Fast Discrete Resolution of Combustion Process in Diesel Engine by Cylinder Pressure Parameter
In order to meet the requirement of getting combustion information quickly and saving calculation time, cylinder pressure difference method was introduced to study combustion condition. Cylinder pressure is used to be combustion indication flag in order to meet combustion information requirement, math algorithm of fast dispersed resolution to combustion process by pressure difference is presented. Combustion intensity, phase and heatreleasing rate are provided to describe combustion condition. Geometry character variable in pressure difference curve are selected as character parameters to specialize overall combustion character, relation of pressure character index with injection timing and injection quantity was resolved by simulation and measurement of pressure data, and change trend of each pressure character index with diesel engine emission NO x based on experimental data was analyzed. The results indicated that fast discrete resolution for combustion process with pressure parameter was effective.
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Document Type: Research Article
Publication date: 2012-03-01
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