Influence of pre-injection control parameters on main-injection fuel quantity for an electronically controlled double-valve fuel injection system of diesel engine

Enzhe Song , Liyun Fan , Chao Chen , Quan Dong , Xiuzhen Ma , Yun Bai

Journal of Marine Science and Application ›› 2013, Vol. 12 ›› Issue (3) : 366 -373.

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Journal of Marine Science and Application ›› 2013, Vol. 12 ›› Issue (3) : 366 -373. DOI: 10.1007/s11804-013-1199-5
Research Paper

Influence of pre-injection control parameters on main-injection fuel quantity for an electronically controlled double-valve fuel injection system of diesel engine

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Abstract

A simulation model of an electronically controlled two solenoid valve fuel injection system for a diesel engine is established in the AMESim environment. The accuracy of the model is validated through comparison with experimental data. The influence of pre-injection control parameters on main-injection quantity under different control modes is analyzed. In the spill control valve mode, main-injection fuel quantity decreases gradually and then reaches a stable level because of the increase in multi-injection dwell time. In the needle control valve mode, main-injection fuel quantity increases with rising multi-injection dwell time; this effect becomes more obvious at high-speed revolutions and large main-injection pulse widths. Pre-injection pulse width has no obvious influence on main-injection quantity under the two control modes; the variation in main-injection quantity is in the range of 1 mm3.

Keywords

diesel engine / double-valve fuel injection system / pre-injection control parameters / main-injection fuel quantity

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Enzhe Song, Liyun Fan, Chao Chen, Quan Dong, Xiuzhen Ma, Yun Bai. Influence of pre-injection control parameters on main-injection fuel quantity for an electronically controlled double-valve fuel injection system of diesel engine. Journal of Marine Science and Application, 2013, 12(3): 366-373 DOI:10.1007/s11804-013-1199-5

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