Viscous Sound-Vortex Interaction in a Du
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J.Z. Wu; H.Y. Ma; J.M. Wu
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Article
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1994
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Elsevier Science
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English
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The theory of sound refraction by shear layers, established two decades ago, is revisited from the viewpoint of sound-vortex interaction: vortical waves are generated by sound on the duct rigid wall through viscosity, and these acoustically created vortical waves in turn serve as a source of sound.