【摘要】 通过改变喷油泵出油阀弹簧刚度及开启压力 ,借助特制的透明出油阀紧帽腔、CCD摄像机、高速A/ D采集卡、图像采集卡和微型计算机等测试及处理设备 ,对喷油系统中的汽泡现象进行了试验研究 ,揭示出了出油阀弹簧刚度及开启压力对出油阀紧帽腔中汽泡数量和汽泡分布区域的影响规律更多还原

【Abstract】 By altering delivery valve spring rigidity and opening pressure in the fuel injection pump,with the help of specially made transparent delivery valve holder,CCD video camera recorder,high speed A/D card,image collecting card,microcomputer and other measuring and processing equipment,an experimental investigation on bubble phenomenon in the fuel injection system was made.It reveals the law of effects of delivery valve spring rigidity and opening pressure on bubbles and distributing scopes of bubbles in the delivery valve holder.更多还原