吸气式连续旋转爆震与来流相互作用

doi:10.7527/S1000-6893.2015.0210

流体力学与飞行力学

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吸气式连续旋转爆震与来流相互作用

王超¹, 刘卫东¹, 刘世杰¹, 蒋露欣¹, 苏义²

1. 国防科学技术大学高超声速冲压发动机技术重点试验室, 长沙 410073;
2. 陆军装备部武汉军代局驻常德军代室, 常德 415000

收稿日期:2015-04-28 修回日期:2015-07-27 出版日期:2016-05-15 发布日期:2015-08-18
通讯作者: 刘卫东,Tel.:0731-84574758 E-mail:WDLiu@nudt.edu.cn E-mail:WDLiu@nudt.edu.cn
作者简介:王超,男,博士研究生。主要研究方向:高超声速推进技术。Tel:0731-84574758 E-mail:emspire529@163.com;刘卫东,男,博士,教授,博士生导师。主要研究方向:高超声速推进技术。Tel:0731-84574758 E-mail:WDLiu@nudt.edu.cn
基金资助:
国家自然科学基金(51306202,51476186,91441201)

Interaction of air-breathing continuous rotating detonation with inflow

WANG Chao¹, LIU Weidong¹, LIU Shijie¹, JIANG Luxin¹, SU Yi²

1. Science and Technology on Scramjet Laboratory, National University of Defense Technology, Changsha 410073, China;
2. The Office of Wuhan Military Representative Bureau Army Equipment Department in Changde, Changde 415000, China

Received:2015-04-28 Revised:2015-07-27 Online:2016-05-15 Published:2015-08-18
Supported by:
National Natural Science Foundation of China (51306202, 51476186, 91441201)

摘要/Abstract

摘要：

以加热空气为氧化剂,氢气为燃料,开展了吸气式连续旋转爆震试验,研究了连续旋转爆震与来流的相互作用。通过测量隔离段和爆震燃烧室压力,发现了3种相互作用类型:类型1:连续旋转爆震对空气来流不产生影响;类型2:空气来流中存在高频压力振荡,且主频与连续旋转爆震波的传播频率相同,但来流总压不变;类型3:空气来流中存在与连续旋转爆震波传播频率相同的高频压力振荡,且来流总压升高。初步对比了爆震燃烧室尺寸的影响,结果表明随着爆震燃烧室面积的减小,连续旋转爆震对来流的影响增强,影响区域也向上游扩展。

关键词: 爆震推进, 吸气式爆震, 连续旋转爆震, 爆震/来流相互作用, 传播特性

Abstract:

Experiments on continuous rotating detonation (CRD) in the air-breathing mode were performed, and vitiated air and hydrogen were used as oxidizer and fuel, respectively. The pressures in the isolator and detonation combustor are acquired, and three types of interactions of the CRD with the air flow are found. In Type 1, the air flow in the isolator is not affected by the CRD, and neither high-frequency pressure oscillation in the isolator, nor total pressure rise of the air flow is excited. In Type 2, the CRD leads to high-frequency oscillation in the isolator and its dominant frequency is the same as the CRD; the total pressure of the air flow remains constant. In Type 3, the pressure in the isolator oscillates with the same high-frequency of the CRD and the total pressure of the air flow is increased. The influence of the detonation combustor size is preliminarily investigated and results show that the CRD strengthens as the detonation combustor size decreases, and the influence of the CRD propagates towards upstream.

Key words: detonation propulsion, air-breathing detonation, continuous rotating detonation, interaction of detenation with inflow, propagation characteristics

中图分类号:

V231.2

王超, 刘卫东, 刘世杰, 蒋露欣, 苏义. 吸气式连续旋转爆震与来流相互作用[J]. 航空学报, 2016, 37(5): 1411-1418.

WANG Chao, LIU Weidong, LIU Shijie, JIANG Luxin, SU Yi. Interaction of air-breathing continuous rotating detonation with inflow[J]. ACTA AERONAUTICAET ASTRONAUTICA SINICA, 2016, 37(5): 1411-1418.

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E-mail：hkxb@buaa.edu.cn

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主管单位：中国科学技术协会主办单位：中国航空学会北京航空航天大学

吸气式连续旋转爆震与来流相互作用

Interaction of air-breathing continuous rotating detonation with inflow

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