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采用光偏转(OBD)测试系统对不同表面张力液体中激光空泡脉动特性进行了实验研究,探测了不同表面张力液体中空泡前2次脉动的全过程,分析了液体表面张力变化对空泡脉动特性的影响。结果表明:表面张力延缓了空泡的膨胀过程,加速了空泡的收缩,缩短了空泡脉动周期;表面张力越大,空泡对应的最大泡半径越小而收缩所能达到的最小泡半径亦越小;表面张力加强了空泡泡能的损失。
The pulsating characteristics of laser cavities in different surface tension liquids were experimentally studied by the optical deflection (OBD) test system. The whole process of the first two pulsations in the liquid with different surface tension was probed. The effects of liquid surface tension on the pulsation of the cavitation Effect of characteristics. The results show that the surface tension slows the expansion process of cavitations, accelerates the shrinkage of cavitations and shortens the cycle of cavitation bubble. The larger the surface tension is, the smaller the maximum bubble radius corresponding to cavitations is, and the smallest bubble radius The smaller the surface tension enhances the bubble bubble energy loss.