Acoustic Calculation for Supersonic Turbulent Boundary Layer Flow

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	Acoustic Calculation for Supersonic Turbulent Boundary Layer Flow
	Li XL(李新亮); Fu DX(傅德薰); Ma YW(马延文); Gao H(高慧)
刊名	Chinese Physics Letters
	2009
通讯作者邮箱	lixl@imech.ac.cn
卷号	26 期号:9 页码:094701-1-4
关键词	DIRECT NUMERICAL-SIMULATION SOUND
ISSN号	0256-307X
通讯作者	李新亮
合作状况	其它
中文摘要	An approach which combines direct numerical simulation (DNS) with the Lighthill acoustic analogy theory is used to study the potential noise sources during the transition process of a Mach 2.25 flat plate boundary layer. The quadrupole sound sources due to the flow fluctuations and the dipole sound sources due to the fluctuating surface stress are obtained. Numerical results suggest that formation of the high shear layers leads to a dramatic amplification of amplitude of the fluctuating quadrupole sound sources. Compared with the quadrupole sound source, the energy of dipole sound source is concentrated in the relatively low frequency range.
学科主题	分层流
类目[WOS]	Physics, Multidisciplinary
研究领域[WOS]	Physics
关键词[WOS]	DIRECT NUMERICAL-SIMULATION ; SOUND
收录类别	SCI
语种	英语
WOS记录号	WOS:000269559000048
公开日期	2010-03-07
内容类型	期刊论文
源URL	[http://dspace.imech.ac.cn/handle/311007/33060]
专题	力学研究所_高温气体动力学国家重点实验室
推荐引用方式 GB/T 7714	Li XL,Fu DX,Ma YW,et al. Acoustic Calculation for Supersonic Turbulent Boundary Layer Flow[J]. Chinese Physics Letters,2009,26(9):094701-1-4.
APA	李新亮,傅德薰,马延文,&高慧.(2009).Acoustic Calculation for Supersonic Turbulent Boundary Layer Flow.Chinese Physics Letters,26(9),094701-1-4.
MLA	李新亮,et al."Acoustic Calculation for Supersonic Turbulent Boundary Layer Flow".Chinese Physics Letters 26.9(2009):094701-1-4.