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Acoustic radiation torque on a particle in a fluid: An angular spectrum based compact expression

Abstract : In this work, a set of compact analytical formulas is derived expressing the three-dimensional acoustic radiation torque (ART) exerted on a particle of arbitrary shape embedded in a fluid and insonified by an arbitrary acoustic field. This formulation enables direct computation of the ART from the angular spectrum based beam shape coefficients introduced by Sapozhnikov and Bailey [J. Acoust. Soc. Am. 133, 661–676 (2013)] and the partial wave coefficients. It is particularly well suited to determine the ART exerted on a particle when the acoustic field is known in a source plane.
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https://hal.archives-ouvertes.fr/hal-03329995
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Submitted on : Tuesday, August 31, 2021 - 2:16:34 PM
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Zhixiong Gong, Michael Baudoin. Acoustic radiation torque on a particle in a fluid: An angular spectrum based compact expression. Journal of the Acoustical Society of America, Acoustical Society of America, 2020, 148 (5), pp.3131-3140. ⟨10.1121/10.0002491⟩. ⟨hal-03329995⟩

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