On the use of thermally perfect gas model for heating prediction of laminar and turbulent SWBLI

被引：13

作者：

Jiang, Zhenhua ^{[1
]}

Yan, Chao ^{[1
]}

机构：

[1] Beijing Univ Aeronaut & Astronaut, Coll Aeronaut Sci & Engn, Beijing 100191, Peoples R China

来源：

AEROSPACE SCIENCE AND TECHNOLOGY | 2019年 / 95卷

基金：

中国国家自然科学基金;

关键词：

SWBLI; Thermally perfect gas; Hypersonic heating prediction; Characteristic WENO; BOUNDARY-LAYER; SIMULATION; SCHEMES;

D O I：

10.1016/j.ast.2019.105484

中图分类号：

V [航空、航天];

学科分类号：

08 ; 0825 ;

摘要：

The model of thermally perfect gas has been investigated in the heating prediction of laminar and turbulent shock wave boundary layer interaction (SWBLI) flows. The method of the polynomial curve fit coupling to thermodynamics equation is examined for higher temperature range. The characteristic weighted essentially non-oscillatory (WENO) scheme is utilized to capture the complex flow details and meantime stabilize the strong shocks in the SWBLI flows. Both the laminar and turbulent, steady and unsteady test cases are carried out to assess the performance of the designed method. Numerical results have substantiated the thermally perfect gas model as an effective model in the challenging SWBLI heating predictions in comparison with the existing model of calorically perfect gas. (C) 2019 Elsevier Masson SAS. All rights reserved.

引用

页数：14

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