  0.442
2011 Delgado OF, Clark NN, Thompson GJ. Method for translation of in-use fuel consumption and NOX emissions between different heavy-duty vehicle routes American Society of Mechanical Engineers, Internal Combustion Engine Division (Publication) Ice. 625-632. DOI: 10.1115/ICEF2011-60108  0.433
2011 Bedick CR, Clark NN, Johnson DR, Balon TH, Moynihan PJ. Demonstration and evaluation of a retrofit urea-SCR after-treatment system for NOx reduction in marine diesels Proceedings of the Institute of Marine Engineering, Science and Technology Part a: Journal of Marine Engineering and Technology. 10: 3-13. DOI: 10.1080/20464177.2011.11020239  0.788
2011 Bedick CR, Clark NN, Johnson DR, Balon TH, Moynihan PJ, Bradley MJ. Demonstration and evaluation of a retrofit urea-SCR after-treatment system for NOx reduction in marine diesels Journal of Marine Engineering & Technology. 10: 3-13. DOI: 10.1080/20464177.2011.11020239  0.762
2011 Liu S, Li H, Liew C, Gatts T, Wayne S, Shade B, Clark N. An experimental investigation of NO2 emission characteristics of a heavy-duty H2-diesel dual fuel engine International Journal of Hydrogen Energy. 36: 12015-12024. DOI: 10.1016/J.Ijhydene.2011.06.058  0.511
2010 Clark NN, Vora KA, Wang L, Gautam M, Wayne WS, Thompson GJ. Expressing cycles and their emissions on the basis of properties and results from other cycles. Environmental Science & Technology. 44: 5986-92. PMID 20608702 DOI: 10.1021/Es100308Q  0.548
2010 Chen X, Schmid NA, Wang L, Clark NN. Regression-based oxides of nitrogen predictors for three diesel engine technologies. Journal of the Air & Waste Management Association (1995). 60: 72-90. PMID 20102037 DOI: 10.3155/1047-3289.60.1.72  0.509
2010 Khan AS, Clark N. An empirical approach in determining the effect of road grade on fuel consumption from transit buses Sae International Journal of Commercial Vehicles. 3: 164-180. DOI: 10.4271/2010-01-1950  0.624
2010 Gatts T, Li H, Liew C, Liu S, Spencer T, Wayne S, Clark N. An experimental investigation of H2 emissions of a 2004 heavy-duty diesel engine supplemented with H2 International Journal of Hydrogen Energy. 35: 11349-11356. DOI: 10.1016/J.Ijhydene.2010.06.056  0.417
2010 Liew C, Li H, Nuszkowski J, Liu S, Gatts T, Atkinson R, Clark N. An experimental investigation of the combustion process of a heavy-duty diesel engine enriched with H2 International Journal of Hydrogen Energy. 35: 11357-11365. DOI: 10.1016/J.Ijhydene.2010.06.023  0.417
2009 Bedick CR, Clark NN, Zhen F, Atkinson RJ, McKain DL. Testing of a heavy heavy-duty diesel engine schedule for representative measurement of emissions. Journal of the Air & Waste Management Association (1995). 59: 960-71. PMID 19728490 DOI: 10.3155/1047-3289.59.8.960  0.805
2009 Zhen F, Clark NN, Bedick CR, Gautam M, Wayne WS, Thompson GJ, Lyons DW. Development of a heavy heavy-duty diesel engine schedule for representative measurement of emissions. Journal of the Air & Waste Management Association (1995). 59: 950-9. PMID 19728489 DOI: 10.3155/1047-3289.59.8.950  0.811
2009 Johnson DR, Bedick CR, Clark NN, McKain DL. Design and testing of an independently controlled urea SCR retrofit system for the reduction of NOx emissions from marine diesels. Environmental Science & Technology. 43: 3959-63. PMID 19544914 DOI: 10.1021/Es900269P  0.831
2009 Buzzard NA, Clark NN, Guffey SE. Investigation into pedestrian exposure to near-vehicle exhaust emissions. Environmental Health : a Global Access Science Source. 8: 13. PMID 19331669 DOI: 10.1186/1476-069X-8-13  0.391
2009 Khan AB, Clark NN, Gautam M, Wayne WS, Thompson GJ, Lyons DW. Idle emissions from medium heavy-duty diesel and gasoline trucks. Journal of the Air & Waste Management Association (1995). 59: 354-9. PMID 19320273 DOI: 10.3155/1047-3289.59.3.354  0.567
2009 Nuszkowski J, Clark NN, Spencer TK, Carder DK, Gautam M, Balon TH, Moynihan PJ. Atmospheric emissions from a passenger ferry with selective catalytic reduction. Journal of the Air & Waste Management Association (1995). 59: 18-30. PMID 19216184 DOI: 10.3155/1047-3289.59.1.18  0.546
2009 Tatli E, Clark NN. Crankcase particulate emissions from diesel engines Sae International Journal of Fuels and Lubricants. 1: 1334-1344. DOI: 10.4271/2008-01-1751  0.534
2009 Thompson GJ, Carder DK, Clark NN, Gautam M. Summary of in-use NOx emissions from heavy-duty diesel engines Sae International Journal of Commercial Vehicles. 1: 162-184. DOI: 10.4271/2008-01-1298  0.553
2009 Wayne SW, Sandoval JA, Clark NN. Emissions benefits from alternative fuels and advanced technology in the U.S. transit bus fleet Energy and Environment. 20: 497-515. DOI: 10.1260/095830509788707374  0.523
2009 Madireddy MR, Clark NN. Attempts to enhance the differential coefficients method for reconstruction of transient emissions from heavy-duty vehicles International Journal of Engine Research. 10: 65-70. DOI: 10.1243/14680874Jer01808  0.809
2008 Clark NN, Bedick CR, Wang L, Thompson G, McKain D, Ralston B. Emissions from a legacy diesel engine exercised through the aces engine test schedule Sae Technical Papers. DOI: 10.4271/2008-01-1679  0.828
2007 Lough GC, Christensen CG, Schauer JJ, Tortorelli J, Mani E, Lawson DR, Clark NN, Gabele PA. Development of molecular marker source profiles for emissions from on-road gasoline and diesel vehicle fleets. Journal of the Air & Waste Management Association (1995). 57: 1190-9. PMID 17972764 DOI: 10.3155/1047-3289.57.10.1190  0.523
2007 Fujita EM, Zielinska B, Campbell DE, Arnott WP, Sagebiel JC, Mazzoleni L, Chow JC, Gabele PA, Crews W, Snow R, Clark NN, Wayne WS, Lawson DR. Variations in speciated emissions from spark-ignition and compression-ignition motor vehicles in California's south coast air basin. Journal of the Air & Waste Management Association (1995). 57: 705-20. PMID 17608006 DOI: 10.3155/1047-3289.57.6.705  0.466
2007 Posada F, Bedick C, Clark NN, Kozlov A, Linck M, Boulanov D, Pratapas J. Low temperature combustion with thermo-chemical recuperation Sae Technical Papers. DOI: 10.4271/2007-01-4074  0.351
2007 Clark NN, Khan ABMS, Wayne WS, Gautam M, Thompson GJ, McKain DL, Lyons DW, Barnett R. Weight effect on emissions and fuel consumption from diesel and lean-burn natural gas transit buses Sae Technical Papers. DOI: 10.4271/2007-01-3626  0.366
2007 Clark NN, Wayne WS, Khan AS, Lyons DW, Gautam M, McKain DL, Thompson GJ, Barnett R. Effects of average driving cycle speed on lean-burn natural gas bus emissions and fuel economy Sae Technical Papers. DOI: 10.4271/2007-01-0054  0.391
2007 Fujita EM, Zielinska B, Campbell DE, Arnott WP, Sagebiel JC, Mazzoleni L, Chow JC, Gabele PA, Crews W, Snow R, Clark NN, Wayne WS, Lawson DR. Variations in speciated emissions from spark-ignition and compression-ignition motor vehicles in California's South Coast Air Basin Journal of the Air and Waste Management Association. 57: 705-720. DOI: 10.3155/1047-3289.57.6.705  0.366
2007 Chow J, Watson J, Feldman H, Nolen J, Wallerstein B, Hidy G, Lioy P, McKee H, Mobley D, Yoshida Y, Ito A, Murakami M, Murakami T, Fujimoto H, Takeda K, ... ... Clark N, et al. Supplemental Material to "Development of Molecular Marker Source Profiles for Emissions from On-Road Gasoline and Diesel Vehicle Fleets" Journal of the Air & Waste Management Association. 57. DOI: 10.3155/1047-3289.57.10.1190_Supplmaterial  0.476
2007 Hashemi N, Clark NN. Artificial neural network as a predictive tool for emissions from heavy-duty diesel vehicles in Southern California International Journal of Engine Research. 8: 321-336. DOI: 10.1243/14680874Jer00807  0.493
2007 Perhinschi MG, Wayne WS, Clark NN, Lyons DW. Neural network modeling of emissions from medium-duty vehicles operating on Fisher-Tropsch synthetic fuel Sae Technical Papers.  0.415
2006 Khan AB, Clark NN, Thompson GJ, Wayne WS, Gautam M, Lyons DW, Hawelti D. Idle emissions from heavy-duty diesel vehicles: review and recent data. Journal of the Air & Waste Management Association (1995). 56: 1404-19. PMID 17063863 DOI: 10.1080/10473289.2006.10464551  0.566
2006 McCarthy MC, Eisinger DS, Hafner HR, Chinkin LR, Roberts PT, Black KN, Clark NN, McMurry PH, Winer AM. Particulate matter: A strategic vision for transportation-related research. Environmental Science & Technology. 40: 5593-9. PMID 17007114 DOI: 10.1021/Es062767I  0.375
2006 Tóth-Nagy C, Conley JJ, Jarrett RP, Clark NN. Further validation of artificial neural network-based emissions simulation models for conventional and hybrid electric vehicles. Journal of the Air & Waste Management Association (1995). 56: 898-910. PMID 16878583 DOI: 10.1080/10473289.2006.10464513  0.765
2006 Clark NN, Gautam M, Wayne WS, Thompson GJ, Nine RD, Lyons DW, Buffamonte T, Xu S, Maldonado H. Regulated emissions from heavy heavy-duty diesel trucks operating in the south coast air basin Sae Technical Papers. DOI: 10.4271/2006-01-3395  0.392
2006 Thompson GJ, Gibble JC, Clark NN, Gautam M. Influences of real-world conditions on in-use emission from heavy-duty diesel engines Sae Technical Papers. DOI: 10.4271/2006-01-3393  0.437
2006 Moynahan NA, Thompson GJ, Clark NN, Gautam M. Development of a vehicle road load model for ecu broadcast power verification in on-road emissions testing Sae Technical Papers. DOI: 10.4271/2006-01-3392  0.363
2006 Clark NN, Tatli E, Barnett R, Wayne WS, McKain DL. Characterization and abatement of diesel crankcase emissions Sae Technical Papers. DOI: 10.4271/2006-01-3372  0.497
2006 Clark NN, Borrell ER, McKain DL, Paramo VH, Wayne WS, Vergara W, Barnett RA, Gautam M, Thompson G, Lyons DW, Schipper L. Evaluation of Emissions from New and In-Use Transit Buses in Mexico City, Mexico Transportation Research Record: Journal of the Transportation Research Board. 1987: 42-53. DOI: 10.3141/1987-05  0.592
2006 Madireddy MR, Clark NN. Sequential inversion technique and differential coefficient approach for accurate instantaneous emissions measurement International Journal of Engine Research. 7: 437-446. DOI: 10.1243/14680874Jer00406  0.777
2006 Kinsey JS, Mitchell WA, Squier WC, Linna K, King FG, Logan R, Dong Y, Thompson GJ, Clark NN. Evaluation of methods for the determination of diesel-generated fine particulate matter: Physical characterization results Journal of Aerosol Science. 37: 63-87. DOI: 10.1016/J.Jaerosci.2005.03.007  0.351
2005 Strimer CM, Clark NN, Carder D, Gautam M, Thompson G. Impact of vehicle weight on truck behavior and emissions, using on-board measurement Sae Technical Papers. DOI: 10.4271/2005-01-3788  0.545
2005 Alleman TL, Barnitt R, Eudy L, Miyasato M, Oshinuga A, Corcoran T, Chatterjee S, Jacobs T, Cherrillo RA, Clark N, Wayne WS. Final operability and chassis emissions results from a fleet of class 6 trucks operating on gas-to-liquid fuel and catalyzed diesel particle filters Sae Technical Papers. DOI: 10.4271/2005-01-3769  0.533
2005 Tissera CA, Swartz MM, Tatli E, Vellaisamy R, Clark NN, Thompson GJ, Atkinson RJ. NOX decomposition in natural gas, diesel and gasoline engines for selective NOX recirculation Sae Technical Papers. DOI: 10.4271/2005-01-2144  0.305
2005 Vora KA, Clark NN, Gautam M, Wayne WS. Multidimensional correlation study using linear regression of PM and NOX for heavy duty diesel vehicles Sae Technical Papers. DOI: 10.4271/2005-01-1618  0.465
2004 Ireson RG, Easter MD, Lakin ML, Ondov JM, Clark NN, Wright DB. Estimation of diesel particulate matter concentrations in a school bus using a fuel-based tracer: Sensitive and specific method for quantifying vehicle contributions Transportation Research Record. 21-28. DOI: 10.3141/1880-03  0.384
2004 Taylor S, Clark N, Gautam M, Wayne WS. Diesel emissions prediction from dissimilar cycle scaling Proceedings of the Institution of Mechanical Engineers, Part D: Journal of Automobile Engineering. 218: 341-352. DOI: 10.1243/095440704322955867  0.379
2004 Wayne WS, Clark NN, Nine RD, Elefante D. A comparison of emissions and fuel economy from hybrid-electric and conventional-drive transit buses Energy and Fuels. 18: 257-270. DOI: 10.1021/Ef030096T  0.55
2004 Tatli E, Clark NN, Atkinson RJ, Thompson GJ. Size distribution of diesel particulate matter from a heavy duty diesel engine during FTP transient cycle Proceedings of the 2004 Fall Technical Conference of the Asme Internal Combustion Engine Division. 137-143.  0.311
2004 Thompson GJ, Clark NN, Gautam M, Carder DK, George S. Reduction of emissions from a high speed passenger ferry Proceedings of the 2004 Fall Technical Conference of the Asme Internal Combustion Engine Division. 555-570.  0.403
2004 Thompson GJ, Clark NN, Atkinson RJ, Luzader Z, VanScoy FL, Baker V, Chandler J. Development of an interface method for implementing road grade in chassis dynamometer testing Proceedings of the 2004 Fall Technical Conference of the Asme Internal Combustion Engine Division. 53-60.  0.375
2003 Gajendran P, Clark NN. Effect of truck operating weight on heavy-duty diesel emissions. Environmental Science & Technology. 37: 4309-17. PMID 14524470 DOI: 10.1021/Es026299Y  0.827
2003 Clark NN, Gajendran P, Kern SM. A predictive tool for emissions from heavy-duty diesel vehicles. Environmental Science & Technology. 37: 7-15. PMID 12542284 DOI: 10.1021/Es0113192  0.839
2003 Clark NN, Gautam M, Wayne WS, Nine RD, Thompson GJ, Lyons DW, Maldonado H, Carlock M, Agrawal A. Creation and evaluation of a Medium Heavy-Duty Truck test cycle Sae Technical Papers. DOI: 10.4271/2003-01-3284  0.436
2003 Clark NN, Wayne WS, Nine RD, Buffamonte T, Hall T, Rapp BL, Thompson G, Lyons DW. Emissions from diesel-fueled heavy-duty vehicles in Southern California Sae Technical Papers. DOI: 10.4271/2003-01-1901  0.583
2003 Clark NN, Gautam M, Boyce J, Xie W, Mehta S, Jarett R, Rapp B. Heavy duty vehicle exhaust plume study in the nasa/langley wind tunnel Sae Technical Papers. DOI: 10.4271/2003-01-1895  0.409
2003 Gautam M, Clark NN, Mehta S, Boyce JA, Rogers F, Gertler A. Concentrations and size distributions of particulate matter emissions from a class-8 heavy-duty diesel truck tested in a wind tunnel Sae Technical Papers. DOI: 10.4271/2003-01-1894  0.448
2003 Wayne WS, Nine RD, Clark NN, Gautam M, Moynihan P, Balon T, Chiaramonte M, Prostakov M. Reduction of PM emissions from refuse trucks through retrofit of diesel particulate filters Sae Technical Papers. DOI: 10.4271/2003-01-1887  0.482
2003 Weinblatt H, Dulla RG, Clark NN. Vehicle activity-based procedure for estimating emissions of heavy-duty vehicles Transportation Research Record. 64-72. DOI: 10.3141/1842-08  0.517
2002 Clark NN, Kern JM, Atkinson CM, Nine RD. Factors affecting heavy-duty diesel vehicle emissions. Journal of the Air & Waste Management Association (1995). 52: 84-94. PMID 15152668 DOI: 10.1080/10473289.2002.10470755  0.597
2002 Jarrett RP, Clark NN. Weighting of parameters in artificial neural network prediction of heavy-duty diesel engine emissions Sae Technical Papers. DOI: 10.4271/2002-01-2878  0.451
2002 Lev-On M, Letavec C, Uihlein J, Kimura K, Alleman TL, Lawson DR, Vertin K, Gautam M, Thompson GJ, Wayne WS, Clark N, Okamoto R, Rieger P, Yee G, Zielinska B, et al. Speciation of organic compounds from the exhaust of trucks and buses: Effect of fuel and after-treatment on vehicle emission profiles Sae Technical Papers. DOI: 10.4271/2002-01-2873  0.453
2002 Gautam M, Riddle WC, Thompson GJ, Carder DK, Clark NN, Lyons DW. Measurement of brake-specific NOX emissions using zirconia sensors for in-use, on-board heavy-duty vehicle applications Sae Technical Papers. DOI: 10.4271/2002-01-1755  0.472
2002 Clark NN, Tehranian A, Jarrett RP, Nine RD. Translation of distance-specific emissions rates between different heavy duty vehicle chassis test schedules Sae Technical Papers. DOI: 10.4271/2002-01-1754  0.497
2002 Thompson GJ, Clark NN, Gautam M, Carder DK, Lyons DW. Inference of torque and power from heavy-duty diesel engines for on-road emissions monitoring Sae Technical Papers. DOI: 10.4271/2002-01-0614  0.479
2001 Prucz JC, Clark NN, Gautam M, Lyons DW. Exhaust emissions from engines of the Detroit Diesel Corporation in transit buses: a decade of trends. Environmental Science & Technology. 35: 1755-64. PMID 11355189 DOI: 10.1021/Es001416F  0.601
2001 Clark NN, Conley J, Jarrett RP, Nennelli A, Tóth-Nagy C. Emissions modeling of heavy-duty conventional and hybrid electric vehicles Sae Technical Papers. DOI: 10.4271/2001-01-3675  0.517
2001 Gautam M, Thompson GJ, Carder DK, Clark NN, Shade BC, Riddle WC, Lyons DW. Measurement of in-use, on-board emissions from heavy-duty diesel vehicles:mobile emissions measurement system Sae Technical Papers. DOI: 10.4271/2001-01-3643  0.527
2001 Wayne WS, Snyder JM, Clark NN, Gautam M, Lyons DW, Ren S, Storey J, Clark W. Research approach for aging and evaluating diesel lean-NOx catalysts Sae Technical Papers. DOI: 10.4271/2001-01-3620  0.384
2001 Jarrett RP, Clark NN. Evaluation of methods for determining continuous particulate matter from transient testing of heavy-duty diesel engines Sae Technical Papers. DOI: 10.4271/2001-01-3575  0.351
2001 Clark NN, Azu A, Jarrett R, Balon T, Moynihan P, Lynch S, Webb T. Operating envelopes of hybrid bus engines Sae Technical Papers. DOI: 10.4271/2001-01-3537  0.369
2001 Ganesan B, Clark NN. Relationships between instantaneous and measured emissions in heavy duty applications Sae Technical Papers. DOI: 10.4271/2001-01-3536  0.365
2001 Wayne WS, Corrigan ER, Atkinson RJ, Clark NN, Lyons DW. Measuring diesel emissions with a split exhaust configuration Sae Technical Papers. DOI: 10.4271/2001-01-1949  0.38
2001 Gilbert MS, Clark NN. Measurement of particulate matter from diesel engine exhaust using a tapered element oscillating microbalance International Journal of Engine Research. 2: 277-287. DOI: 10.1243/1468087011545488  0.364
2001 Clark NN, McKain DL. A chassis test procedure to mimic the heavy-duty engine transient emissions certification test Journal of the Air and Waste Management Association. 51: 432-442. DOI: 10.1080/10473289.2001.10464276  0.568
2001 Jarrett RP, Clark NN, Gilbert M, Ramamurthy R. Evaluation and correction of moisture adsorption and desorption from a tapered element oscillating microbalance Powder Technology. 119: 215-228. DOI: 10.1016/S0032-5910(00)00425-3  0.451
2001 Schumacher LG, Clark NN, Lyons DW, Marshall W. Diesel engine exhaust emissions evaluation of biodiesel blends using a Cummins L10E engine Transactions of the American Society of Agricultural Engineers. 44: 1461-1464.  0.446
2000 Clark NN, Xie W, Gautam M, Lyons DW, Norton P, Balon T. Hybrid diesel-electric heavy duty bus emissions: Benefits of regeneration and need for state of charge correction Sae Technical Papers. DOI: 10.4271/2000-01-2955  0.437
2000 Clark NN, Prucz JC, Gautam M, Lyons DW. The west virginia university heavy duty vehicle emissions database as a resource for inventory and comparative studies Sae Technical Papers. DOI: 10.4271/2000-01-2854  0.57
2000 Frailey M, Norton P, Clark NN, Lyons DW. An evaluation of natural gas versus diesel in medium-duty buses Sae Technical Papers. DOI: 10.4271/2000-01-2822  0.354
2000 Nine RD, Clark NN, Norton P. Effect on emissions of multiple driving test schedules performed on two heavy-duty vehicles Sae Technical Papers. DOI: 10.4271/2000-01-2818  0.573
2000 McKain DL, Clark NN, Balon TH, Moynihan PJ, Lynch SA, Webb TC. Characterization of emissions from hybrid-electric and conventional transit buses Sae Technical Papers. DOI: 10.4271/2000-01-2011  0.56
2000 Nine RD, Clark NN, Mace BE, Morrison RW, Lowe PC, Remcho VT, McLaughlin LW. Use of soy-derived fuel for environmental impact reduction marine engine applications Transactions of the American Society of Agricultural Engineers. 43: 1383-1391. DOI: 10.13031/2013.3035  0.481
2000 Thompson GJ, Atkinson CM, Clark NN, Long TW, Hanzevack E. Neural Network Modelling of the Emissions and Performance of a Heavy-Duty Diesel Engine Proceedings of the I Mech E Part D Journal of Automobile Engineering. 214: 111-126. DOI: 10.1243/0954407001527277  0.381
2000 Thompson GJ, Atkinson CM, Clark NN, Long TW, Hanzevack E. Technical Note: Neural network modelling of the emissions and performance of a heavy-duty diesel engine Proceedings of the Institution of Mechanical Engineers, Part D: Journal of Automobile Engineering. 214: 111-126. DOI: 10.1177/095440700021400201  0.381
2000 Wang WG, Lyons DW, Clark NN, Gautam M, Norton PM. Emissions from nine heavy trucks fueled by diesel and biodiesel blend without engine modification Environmental Science and Technology. 34: 933-939. DOI: 10.1021/Es981329B  0.563
1999 Clark NN, Jarrett RP, Atkinson CM. Field Measurements of Particulate Matter Emissions, Carbon Monoxide, and Exhaust Opacity from Heavy-Duty Diesel Vehicles. Journal of the Air & Waste Management Association (1995). 49: 76-84. PMID 29073855 DOI: 10.1080/10473289.1999.10463880  0.563
1999 Norton P, Frailey M, Clark NN, Lyons DW, Gautam M, Addy JM, Beck NJ. Chassis dynamometer emission measurements from trucks and buses using dual-fuel natural gas engines Sae Technical Papers. DOI: 10.4271/1999-01-3525  0.52
1999 Park T, Atkinson RJ, Clark NN, Traver ML, Atkinson CM. Operation of a compression ignition engine with a HEUI injection system on natural gas with diesel pilot injection Sae Technical Papers. DOI: 10.4271/1999-01-3522  0.409
1999 Norton P, Vertin K, Clark NN, Lyons DW, Gautam M, Goguen S, Eberhardt J. Emissions from buses with DDC 6V92 engines using synthetic diesel fuel Sae Technical Papers. DOI: 10.4271/1999-01-1512  0.559
1999 Atkinson CM, Thompson GJ, Traver ML, Clark NN. In-cylinder combustion pressure characteristics of Fischer-Tropsch and conventional diesel fuels in a heavy duty CI engine Sae Technical Papers. DOI: 10.4271/1999-01-1472  0.564
1999 Clark NN, Gautam M, Rapp BL, Lyons DW, Graboski MS, McCormick RL, Alleman TL, Norton P. Diesel and CNG Transit Bus Emissions Characterization By Two Chassis Dynamometer Laboratories: Results and Issues Sae Transactions. 108: 801-812. DOI: 10.4271/1999-01-1469  0.588
1999 Clark NN, Daley JJ, Nine RD, Atkinson CM. Application of the new City-Suburban heavy vehicle route (CSHVR) to truck emissions characterization Sae Technical Papers. DOI: 10.4271/1999-01-1467  0.377
1999 Clark NN, Atkinson CM, Thompson GJ, Nine RD. Transient emissions comparisons of alternative compression ignition fuels Sae Technical Papers. DOI: 10.4271/1999-01-1117  0.546
1999 Atkinson CM, Petreanu S, Clark NN, Atkinson RJ, McDaniel TI, Nandkumar S, Famouri P. Numerical simulation of a two-stroke linear engine-alternator combination Sae Technical Papers. DOI: 10.4271/1999-01-0921  0.333
1999 McKain DL, Clark NN. Speed and power regressions for quality control of heavy duty vehicle chassis dynamometer research Sae Technical Papers. DOI: 10.4271/1999-01-0614  0.31
1999 Clark NN, Lyons DW. Class 8 truck emissions testing: Effects of test cycles and data on biodiesel operation Transactions of the American Society of Agricultural Engineers. 42: 1211-1219. DOI: 10.13031/2013.13286  0.599
1999 Cawthorne WR, Famouri P, Chen J, Clark NN, McDaniel TI, Atkinson RJ, Nandkumar S, Atkinson CM, Petreanu S. Development of a linear alternator-engine for hybrid electric vehicle applications Ieee Transactions On Vehicular Technology. 48: 1797-1802. DOI: 10.1109/25.806772  0.414
1999 Ramamurthy R, Clark NN. Atmospheric emissions inventory data for heavy-duty vehicles Environmental Science and Technology. 33: 55-62. DOI: 10.1021/Es980692F  0.528
1999 Clark NN, Jarrett RP, Atkinson CM. Field measurements of particulate matter emissions, carbon monoxide, and exhaust opacity from heavy-duty diesel vehicles Journal of the Air and Waste Management Association. 49: 76-84.  0.478
1999 Wang WG, Lyons DW, Clark NN, Luo JD. Energy consumption analysis of heavy-duty vehicles for transient emissions evaluation on chassis dynamometer Proceedings of the Institution of Mechanical Engineers, Part D: Journal of Automobile Engineering. 213: 205-214.  0.366
1999 Nine RD, Clark NN, Daley JJ, Atkinson CM. Development of a heavy-duty chassis dynamometer driving route Proceedings of the Institution of Mechanical Engineers, Part D: Journal of Automobile Engineering. 213: 561-574.  0.452
1999 Clark NN, Gautam M, Wang W, Boyce JA, Lyons DW. Emissions performance of natural gas and diesel fueled school buses with Cummins 8.3 liter engines American Society of Mechanical Engineers, Internal Combustion Engine Division (Publication) Ice. 32.  0.45
1998 Clark NN, Nandkumar S, Famouri P. Fundamental analysis of a linear two-cylinder internal combustion engine Sae Technical Papers. DOI: 10.4271/982692  0.309
1998 Ramamurthy R, Clark NN, Atkinson CM, Lyons DW. Models for predicting transient heavy duty vehicle emissions Sae Technical Papers. DOI: 10.4271/982652  0.522
1998 Wayne WS, Clark NN, Atkinson CM. Numerical prediction of knock in a bi-fuel engine Sae Technical Papers. DOI: 10.4271/982533  0.393
1998 Norton P, Vertin K, Bailey B, Clark NN, Lyons DW, Goguen S, Eberhardt J. Emissions from trucks using fischer-tropsch diesel fuel Sae Technical Papers. DOI: 10.4271/982526  0.455
1998 Clark NN, Rapp BL, Gautam M, Wang W, Lyons DW. A long term field emissions study of natural gas fueled refuse haulers in New York city Sae Technical Papers. DOI: 10.4271/982456  0.568
1998 Bhargava S, Clark NN, Hildebrand MW. Exhaust gas recirculation in a lean-burn natural gas engine Sae Technical Papers. DOI: 10.4271/981395  0.429
1998 Wayne WS, Clark NN, Atkinson CM. A parametric study of knock control strategies for a bi-fuel engine Sae Technical Papers. DOI: 10.4271/980895  0.501
1998 Mace BE, Nine RD, Clark NN, Vanyo TJ, Remcho VT, Morrison RW, McLaughlin LW. Emissions from marine engines with water contact in the exhaust stream Sae Technical Papers. DOI: 10.4271/980681  0.371
1998 Wimmer RR, Fletcher J, Clark NN, McKain DL, Lyons DW. Emissions testing of a hybrid fuel cell bus Sae Technical Papers. DOI: 10.4271/980680  0.528
1998 Mckain DL, Clark NN, Mcdaniel TI, Hoppie JA. Chassis test cycle development for heavy-duty engine emissions test compliance Sae Technical Papers. DOI: 10.4271/980407  0.544
1997 Clark NN, Gautam M, Lyons DW, Bata RM, Wang W, Norton P, Chandler K. Natural gas and diesel transit bus emissions: Review and recent data Sae Technical Papers. DOI: 10.4271/973203  0.542
1997 Nine RD, Clark NN, MacE BE, Elgazzar L. Hydrocarbon speciation of a lean burn spark ignited engine Sae Technical Papers. DOI: 10.4271/972971  0.449
1997 Wang WG, Clark NN, Lyons DW, Yang RM, Gautam M, Bata RM, Loth JL. Emissions Comparisons from Alternative Fuel Buses and Diesel Buses with a Chassis Dynamometer Testing Facility Environmental Science & Technology. 31: 3132-3137. DOI: 10.1021/Es9701063  0.57
1996 Clark NN, Atkinson CM, McKain DL, Nine RD, El-Gazzar L. Speciation of hydrocarbon emissions from a medium duty diesel engine Sae Technical Papers. DOI: 10.4271/960322  0.508
1996 Craven KK, Clark NN. Ideal computer analysis of a novel engine concept Sae Technical Papers. DOI: 10.4271/960080  0.341
1995 Clark NN, Mott GE, Atkinson CM, Dejong RJ, Atkinson RJ, Latvakosky T, Traver ML. Effect of fuel composition on the operation of a lean burn natural gas engine Sae Technical Papers. DOI: 10.4271/952560  0.383
1995 Clark NN, Messer JT, McKain DL, Wang W, Bata RM, Gautam M, Lyons DW. Use of the West Virginia University Truck Test Cycle to Evaluate Emissions from Class 8 Trucks Sae Transactions. 104: 1-13. DOI: 10.4271/951016  0.458
1995 Tennant CJ, Atkinson RJ, Traver ML, Atkinson CM, Clark NN. The design of a Bi-fuel engine which avoids the penalties associated with natural gas operation Sae Technical Papers. DOI: 10.4271/950679  0.435
1995 Atkinson CM, Traver ML, Tennant CJ, Atkinson RJ, Clark NN. Exhaust emissions and combustion stability in a Bi-fuel spark ignition engine Sae Technical Papers. DOI: 10.4271/950468  0.463
1995 Messer JT, Clark NN, Lyons DW. Measurement delays and modal analysis for a heavy duty transportable emissions testing laboratory Sae Technical Papers. DOI: 10.4271/950218  0.491
1995 Atkinson CM, Traver ML, Tennant CJ, Atkinson RJ, Clark NN. Improving combustion stability in a bi-fuel engine Automotive Engineering International. 103: 77-80.  0.451
1994 Gautam M, Kelly B, Gupta D, Clark N, Atkinson R, El-Gazzar L, Lyons DW. Sampling Strategies for Characterization of the Reactive Components of Heavy Duty Diesel Exhaust Emissions Sae Transactions. 103: 439-449. DOI: 10.4271/942262  0.47
1994 Atkinson RJ, Tennant CJ, Traver ML, Atkinson CM, Clark NN. A controller for a spark ignition engine with Bi-fuel capability Sae Technical Papers. DOI: 10.4271/942004  0.398
1994 Tennant CJ, Atkinson RJ, Traver ML, Atkinson CM, Clark NN. Turbocharging a bi-fuel engine for performance equivalent to gasoline Sae Technical Papers. DOI: 10.4271/942003  0.439
1994 Clark NN, McKain DL, Todd Messer JT, Lyons DW. Chassis test cycles for assessing emissions from heavy duty trucks Sae Technical Papers. DOI: 10.4271/941946  0.426
1993 Gautam M, Nussear DL, Hong-Guang G, Clark NN, Wallace WE. Mutagenicity of diesel exhaust particulate matter in mining operations Journal of Environmental Science and Health. Part a: Environmental Science and Engineering and Toxicology. 28: 505-523. DOI: 10.1080/10934529309375892  0.443
1992 Ferguson DH, Gautam M, Wang WG, Clark NN, Lyons DW, Bata RM, Palmer GM, Katragadda S. Exhaust emissions from in-use heavy duty vehicles tested on a transportable transient chassis dynamometer Sae Technical Papers. DOI: 10.4271/922436  0.385
1992 Wang WG, Palmer GM, Bata RM, Clark NN, Gautam M, Lyons DW. Determination of heavy-duty vehicle energy consumption by a chassis dynamometer Sae Technical Papers. DOI: 10.4271/922435  0.567
1991 Bata R, Clark N, Gautam M, Howell A, Long T, Loth J, Lyons D, Palmer M, Rapp B, Smith JE, Wang W. The First Transportable Heavy Duty Vehicle Emissions Testing Laboratory Sae Transactions. 100: 433-440. DOI: 10.4271/912668  0.473
1988 Churchill RA, Smith JE, Clark NN, Turton RA. Low-heat rejection engines a concept review Sae Technical Papers. DOI: 10.4271/880014  0.425
1986 Clark NN, Dabolt RJ. A general design equation for air lift pumps operating in slug flow Aiche Journal. 32: 56-64. DOI: 10.1002/Aic.690320107  0.342
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