脉动气泡间二次Bjerknes力符号反转的另一种解释
Alternative interpretation of the sign reversal of secondary Bjerknes force acting between two pulsating gas bubbles
摘要：
已知在特定情况下，作为作用在脉动气泡之间的辐射力的次级Bjerknes力改变，例如，从吸引到排斥。本文对两个球形气泡的这种现象进行了理论讨论。本文基于对相互作用气泡跃迁频率的分析[M. Ida，Phys. Lett. A 297，210（2002）]提供了一种解释，与以前的解释不同（例如，Doinikov和Zavtrak [Phys.Fluids 7，1923（1995）]）。它示出，例如，反转时发生的一个气泡是较小的，另一个是大于共振尺寸是由于第二高的过渡频率的较小的气泡，这是不能使用传统的自然频率分析。
英文摘要：
It is known that in a certain case, the secondary Bjerknes force, which is a radiation force acting between pulsating bubbles, changes, e.g., from attraction to repulsion as the bubbles approach each other. In this paper, a theoretical discussion of this phenomenon for two spherical bubbles is described. The present theory based on analysis of the transition frequencies of interacting bubbles [M. Ida, Phys. Lett. A 297, 210 (2002)] provides an interpretation, different from previous ones (e.g., by Doinikov and Zavtrak [Phys. Fluids 7, 1923 (1995)]), of the phenomenon. It is shown, for example, that the reversal that occurs when one bubble is smaller and another is larger than a resonance size is due to the second-highest transition frequency of the smaller bubble, which cannot be obtained using traditional natural-frequency analysis.
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