It was summarized for the length of cavitation cloud versus different nozzles with different pump pressures and ambient pressures based on the forming process of cavitation cloud.

• 在研究空泡云形成过程的基础上,总结了空泡云长度随泵压、围压的变化规律,指出空泡云长度随泵压增加而增加,随围压的增加,存在一最优的围压值,此时空泡云长度最大。