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本文利用激光纹影高速摄影技术，在常温定容弹装置上，研究了直喷式柴油机油泵－油管－油嘴供油系统在喷油压力为６０ＭＰａ～１００ＭＰａ时，喷孔直径、环境密度和壁面温度对自由射流和受限碰壁喷注的影响。
In this paper, using laser profiling and high-speed photographic technique, the effects of nozzle diameter, ambient density and wall temperature on injection pressure of 60MPa ~ 100MPa were studied at room temperature constant volume bombers. Impact on Free Jet and Restricted Wall Jetting.