讲述了采用排气再循环会使柴油机进气温度升高，同时使进气质量和O2浓度减小。通过试验研究，分析了升高进气温度、减小进气质量对车用直喷式柴油机排放的影响。%This paper describes that using EGR will increases the dieselengine inlet charge temperature and lowers the charge mass as well as the oxygen concentration. Through the experimental investigation,the effects of increasing the inlet charge temperature and reducing the charge mass on vehicle DI diesel engine emissions are analysed.
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