柴油机排气微粒物理特性及生成机理研究

Study on Physical Characteristics of Diesel Particulates

设计了柴油机排气微粒测量装置 ,对 S195非直喷式柴油机的排气微粒数量浓度、表面积浓度、体积浓度进行了测量 ,发现了非直喷式柴油机排气微粒数量浓度呈双峰分布的特性。通过研究柴油机排气微粒在不同转速和负荷下的物理分布特性 。

WT5”BZ]A diesel particulate measuring system was designed.The system is used to measure the quantity concentration,surface area concentration and volume concentration of IDI S195 diesel particulates,and the IDI diesel particulate quantity distribution was found to be of double peak style.The particulate formation mechanism was discussed by analysing its physcial characteristics under different diesel speeds and loads.The result can deepen the understanding of the particulate physical characteristics and formation mechanism. [WT5”HZ]