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Article Dans Une Revue Journal of the Acoustical Society of America Année : 2019

Non-Reciprocal Scattering in Shear Flow

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Résumé

This work presents a study of scattering phenomena in shear flows and its application to impedance walls. These flows are described by a dimensionless shear layer thickness and a mean Mach number. Both transmission through a given shear layer and reflection on an acoustic treatment are studied. We show that the dimensionless thickness of the shear layer may be an interesting tool to reach perfect absorption or large lateral displacement of a Gaussian beam.
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Dates et versions

hal-02336972 , version 1 (29-10-2019)

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Charlotte Saverna, Yves Aurégan, Vincent Pagneux. Non-Reciprocal Scattering in Shear Flow. Journal of the Acoustical Society of America, 2019, 146 (2), pp.1051-1060. ⟨10.1121/1.5120523⟩. ⟨hal-02336972⟩
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