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首页> 外文期刊>The Journal of the Acoustical Society of America >Phase-shift expansions for approximate radiation forces on solid spheres in inviscid-acoustic standing waves (L)
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Phase-shift expansions for approximate radiation forces on solid spheres in inviscid-acoustic standing waves (L)

机译:用于近似辐射力的相换辐射在耐火声 - 声波(L)中的固体球上的近似辐射力

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摘要

Previously acoustic radiation forces on spheres have been expressed using scattering phase shifts associated with the corresponding traveling wave scattering situation. That approach is applied here to spheres in inviscid standing waves that are solid, fixed-rigid, or movable-rigid of finite density. Low frequency truncated expansions of the phase shifts result in expressions for radiation forces that have simple forms. The expansion expresses the leading finite-size correction to the common low-frequency approximation associated with Rayleigh scattering in which the radiation force is proportional to the solid sphere's volume. (C) 2017 Acoustical Society of America.
机译:已经使用与相应的行驶波散射情况相关联的散射相移表达了用于球体上的声学辐射力。 此处应用于诸如固体,固定刚性或可移动的有限密度的固体静态波的球体。 相移的低频截短扩展导致具有简单形式的辐射力的表达式。 扩展表达了与瑞利散射相关的常见低频近似的领先有限尺寸校正,其中辐射力与固体球的体积成比例。 (c)2017年声学社会。

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