Abstract
In order to evaluate fuel consumption and tailpipe emission of a vehicle, standard driving cycles are used to prescribe vehicle driving condition such as speed, gear shift, fluid temperature and so on. New european driving cycle (NEDC) has prevailed as the only driving cycle for emission and fuel consumption while Federal Test Procedure 75(FTP-75) mode is used in the United States. In South Korea, NEDC is applied for emission certification and FTP-75 mode is used for fuel consumption of a vehicle powered by diesel engine. Because these driving cycles are mixed of static phase (cruising and idle) and transient phase (acceleration and deceleration), they need to be transformed to static engine operation condition so that optimization is possible using engine dynamometer for each representative engine operation condition. This study set up two models to convert vehicle driving conditions to engine operation condition based on work which the engine should produce to follow the driving cycle and based on representative vehicle speed of NEDC. Accuracy of each model was compared with actual vehicle test result on a chassis dynamometer and the characteristics of each model were analyzed.
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References
D. Bosteels and H. Karlsson, Regulated and non-regulated emissions from modern european passenger cars, SAE Paper No. 2006-01-1516 (2006).
J. W. Lee, Y. I. Jeong, M. W. Jung, K. O. Cha, S. I. Kwon, C. J. Kim and S. Park, Experimental inverstigation and comprarison of nano-particle emission characteristics in lightduty vehicles for two different fuels, Int. J. Automotive Technology, 9(4) (2008) 397–403.
M. G. Choi and S. H. Chung, A study on the characteristics of fuel consumption rate according to the change of acceleration patterns in EEC mode, KASE, 04(6) (2004) 3–8.
B. H. Wang, Y. G. Luo and J. W. Zhang, Simulation of city 0 bus performance on actual urban dirving cycle in china, Int. J. Automotive Technology, 9(4) (2008) 501–507.
A. J. Torregrosa, A. Broatch, P. Olemeda and C. Romero, Assessment of the influence of different cooling system configuration on engine warm-up, emission and fuel consumption, Int. J. Automotive Technology, 9(4) (2008) 447–458.
G. B. Lim, H. S. Wi, J. I. Park, J. H. Lee and K. S. Park, Effect of engine friction on vehicle fuel economy during warm-up, KSAE, 16(6) (2008) 109–114.
J. B. Heywood, International combustion engine fundamentals, McGraw-Hill International (1998).
B. J. Shim, K. S. Park, J. S. Park and H. J. Lee, Analysis of engine operation mode for NEDC using coastdown test under in-gear vehicle condition, KSAE11-A0054 (2011) 296–300.
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Recommended by Associate Editor Kyoung Dong Min
Beom-joo Shim received his Ph.D. from Kyung Hee University, Korea in 2013. Dr. Shim is currently a senior research engineer in Ssangyong Motor Company, Korea. His research interests include diesel combustion, control strategy of HSDI diesel engine and vehicle.
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Shim, B.J., Park, K.S., Koo, J.M. et al. Work and speed based engine operation condition analysis for new European driving cycle (NEDC). J Mech Sci Technol 28, 755–761 (2014). https://doi.org/10.1007/s12206-013-1182-8
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DOI: https://doi.org/10.1007/s12206-013-1182-8