涡轮基组合循环发动机超级燃烧室燃烧性能试验

朱志新; 何小民; 薛冲; 洪亮; 秦伟林

doi:10.13224/j.cnki.jasp.2015.09.009

涡轮基组合循环发动机超级燃烧室燃烧性能试验

doi: 10.13224/j.cnki.jasp.2015.09.009

1. 南京航空航天大学能源与动力学院江苏省航空动力系统重点实验室, 南京 210016;
2. 中国航天科工集团北京动力机械研究所高超声速冲压发动机技术重点实验室, 北京 100074

基金项目:

江苏省普通高校研究生科研创新计划(CXZZ13_0179)

详细信息

作者简介:
朱志新(1987-),男,江苏如皋人,博士生,主要从事航空发动机燃烧室和燃烧理论的研究.

中图分类号: V236
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出版历程
- 收稿日期: 2014-03-12
- 刊出日期: 2015-09-28

Experiment on performance of a hyper-combustor utilized in turbine based combined cycle engine

1. Jiangsu Province Key Laboratory of Aerospace Power System, College of Energy and Power Engineering, Nanjing University of Aeronautics and Astronautics, Nanjing 210016, China;
2. Science and Technology on Scramjet Laboratory, Beijing Power Machinery Institute, China Aerospace Science and Industry Corporation, Beijing 100074, China

摘要

摘要: 对涡轮基组合循环(turbine based combined cycle,TBCC)发动机超级燃烧室进行了试验研究.首先设计了超级燃烧室模型及相关的试验系统,并在此基础上开展了不同进口速度系数、温度和油气比下点火特性、贫油熄火特性和燃烧效率等燃烧室性能的试验研究.研究结果表明:随着内涵进口速度系数(0.10~0.25)的增加,点火当量比先减小后增加,熄火当量比逐渐增加,燃烧效率提高;随着内涵进口温度(573~873K)的增加,点火当量比和熄火当量比减小,燃烧效率提高;随外涵进口速度系数、温度的增加,燃烧效率提高.试验中获得最小点火当量比为0.984,最小熄火当量比为0.6.
- 涡轮基组合循环 /
- 超级燃烧室 /
- 火焰稳定器 /
- 燃烧试验 /
- 燃烧性能
Abstract: Experiments were conducted on a hyper-combustor of the turbine based combined cycle engine. First a model hyper-combustor rig and experimental system were designed, and then experiments were conducted to study the combustion performance including ignition characteristic, lean blowout characteristic and combustion efficiency under different inlet velocity coefficient, inlet temperature and fuel/air ratio(FAR). The test results show that the ignition equivalence ratio firstly decreases and then increases,lean blowout equivalence ratio and combustion efficiency increase with the turbo duct inlet velocity coefficient increasing from 0.10 to 0.25.The ignition and lean blowout equivalence ratio decrease and combustion dfficiency increases when the turbo duct inlet temperature increasing from 573K to 873K. Similarly the combustion efficiency increases when the bypass duct inlet velocity coefficient or temperature increases. The minimum ignition and lean blowout equivalence ratio obtained from the experiment is 0.984 and 0.6 respectively.
- turbine based combined cycle /
- hyper-combustor /
- flame holder /
- combustion experiment /
- combustion performance

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参考文献(18)

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