Numerical Study on Combined Thermal Protection System on Hypersonic Vehicle and Structure Parameters Influence of Acoustic Cavity

被引：1
|
作者：
Sheng, Xin [1 ]
Lu, Xi [1 ]
Zhang, Jianrun [1 ]
机构：
[1] Southeast Univ, Nanjing 211189, Peoples R China
来源：
2021 12TH INTERNATIONAL CONFERENCE ON MECHANICAL AND AEROSPACE ENGINEERING (ICMAE) | 2021年
关键词：
numerical simulation; opposing jet; acoustic cavity; supersonic vehicle; OPPOSING JET; REDUCTION; DRAG;
D O I：
10.1109/ICMAE52228.2021.9522459
中图分类号：
V [航空、航天];
学科分类号：
08 ; 0825 ;
摘要：
Hemispherical blunt model and numerical simulation method are used to investigate the thermal protection effects of combinational opposing jet and acoustic cavity concept with various structural parameters. Value conversion and solver selection are operated for more accurate simulation. The results illustrate that the shock wave structure has a negative relation with the height of cavity. Length-to- diameter ratio should be comprehensive considered when designing the nozzle of supersonic vehicles.
引用
收藏
页码：343 / 347
页数：5
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