基于空泡动力学及概率统计理论，本文建议了一种预测绕流体初生空化数的方法。
Based on the bubble dynamics and the probability theory, a method for estimating the incipient cavitation number is suggested.
根据计算流体力学理论对空化流场进行数值模拟，从理论上验证水力空化的发生效果。
Finally, numerical simulation based on computer fluid dynamic (CFD) has been made for verifying the effect of hydrodynamic cavitation theoretically.
本发明超声提取法的作用机理主要是超声力学产生的空化效应。
The mechanism of the ultrasonic extraction method of the invention mainly lies in the cavitation generated through the ultrasonic mechanics.
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