Experiment Scheme Research on Afterbody Nozzle Plume Interferenece of Air-Breathing Hypersonic Vehicle Fly Condition

Journal of Propulsion Technology ›› 2014, Vol. 35 ›› Issue (10): 1310-1316.

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Experiment Scheme Research on Afterbody Nozzle Plume Interferenece of Air-Breathing Hypersonic Vehicle Fly Condition

Science and Technology on Scramjet Laboratory/Hypervelocity Aerodynamics Institute，China Aerodynamincs Research and Development Center，Mianyang 621000，China; Air-Breathing Hypersonic Technology research Center ，China Aerodynamincs Research and Development Center，Mianyang 621000，China;Air-Breathing Hypersonic Technology research Center ，China Aerodynamincs Research and Development Center，Mianyang 621000，China;Science and Technology on Scramjet Laboratory/Hypervelocity Aerodynamics Institute，China Aerodynamincs Research and Development Center，Mianyang 621000，China; Air-Breathing Hypersonic Technology research Center ，China Aerodynamincs Research and Development Center，Mianyang 621000，China;Air-Breathing Hypersonic Technology research Center ，China Aerodynamincs Research and Development Center，Mianyang 621000，China

Published:2021-08-15

模拟飞行条件下的吸气式高超声速飞行器后体尾喷流干扰问题实验方案研究 *

贺旭照^1,2,秦　思²,曾学军^1,2,周　凯²

中国空气动力研究与发展中心超高速空气动力学研究所/高超声速冲压发动机技术重点实验室，四川绵阳 621000; 中国空气动力研究与发展中心吸气式高超声速技术研究中心，四川绵阳 621000;中国空气动力研究与发展中心吸气式高超声速技术研究中心，四川绵阳 621000;中国空气动力研究与发展中心超高速空气动力学研究所/高超声速冲压发动机技术重点实验室，四川绵阳 621000; 中国空气动力研究与发展中心吸气式高超声速技术研究中心，四川绵阳 621000;中国空气动力研究与发展中心吸气式高超声速技术研究中心，四川绵阳 621000

作者简介:贺旭照(1977—)，男，博士，副研究员，研究领域为机体推进一体化设计，新概念气动布局。

Abstract

Abstract: The accurate simulation of afterbody nozzle plume interference is not only very important to predict the aerodynamic force of the large scale integrated vehicle，but also crucial to understand the mechanisms of the afterbody nozzle plume interference. Researches about the experiment scheme of plume interfere have been carried out based on similarity theory. The simulation of specific heat ratio of the hot plume of the scramjet outlet has been put forward by using the mixture gases of CF4 and air. The numerical simulation and validation have been accomplished for the afterbody flow disturbance problem of air-breathing hypersonic vehicle. By using numerical simulation software，numerical modeling for afterbody nozzle plume interference have been studied under flight condition and wind tunnel condition. According to the result of numerical simulation，this afterbody nozzle plume interference experiment scheme for the outflow of similar parameter in simulation is feasible.

Key words: Hypersonic；Plume interfere；Similar parameter；Experiment scheme

摘要： 后体尾喷流干扰问题的准确模拟，对大尺度一体化飞行器气动力预测及后体尾喷流干扰机理认识至关重要。为了研究后体尾喷流干扰问题，本文基于相似理论，开展了模拟内外流相似参数的喷流干扰实验方案研究。提出了采用CF4+Air混合气体形式，模拟超然冲压发动机出口热态喷流的比热比等相似参数，建立了模拟真实条件下的喷流干扰问题的模拟方案。采用数值仿真软件对飞行条件和风洞条件下后体尾喷流干扰问题进行了数值模拟，从数值模拟结果来看，模拟内外流相似参数的喷流干扰实验方案是完全可行的。

关键词: 高超声速；喷流干扰；相似参数；实验方案

HE Xu-zhao^1,2,QIN Si²,ZENG Xue-jun^1,2,ZHOU Kai². Experiment Scheme Research on Afterbody Nozzle Plume Interferenece of Air-Breathing Hypersonic Vehicle Fly Condition[J]. Journal of Propulsion Technology, 2014, 35(10): 1310-1316.

贺旭照,秦　思,曾学军,周　凯. 模拟飞行条件下的吸气式高超声速飞行器后体尾喷流干扰问题实验方案研究 *[J]. 推进技术, 2014, 35(10): 1310-1316.

References

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[15] 贺旭照. 高超声速飞行器气动力气动热数值模拟和超声速流动的区域推进求解 [D]. 绵阳: 中国空气动力研究与发展中心, 2007. (编辑:梅瑛)　*　收稿日期:2013-07-22；修订日期:2013-12-02。作者简介:贺旭照(1977—),男,博士,副研究员,研究领域为机体推进一体化设计,新概念气动布局。E-mail:hexuzhao@sina.com

Experiment Scheme Research on Afterbody Nozzle Plume Interferenece of Air-Breathing Hypersonic Vehicle Fly Condition

模拟飞行条件下的吸气式高超声速飞行器后体尾喷流干扰问题实验方案研究 *

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