Suppressing Knock of the Dual-Fuel Engine by Injection Timing under Pressure Boundary Conditions

Cheng Wei Zhang; Bing Xiao

doi:10.4028/www.scientific.net/AMM.291-294.1648

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 291-294Suppressing Knock of the Dual-Fuel Engine by...

Suppressing Knock of the Dual-Fuel Engine by Injection Timing under Pressure Boundary Conditions

Abstract:

The engine knock has direct relation with the energy release rate. The faster combustion speed is, the higher heat release rate is. If heat release rate is too high, it will deteriorate reliability of the engine. A dual-fuel engine combustion mechanism model is established and intake pressure boundary conditions influence on the dual-fuel engine reliability is studied. Injection timing can supress engine knock and inprove engine reliability. Studies have shown that the greater the intake pressure, the smaller injection timing should be selected and the smaller the intake pressure, the larger injection timing should be selected. Appropriate injection timing can ensure reliability and power of the engine.

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Periodical:

Applied Mechanics and Materials (Volumes 291-294)

Pages:

1648-1652

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.291-294.1648

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Online since:

February 2013

Authors:

Cheng Wei Zhang, Bing Xiao

Keywords:

Cylinder Pressure Rise Rate, Dual-Fuel Engine, Energy Release Rate, Injection Timing, Knock

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