高温燃气引射系统对接试验验证

赵芳; 任泽斌; 王海锋; 李先锋; 史煜; 郭隆德

doi:10.11729/syltlx20190068

高温燃气引射系统对接试验验证

doi: 10.11729/syltlx20190068

赵芳^{1, 2,},
任泽斌^{1, 2},
王海锋^{1, 2, ,},
李先锋²,
史煜^{1, 2},
郭隆德²

1.
中国空气动力研究与发展中心空气动力学国家重点实验室, 四川绵阳 621000
2.
中国空气动力研究与发展中心设备设计及测试技术研究所, 四川绵阳 621000

详细信息

作者简介:
赵芳(1988-), 男, 湖南衡阳人, 硕士, 工程师。研究方向:燃气发生器试验, 风洞气动设计与试验。通信地址:四川省绵阳市二环路南段6号12信箱1分信箱(621000)。E-mail:zfcardc@163.com

通讯作者:
王海锋, E-mail: 1968683223@qq.com

中图分类号: V231.2;TK223.2
计量
- 文章访问数: 247
- HTML全文浏览量: 86
- PDF下载量: 12
- 被引次数: 0
出版历程
- 收稿日期: 2019-05-19
- 修回日期: 2019-08-26
- 刊出日期: 2020-06-25

Docking test verification of high temperature gas ejector system

ZHAO Fang^{1, 2
,},
REN Zebin^{1, 2},
WANG Haifeng^{1, 2
, ,},
LI Xianfeng²,
SHI Yu^{1, 2},
GUO Longde²

1.
State Key Laboratory of Aerodynamics, China Aerodynamics Research and Development Center, Mianyang Sichuan 621000, China
2.
Facility Design and instrumentation institute, China Aerodynamics Research and Development Center, Mianyang Sichuan 621000, China

摘要

摘要: 引射系统是化学激光器排气系统的核心组件。为提高排气系统引射效率并适应小型化、经济性等要求，提出一种采用燃气发生器产生高温燃气的引射气源方案，建立了"基于航空发动机单喷嘴燃烧室结构的燃气发生器+两级超声速引射器"组合的引射系统试验平台，开展了燃气发生器独立热试车，并实现了与引射器的对接试验。结果表明：燃气发生器点火可靠，运行稳定；在高温燃气的引射作用下，引射器启动迅速，工作平稳，各项性能指标优于设计值；引射燃气温度一定范围内的变化基本不影响引射器工作性能。相关研究结果可为引射系统方案设计及选取提供参考。
- 引射系统 /
- 化学激光器 /
- 燃气发生器 /
- 超声速引射器 /
- 对接试验
Abstract: The ejector system is the key component of the chemical laser exhaust system. In order to improve the ejection efficiency of the exhaust system and meet requirements of miniaturization and economy, an ejection gas source scheme based on the gas generator to generate high temperature gas is proposed. A test stand of the ejection system composed of a gas generator based on structure of aero-engine mono-injector combustor and the two-stage supersonic ejector is established. An independent thermal test of the gas generator has been carried out and a docking test with the ejector has been successfully realized. Results show that ignition of the gas generator is reliable and the operation is stable; the ejector starts quickly and works smoothly under the action of high temperature gas injection, and performance indexes are better than design points:the ejector-gas temperature variation within a certain range does not affect the ejector performance. Research results expand the application of the gas generator, and at the same time, provide a powerful reference for the design and selection of ejector system solutions in this field.
- ejector system /
- chemical laser /
- gas generator /
- supersonic ejector /
- docking test

HTML全文

图 1 燃气引射系统结构示意图

Figure 1. Structure diagram of combustion-gas ejector system

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图 2 燃气发生器结构示意图

Figure 2. Structure diagram of gas generator

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图 3 引射器结构示意图

Figure 3. Structure diagram of ejector

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图 4 燃气发生器热试车工作时序

Figure 4. Hot-test time sequence of gas generator

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图 5 燃气发生器设计工况工作压力曲线

Figure 5. Operation pressure curves of gas generator under design condition

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图 6 燃气发生器设计工况工作流量曲线

Figure 6. Operation mass flow-rate curves of gas generator under design condition

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图 7 燃气发生器设计工况发生器出口温度曲线

Figure 7. Temperature distribution of gas generator outlet under design condition

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图 8 燃气引射系统工作压力曲线

Figure 8. Operating pressure curves of ejector system

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图 9 燃气引射系统工作温度曲线

Figure 9. Operating temperature curves of gas-ejector system

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图 10 引射器入口总压曲线

Figure 10. Total pressure curve of the ejector inlet

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图 11 引射器沿程静压分布

Figure 11. Static pressure distribution along ejector wall

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图 12 引射气流温度对引射器入口总压的影响曲线

Figure 12. Total pressure curve of the ejector inlet under different ejection-flow temperatures

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表 1 燃气发生器设计参数

Table 1. Design parameters of gas generator

设计参数	数值
余气系数	3.0
总流量	26 kg/s
燃烧室压力(无量纲)	3.0~4.0
燃气总温	1100 K
出口温度偏差	±50 K

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表 2 引射器设计参数

Table 2. Design parameters of ejector

设计参数		数值
被引射气流总压		4.00 kPa
被引射流量		0.32 kg/s
引射马赫数	一级	5.0
引射马赫数	二级	3.9
引射流量	一级	0.62 kg/s
引射流量	二级	2.63 kg/s
引射压力(无量纲)	一级	2.41
引射压力(无量纲)	二级	2.83
引射温度	一级	800 K
引射温度	二级	900 K

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参考文献(16)

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