A Reynolds analogy model for compressible wall turbulence

被引：0
|
作者：
Cheng, Cheng [1 ,2 ]
Fu, Lin [1 ,3 ,4 ,5 ]
机构：
[1] Hong Kong Univ Sci & Technol, Dept Mech & Aerosp Engn, Kowloon, Clear Water Bay, Hong Kong, Peoples R China
[2] Hong Kong Univ Sci & Technol, Inst Adv Study, Kowloon, Clear Water Bay, Hong Kong, Peoples R China
[3] Hong Kong Univ Sci & Technol, Dept Math, Kowloon, Clear Water Bay, Hong Kong, Peoples R China
[4] HKUST Shenzhen Hong Kong Collaborat Innovat Res In, Shenzhen 518045, Peoples R China
[5] Hong Kong Univ Sci & Technol, Ctr Ocean Res Hong Kong & Macau CORE, Kowloon, Clear Water Bay, Hong Kong, Peoples R China
来源：
JOURNAL OF FLUID MECHANICS | 2024年 / 999卷
基金：
中国国家自然科学基金;
关键词：
compressible boundary layers; turbulent boundary layers; turbulence theory; DIRECT NUMERICAL-SIMULATION; BOUNDARY-LAYER; CHANNEL FLOWS; TEMPERATURE;
D O I：
10.1017/jfm.2024.981
中图分类号：
O3 [力学];
学科分类号：
08 ; 0801 ;
摘要：
In the present study, we propose a Reynolds analogy model for compressible wallturbulence. This model is demonstrated to be able to alleviate the defects of thegeneralized Reynolds analogy model (GRA) (Zhanget al.,J. Fluid Mech., vol. 739, 2014,pp. 392-420), and maintains its success in describing the meanvelocity-temperaturerelation. Furthermore, the present model is superior to the GRA in depicting therelationship between their fluctuating fields and also bridges the gap between thephenomenological model and the mathematical representation of the Reynolds analogy.The key points of the present model are validated byanalysing the data of compressiblewall-bounded turbulence with different Mach numbers, Reynoldsnumbers and wallthermal conditions.
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页数：15
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