Constrained large-eddy simulation of a spatially evolving supersonic turbulent boundary layer at M=2.25

被引：4
|
作者：
Ji, Yongchao [1 ]
Jiang, Zhou [1 ]
Xia, Zhenhua [2 ]
Chen, Shiyi [3 ,4 ]
机构：
[1] Chongqing Univ, Coll Aerosp Engn, 174 Shazheng St, Chongqing 400044, Peoples R China
[2] Zhejiang Univ, Dept Engn Mech, Hangzhou 310027, Peoples R China
[3] Southern Univ Sci & Technol, Shenzhen Key Lab Complex Aerosp Flows, Dept Mech & Aerosp Engn, Ctr Complex Flows & Soft Matter Res, Shenzhen 518055, Peoples R China
[4] Peking Univ, State Key Lab Turbulence & Complex Syst, Beijing 100871, Peoples R China
来源：
PHYSICS OF FLUIDS | 2021年 / 33卷 / 12期
基金：
中国国家自然科学基金;
关键词：
DIRECT NUMERICAL-SIMULATION; SUBGRID-SCALE MODEL; HYBRID LES-RANS; FLOW; INTERFACE; VERSION;
D O I：
10.1063/5.0073139
中图分类号：
O3 [力学];
学科分类号：
08 ; 0801 ;
摘要：
A spatially developing supersonic flat plate boundary layer flow at M & INFIN; = 2.25 is analyzed using the constrained large-eddy simulation (CLES) method. The Reynolds number based on the momentum thickness of the inlet boundary layer is R e theta = 3429. The mean and statistical quantities, including mean velocity, mean temperature, and total temperature, are obtained and compared among the present approach, large eddy simulation (LES) with the dynamic Smagorinsky model, detached eddy simulation (DES), and naturally developed direct numerical simulation (ND-DNS). As a result, CLES can predict these mean quantities and statistics more accurately than LES and DES, and the results are in good agreement with the ND-DNS data. This demonstrates that CLES is an effective method for spatially developing supersonic flat-plate boundary layer flows.
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页数：10
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