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根据Ciaravino、Flynn和Miller的模型,由适当射频脉冲产生的瞬态空化可使一系列小的不稳定空化核在一次脉冲作用后保持下来,这种空化核适于在脉冲中产生瞬态空化,与适合瞬态空化的空化核全部参加空化过程的连续波相比,只要两个脉冲之间大气泡向外扩散气体,小的空化核就会重新增多。结果是,随着声作用时间增加,瞬态空化的活性也增强。因而,适当
According to Ciaravino, Flynn, and Miller’s model, transient cavitation created by the proper radio frequency pulse maintains a series of small unstable cavitations after a single pulse, which cavitation nucleus is adapted to produce instantaneous The state of cavitation, compared with the continuum of cavitation nuclei suitable for transient cavitation all participate in the cavitation process, the small cavitation nuclei will increase as long as the large bubbles diffuse outwards between the two pulses. As a result, as cavitation time increases, transient cavitation activity also increases. Therefore, appropriate