Nummerical Simulation in Influence of Forward-Facing Cavity on Aerodynamic Heating of Hypersonic Vehicle

被引：15
|
作者：
Lu, Haibo [1 ]
Liu, Weiqiang [1 ]
机构：
[1] Natl Univ Def Technol, Coll Aerosp & Mat Engn, Changsha 410073, Hunan, Peoples R China
来源：
2012 INTERNATIONAL WORKSHOP ON INFORMATION AND ELECTRONICS ENGINEERING | 2012年 / 29卷
关键词：
Forward-facing cavity; Thermal protection; Hypersonic vehicle; Aerodynamic heating; CFD; ABLATION ONSET; NOSE-TIP;
D O I：
10.1016/j.proeng.2012.01.626
中图分类号：
TH [机械、仪表工业];
学科分类号：
0802 ;
摘要：
A CFD study on the effect of forward-facing cavity upon aerodynamic heating on the hypersonic vehicle nose is conducted, by means of which the flow field parameters, heat flux distribution along outer body surface are obtained. The numerical simulation result is validated by experiment and the cooling effect of the forward-facing cavity with different dimension is analyzed. The CFD results shows that the forward-facing cavity configuration dose well in cooling the nose of hypersonic vehicle especially at the stagnation point area. The deeper the cavity is, the smaller the heat flux is. The maximal heat flux along the outer body surface dose not locates at the peak of the sharp lip, but after it, and the length of the cavity (L) has little effect on the location of the maximal heat flux. (C) 2011 Published by Elsevier Ltd. Selection and/or peer-review under responsibility of Harbin University of Science and Technology
引用
收藏
页码：4096 / 4100
页数：5
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