Simulation of Unsteady Cavity Flow

CHINESE JOURNAL OF COMPUTATIONAL PHYSICS ›› 2010, Vol. 27 ›› Issue (3): 375-380.

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Simulation of Unsteady Cavity Flow

MA Xiaoliang, YANG Guowei

LHD, Institute of Mechanics, Chinese Academy of Science, Beijing 100190, China

Received:2009-02-24 Revised:2009-07-07 Online:2010-05-25 Published:2010-05-25

Abstract

Abstract: Menter SST based detached eddy simulations (DES) is performed for transonic flow over an open cavity to study unsteady flow and acoustic fields.Sound pressure level (SPL) spectra and overall sound pressure level(OASPL) on surface of the cavity floor and the cavity back wall are computed.It shows that the second mode is dominant with the largest magnitude in SPL.

Key words: detached eddy simulations, cavity, sound pressure level, unsteady flow

CLC Number:

V211.1+5

MA Xiaoliang, YANG Guowei. Simulation of Unsteady Cavity Flow[J]. CHINESE JOURNAL OF COMPUTATIONAL PHYSICS, 2010, 27(3): 375-380.

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Simulation of Unsteady Cavity Flow

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