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运用正交实验方法,研究了自激脉冲空化水射流喷嘴装置的结构参数(腔室直径和下游喷嘴长度)对冲蚀效果的影响。在此基础上作者选用较优参数组合的自激喷嘴装置与传统用13°锥角喷嘴进行了对比冲蚀实验,研究了自激脉冲空化水射流的体积冲蚀速度随靶距和泵压的变化规律。
The influence of structural parameters (chamber diameter and downstream nozzle length) on the erosion effect of self-excited pulsed cavitating water jet nozzle was studied by orthogonal experiment. Based on this, the authors compared the erosion experiment with the self-excited nozzle device with the optimal combination of parameters and the conventional 13 ° cone angle nozzle, and studied the volume erosion rate of self-excited pulsed cavitation water jet with the target distance and pump pressure The law of change.