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介绍了一种实验测定与理论分析相结合的汽油机缸内过程性能分析方法。通过实测汽油机示功图对缸内燃烧过程的实际情况进行分析，并借助于缸内过程分析模型判断各种因素对性能的影响，从而指出性能改进的方向。结合具体的机型进行分析表明，该性能分析方法适合于当前国内汽油机产品发展的需要。
A method for analyzing the performance of gasoline engine in-cylinder process based on experimental measurement and theoretical analysis is introduced. The actual situation of the combustion process in the cylinder was analyzed by the measured engine dynamometer, and the influence of various factors on the performance was analyzed by means of the in-cylinder process analysis model to point out the direction of performance improvement. The analysis based on the specific model shows that the performance analysis method is suitable for the current domestic gasoline engine product development needs.