Calculation’s of interaction of acoustic waves with a two-dimensional free shear layer

S. Koshigoe; V. Yang; F. E.C. Culick

Calculation’s of interaction of acoustic waves with a two-dimensional free shear layer

S. Koshigoe, V. Yang, F. E.C. Culick

工學院

研究成果: Paper › 同行評審

摘要

The acoustic/vortical interaction in a two-dimensional free shear layer has been studied. The flowfield is represented by division into two parts: the vortical and the compressible flows. Each field is treated separately and linked with the other through the Bernoulli enthalpy. Acoustic waves are identified as unsteady compressible motions free of vorticity. Calculations have been carried out for the flowfields with and without externally imposed disturbances. Preliminary results reported here indicate that the motion of large coherent flow structures contributes significantly to sound generation. In particular, the formation of large structure and subsequent pairing appear globally as a quadrupole source.

原文	English
出版狀態	Published - 1985
事件	AlAA 23rd Aerospace Sciences Meeting, 1985 - Reno, United States 持續時間: 1985 一月 14 → 1985 一月 17

Conference

Conference	AlAA 23rd Aerospace Sciences Meeting, 1985
國家	United States
城市	Reno
期間	85-01-14 → 85-01-17

All Science Journal Classification (ASJC) codes

Aerospace Engineering

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引用此

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AU - Yang, V.

AU - Culick, F. E.C.

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