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首页> 外文期刊>The Journal of the Acoustical Society of America >Acoustic radiation force on a spherical particle in a viscous heat-conducting fluid. III. Force on a liquid drop
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Acoustic radiation force on a spherical particle in a viscous heat-conducting fluid. III. Force on a liquid drop

机译：粘性导热流体中球形颗粒上的声辐射力。三，强制液滴

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摘要

The general expression derived in Part I of this work [J. Acoust. Soc. Am. 101, 713–721 (1997)] for the acoustic radiation force exerted by a sound field on a spherical particle in a viscous heat-conducting fluid is applied here to a liquid drop. To demonstrate dissipative effects clearly, two limiting cases are studied. In both cases, the sound wavelength is taken to be much larger than other characteristic parameters of the system, such as the drop radius and the viscous and thermal wavelengths both outside and inside the drop. Within this assumption, two reverse situations are considered, in the first of which the dissipative effects are assumed to be weak, and in the second, to be strong. For each of these two cases, three types of incident wave are dealt with: a plane traveling wave, a plane standing wave, and a diverging spherical wave. Emphasis is given to the thermal effects on the radiation force. These are found to be greatest in the traveling and spherical waves, while in the standing wave, for both limiting cases, the thermal effects only give rise to small corrections to the leading terms due to compressibility and viscosity.
机译：本文第一部分中的一般表达[J． co Soc。上午。 [101，713–721（1997）]中将声场施加在粘性导热流体中的球形颗粒上的声辐射力施加到液滴上。为了清楚地证明耗散效果，研究了两个极限情况。在这两种情况下，声音波长都被认为比系统的其他特征参数大得多，例如液滴半径以及液滴外部和内部的粘性和热波长。在此假设下，考虑了两种相反的情况，第一种情况的耗散效应被认为是弱的，第二种情况的耗散效应被认为是强的。对于这两种情况，分别处理三种类型的入射波：平面行波，平面驻波和发散球面波。重点放在热对辐射力的影响上。发现在行波和球面波中这些值最大，而在驻波中，对于这两种极限情况，由于可压缩性和粘度，热效应只会对前导项进行较小的校正。

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