Direct simulation of acoustic radiation with a feedback loop around a trailing edge of a curved plate with an upstream kink shape in a laminar boundary layer

Direct simulation of acoustic radiation with a feedback loop around a trailing edge of a curved plate with an upstream kink shape in a laminar boundary layer

Intense tonal sound radiates from flows around a trailing edge with an upstream kink shape such as found in an automotive body. To clarify the acoustic radiation mechanism and the effects of the kink shape angle on tonal sound, direct numerical simulations (DNS) of flows and sound fields and wind tu...

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Bibliographic Details
Main Authors: Hiroshi YOKOYAMA, Taishi SHINOHARA, Takahiro NAKAJIMA, Masashi MIYAZAWA, Akiyoshi IIDA
Format: Article
Language:Japanese
Published: The Japan Society of Mechanical Engineers 2015-04-01
Series:Nihon Kikai Gakkai ronbunshu
Subjects:
aeroacoustic
noise
fluid-acoustic interaction
trailing edge
vortex
computational fluid dynamics
direct simulation
Online Access:https://www.jstage.jst.go.jp/article/transjsme/81/826/81_15-00148/_pdf/-char/en

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https://www.jstage.jst.go.jp/article/transjsme/81/826/81_15-00148/_pdf/-char/en

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