Abstract
Most of hydrocarbon (HC) and carbon monoxide (CO) emissions from automotive DI Diesel engines are produced during the engine warm-up period and are primarily caused by difficulties in obtaining stable and efficient combustion under these conditions. Furthermore, the contribution of engine starting to these emissions is not negligible; since this operating condition is highly unfavorable for the combustion progress. Additionally, the catalytic converter is ineffective due to the low engine temperature. In conjunction with adequate engine settings (fuel injection and fresh air control), either the glow plugs or the intake air heater are activated during a portion of the engine warm-up period, so that a nominal engine temperatures is reached faster, and the impact of these difficulties is minimized. Measurement of gaseous pollutants during engine warm-up is currently possible with detectors used in standard exhaust gas analyzers (EGA), which have response times well-suited for sampling at such transient conditions. However, these devices are not suitable for the measurement of exhaust emissions produced during extremely short time intervals, such as engine starting. Herein, we present a methodology for the measurement of the cumulative pollutant emissions during the starting phase of passenger car DI Diesel engines, with the goal of overcoming this limitation by taking advantage of standard detectors. In the proposed method, a warm canister is filled with an exhaust gas sample at constant volumetric flow, during a time period that depends on the engine starting time; the gas concentration in the canister is later evaluated with a standard EGA. When compared with direct pollutant measurements performed with a state-of-art EGA, the proposed procedure was found to be more sensitive to combustion changes and provided more reliable data.
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References
Arcoumanis, C. and Megaritis, A. (1992). Real-time measurement of particulate emissions in turbocharged DI diesel engine. SAE Paper No. 922390.
Arcoumanis, C., Megaritis, A. and Yao, X. G. (1994). Measurement of transient particulate emissions in a turbocharged DI diesel engine using two fast response ionizations detectors. IMechE Seminar on FRFID.
Arcoumanis, C. and Yao, X. G. (1994). Transient smoke and unburnt hydrocarbon emissions during cold-start in a turbo charged DI diesel engine. SAE Paper No. 944122.
Arrègle, J., Bermúdez, V., Serrano, J. R. and Fuentes, E. (2006). Procedure for engine transient cycle emissions testing in real-time. Exp. Ther. and Fl. Sci. 30,5, 485–496.
Blackwood, A., Tidmarsh, D. and Willcock, M. (1998). The effect of an oxidation catalyst on cold-start diesel emissions in the first 120 seconds of running. SAE Paper No. 980193.
Broatch, A., Luján, J. M., Serrano, J. R. and Pla, B. (2006). Pollutants instantaneous measurement and data analysis of engine-in-the-loop tests. Proc. Thiesel 2006 Conf. Thermo-and Fluid Dynamic Processes in Diesel Engines, Valencia, 197–210.
Cambustion Web Site: http://www.cambustion.com
Chan, S. H. (1996). Measurement of concentrations of transient gases using a conventional NDIR analyzer. Meas. Sci. Technol., 7, 1776–1786.
Chan, S. H., He, Y. S. and Ge, Y. (1999). An innovative carbon-atom-balance-based method for diesel particulate measurement. Meas. Sci. Technol., 10, 93–100.
Cheung, S. K., Elder, S. T. and Raine, R. R. (2000). Diesel particulate measurements with a light scattering (dispersa) photometer. SAE Paper No. 2000-01-1136.
Cho, Y. S. and Kim, D. S. (2005). Change of catalyst temperature with UEGI technology during cold start. Int. J. Automotive Technology 6,5, 445–451.
Choi, B. C., Yoon, Y. B., Kang, H. Y. and Lim, M. T. (2006). Oxidation characteristics of particulate matter on Diesel warm-up catalytic converter. Int. J. Automotive Technology 7,5, 527–534.
Comité des Constructeurs Français d’Automobiles. (2007). Web site: http://www.ccfa.fr
Cui, Y., Deng, K. and Wu, J. (2004). A modelling and experimental study of transient NOx emissions in turbocharged direct injection Diesel engines. Proc. Inst. Mech. Eng. D — J. Aut. Eng. 218,5, 535–541.
EEC (2002). Commission Directive 70/220/EEC and 2002/80/EC 2002. Official Journal of the European Communities.
Gupta, S., Poola, R. and Sekar, R. (2001). Issues for measuring diesel exhaust particulates using laser induced incandescence. SAE Paper No. 2001-01-0217.
Hawley, J. G., Bannister, C. D., Brace, C. J., Cox, A., Ketcher, D. and Stark, R. (2004). Vehicle modal emissions measurement-techniques and issues. Proc. Inst. Mech. Eng. D-J. Aut. Eng. 218,8, 859–873.
Heywood, J. B. (1988). Internal Combustion Engine Fundamentals. McGraw-Hill. New York.
Ishida, K., Asano, I., Gregory, D., Nakamura, S. and Fukushima, H. (2000). Signal processing and practical performance of a real-time PM analyzer using fast FIDs. SAE Paper No. 2000-01-1135.
Jones, B. L., Stollery, D. J., Clifton, J. M. and Wylie, T. F. (1997). In-service smoke and particulate measurements. SAE Paper No. 970748.
Kim, H., Yoon, S. and Lai, M. C. (2005). Study of correlation between wetted fuel footprints on combustion chamber walls and UBHC in engine start processes. Int. J. Automotive Technology 6,5, 437–444.
Korea Thermophysical Properties Data Bank (KDB). Web site: http://infosys.korea.ac.kr/kdb
Krenn, M., Kampelmühler, F., Weidinger, C., Mariani, G. and Masera, F. (2000). Evaluation of a new design for CVS (Constant Volume Sampling)-systems meeting the requirements of S-ULEV and EURO IV. SAE Paper No. 2000-01-0800.
Lindl, B. and Schmitz, H. G. (1999). Cold start equipment for diesel direct injection engines. SAE Paper No. 1999-01-1244.
Liu, F., Gareau, D., Gulder, O. L., Neil, W. S., Clavel, D. J., Snelling, D. R., Sawchuk, R. A., Bachalo, W. D., Chippior, W. L. and Smallwood, G. J. (2000). In-situ real-time characterization of particulate emissions from a diesel engine exhaust by laser-induced incandescence. SAE Paper No. 2000-01-1994.
Lu, J. H., Lee, H. R., Liou, C. C. and Szu, C. T. (1998). Diesel engine smoke measurements in the rapid acceleration test. SAE Paper No. 98411.
Madireddy, M. R. and Clark N. N. (2006). Sequencial inversion technique and differential coefficient approach for accurate instantaneous emission measurement. Int. J. Engine Reas. 7,6, 437–446.
Merkisz, J., Bielaczyc, P. and Pielecha, J. (2001). Cold start emissions performance from direct injection Diesel engine. EAEC European Automotive Cong., Bratislava.
Monoghan, M. L. (2000). Future gasoline and diesel enginereview. Int. J. Automotive Technology 1,1, 1–8.
Ogawa, H., Raihnanl, K. A., Lizuka, K. and Miyamoto, N. (1999). Cycle-to-cycle transient charateristics of diesel emissions during starting. SAE Paper No. 1999-01-3495.
Payri, F., Broatch, A., Serrano, J. R., Rodríguez, L. F. and Esmorís, A. (2006a). Study of the potential of intake air heating in automotive DI diesel engines. SAE Paper No. 2006-01-1233.
Payri, F., Broatch, A., Luján, J. M. and Pla, B. (2006b). Intake air heating impact on pollutant emissions in the MVEG cycle. 2006 SIA Conf.. Lyon.
Park, J.-K. (2007). Simulation of starting process of Diesel engine under cold conditions. Int. J. Automotive Technology 8,3, 289–298.
Seghers, P. (2001). Current methods/Technologies for measurement gaseous and PM emissions. STA Conf.. Barcelona.
Ueno, M., Akazaki, S., Yasui, Y. and Iñaki, Y. (2000). A quick warm-up system during engine start-up period using adaptative control of intake air and ignition timing. SAE Paper No. 2000-01-0551.
Wachter, W. F. (1990). Analysis of transient emission data of a model year 1991 heavy duty diesel engine. SAE Paper No. 900443.
Zhao, Y. and Winterbone, D. E. (1993). A study of warm-up processes in SI engine exhaust systems. SAE Paper No. 931049.
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Broatch, A., Luján, J.M., Ruiz, S. et al. Measurement of hydrocarbon and carbon monoxide emissions during the starting of automotive DI Diesel engines. Int.J Automot. Technol. 9, 129–140 (2008). https://doi.org/10.1007/s12239-008-0017-6
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DOI: https://doi.org/10.1007/s12239-008-0017-6