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Article

Key Parameters Investigation on Small Cycle Fuel Injection Quantity for a Diesel Engine Electronic Unit Pump System

College of Power and Energy Engineering, Harbin Engineering University,Harbin, Heilongjiang, China
World Electr. Veh. J. 2010, 4(3), 603-609; https://doi.org/10.3390/wevj4030603
Published: 24 September 2010

Abstract

In order to meet the China’s PHASE III and emission Ⅳ legislations, Electronic Unit Pump (EUP) system has been used by many diesel engine companies in China. The fluctuation on small cycle fuel injection quantity (SCFIQ) has great influence on the stability at small load operation of the diesel engine. A numerical model of the EUP system was built in the AMESim environment for the purpose of computing and analyzing the fluctuation on the SCFIQ. The influence of the different parameters on small cycle fuel injection quantity fluctuation (SCFIQF) has been obtained by the AMESim simulation model. By computing and analyzing, the quantitative percentage index of the influence on SCFIQ caused by different parameters also has been obtained. The influence percentage of injector characteristic parameters is from 35.8% to 60.8%, plunger characteristic parameters is from 20.3% to 34.8%, low pressure supply fuel characteristics is from 0 to 20.2%, and valve characteristic parameters is form 6.6% to 23.2% with the revolution range from 500r/min to 1300r/min. Based on the design of experiment (DOE) method, take the without interaction and interaction into consideration, the correlations of SCFIQ and different factors have been obtained and analyzed. Copyright Form of EVS25.
Keywords: EUP; SCFIQ; quantitative percentage index; correlation EUP; SCFIQ; quantitative percentage index; correlation

Share and Cite

MDPI and ACS Style

Fan, L.; Tian, B.; Ma, X. Key Parameters Investigation on Small Cycle Fuel Injection Quantity for a Diesel Engine Electronic Unit Pump System. World Electr. Veh. J. 2010, 4, 603-609. https://doi.org/10.3390/wevj4030603

AMA Style

Fan L, Tian B, Ma X. Key Parameters Investigation on Small Cycle Fuel Injection Quantity for a Diesel Engine Electronic Unit Pump System. World Electric Vehicle Journal. 2010; 4(3):603-609. https://doi.org/10.3390/wevj4030603

Chicago/Turabian Style

Fan, Liyun, Bingqi Tian, and Xiuzhen Ma. 2010. "Key Parameters Investigation on Small Cycle Fuel Injection Quantity for a Diesel Engine Electronic Unit Pump System" World Electric Vehicle Journal 4, no. 3: 603-609. https://doi.org/10.3390/wevj4030603

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