The Simulation Study on the Combustion Characters of Cold Starting in a Common Rail Diesel Engine

Qing Ping Zheng; Jie Zhong Zhang; Bo Li

doi:10.4028/www.scientific.net/AMR.516-517.70

Paper Titles

A Three Dimensional Simulation of M-ICAR Process
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CFD Simulation of a SCWO Reactor Containing a Hydrothermal Flame
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Experimental Study on CH₄ / Air Diffusion Combustion on the Upper Surface of Porous Media Packed Beds
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Research on Temperature Field and Heat Transfer inside Catalytic Combustion Furnace of Natural Gas
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The Simulation Study on the Combustion Characters of Cold Starting in a Common Rail Diesel Engine
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Thermodynamic Input-Output Analysis of Energy Utilization in Hubei Province
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Two-Dimensional Numerical Study of Temperature, Species Distributions in Coflow Laminar Diffusion Flames
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Analysis of the Evaporating Characteristics of the Grooved Micro Heat Pipe with Alkali Metals as Working Fluid
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Experimental Research on Plasma Discharge for Induction System of Internal Combustion Engine
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The Simulation Study on the Combustion Characters of Cold Starting in a Common Rail Diesel Engine

Abstract:

The simulation results shows that pilot injection, intake preheating, main injection advance angle have a big impact on ignition performance of diesel engine. After using pilot injection, the average cylinder pressure and temperature, and the accumulated heat release increased, ultimately the fuel efficiency had been improved. By using the intake preheating, combustion efficiency had been improved for combustible mixture gas formed easily and combustion conditions significantly improved in cylinder. Besides, an appropriate main injection advance angle could improve the combustion of ignition delay period and increased the engine power and fuel efficiency.