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Mach-Number-Invariant Mean-Velocity Profile of Compressible Turbulent Boundary Layers
Zhang YS; Bi WT; Hussain F; Li XL(李新亮); She ZS
Source PublicationPhysical Review Letters
2012-08
Volume109Issue:5Pages:054502
ISSN0031-9007
AbstractA 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.
Subject Area流体力学 ; 湍流
URL查看原文
Indexed BySCI ; EI
Language英语
WOS IDWOS:000306994900013
DepartmentLHD可压缩湍流
Classification一类
Citation statistics
Document Type期刊论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/45680
Collection高温气体动力学国家重点实验室
Recommended Citation
GB/T 7714
Zhang YS,Bi WT,Hussain F,et al. Mach-Number-Invariant Mean-Velocity Profile of Compressible Turbulent Boundary Layers[J]. Physical Review Letters,2012,109(5):054502.
APA Zhang YS,Bi WT,Hussain F,李新亮,&She ZS.(2012).Mach-Number-Invariant Mean-Velocity Profile of Compressible Turbulent Boundary Layers.Physical Review Letters,109(5),054502.
MLA Zhang YS,et al."Mach-Number-Invariant Mean-Velocity Profile of Compressible Turbulent Boundary Layers".Physical Review Letters 109.5(2012):054502.
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