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Title: Mach-Number-Invariant Mean-Velocity Profile of Compressible Turbulent Boundary Layers
Author: Zhang YS; Bi WT; Hussain F; Li XL(李新亮); She ZS
Source: Physical Review Letters
Issued Date: 2012-08
Volume: 109, Issue:5, Pages:054502
English Abstract: A series of Mach-number- (M) invariant scalings is derived for compressible turbulent boundary layers(CTBLs), leading to a viscosity weighted transformation for the mean-velocity profile that is superior to van Driest transformation. The theory is validated by direct numerical simulation of spatially developing CTBLs with M up to 6. A boundary layer edge is introduced to compare different M flows and is shown to better present the M-invariant multilayer structure of CTBLs. The new scalings derived from the kinetic energy balance substantiate Morkovin’s hypothesis and promise accurate prediction of the mean profiles of CTBLs.
Language: 英语
Indexed Type: SCI ; EI
Related URLs: 查看原文
DOC Type: Article
WOS ID: WOS:000306994900013
ISSN: 0031-9007
Subject: 流体力学 ; 流体力学::湍流
Department: LHD可压缩湍流
Classification: 一类
Citation statistics:
Content Type: 期刊论文
URI: http://dspace.imech.ac.cn/handle/311007/45680
Appears in Collections:高温气体动力学国家重点实验室_期刊论文

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Recommended Citation:
You-Sheng Zhang, Wei-Tao Bi, Fazle Hussain, Xin-Liang Li, Zhen-Su She.Mach-Number-Invariant Mean-Velocity Profile of Compressible Turbulent Boundary Layers[J].PHYSICAL REVIEW LETTERS,2012,109, 054502
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