控制流参数对涡流阀变推力固体发动机性能的影响

推进技术 ›› 2009, Vol. 30 ›› Issue (5): 571-575.

控制流参数对涡流阀变推力固体发动机性能的影响

魏祥庚,何国强,李江,陈剑,余晓京

西北工业大学燃烧、流动和热结构国家级重点实验室;西北工业大学燃烧、流动和热结构国家级重点实验室;西北工业大学燃烧、流动和热结构国家级重点实验室;西北工业大学燃烧、流动和热结构国家级重点实验室;西北工业大学燃烧、流动和热结构国家级重点实验室

发布日期:2021-08-15

Effects of control flow parameters on vortex valve SRM thrust modulation

National Key Lab.of Combustion,Flow and Thermo-Structure,Northwestern Polytechnical Univ.,Xi’an 710072,China;National Key Lab.of Combustion,Flow and Thermo-Structure,Northwestern Polytechnical Univ.,Xi’an 710072,China;National Key Lab.of Combustion,Flow and Thermo-Structure,Northwestern Polytechnical Univ.,Xi’an 710072,China;National Key Lab.of Combustion,Flow and Thermo-Structure,Northwestern Polytechnical Univ.,Xi’an 710072,China;National Key Lab.of Combustion,Flow and Thermo-Structure,Northwestern Polytechnical Univ.,Xi’an 710072,China

Published:2021-08-15

摘要/Abstract

摘要： 以涡流阀变推力发动机为研究对象,利用涡流阀变推力发动机实验系统以及三维数值模拟,研究了控制流压强、流量、速度以及温度对推力调节性能的影响。研究结果表明:在其他条件一样的情况下,提高控制流的温度能够提高发动机的推力调节比;提高控制流的流量会增加发动机的推力调节比;提高控制流的速度有利于提高发动机的推力调节比。

关键词: 固体推进剂火箭发动机;变推力火箭发动机;推力调节+;涡流阀+;数值仿真

Abstract: The effects of pressure,mass flow rate,velocity and temperature of control flow on the performance of thrust modulation in vortex valve SRM were studied experimentally and numerically.It shows that the increase of the temperature,mass flow rate and velocity of the control flow can all increase the thrust modulation ratio.

Key words: Solid propellant rocket motor;Rocket engine with variable thrust;Thrust modulation+;Vortex valve+;Numerical simulation

魏祥庚,何国强,李江,陈剑,余晓京. 控制流参数对涡流阀变推力固体发动机性能的影响[J]. 推进技术, 2009, 30(5): 571-575.