Numerical Simulation of Nozzle Flow Field with Secondary Injection Thrust Vector Control

被引：2
|
作者：
Noaman, H. R. [1 ]
Bin, Tang Hai [1 ]
Khalil, Elsayed [2 ]
机构：
[1] Beihang Univ, Sch Astronaut, Beijing, Peoples R China
[2] Mil Tech Coll, Aerosp Dept, Cairo, Egypt
来源：
2018 2ND INTERNATIONAL CONFERENCE ON MECHANICAL, MATERIAL AND AEROSPACE ENGINEERING (2MAE 2018) | 2018年 / 179卷
关键词：
GAS INJECTION; PERFORMANCE;
D O I：
10.1051/matecconf/201817901003
中图分类号：
V [航空、航天];
学科分类号：
08 ; 0825 ;
摘要：
Numerical simulations are performed to characterize the secondary injection thrust vector control. For this objective the following measurements were taken: considering the flow to be compressible and turbulent using Realizable k-epsilon turbulence model accompanied by enhanced wall treatment, the comparison between the CFD results and the experimental results shows a very good agreement. Then a parametric study on injection mass flow rate (changing secondary stagnation pressure) with the same injection location and injection angle is done. The results stated that increasing the injectant mass flow rate lead to shock impingement from opposite wall at secondary stagnation pressure 1.4 of the primary stagnation pressure.
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页数：10
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