| 膏体冲压发动机构型对燃烧效率的影响研究 |
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| 引用本文： | 张胜勇,毛根旺.膏体冲压发动机构型对燃烧效率的影响研究[J].固体火箭技术,2009,32(3). |
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| 作者姓名： | 张胜勇 毛根旺 |
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| 作者单位： | 西北工业大学燃烧、流动和热结构国家级重点实验室,西安,710072 |
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| 摘 要： | 膏体冲压发动机是在膏体发动机和冲压发动机基础上提出的一种新型组合动力装置.探讨了膏体冲压发动机的多种构型.并对其反应流场进行了数值模拟和燃烧效率分析.结果表明,采用将膏体富燃料直接喷射到补燃室的方式燃烧效率较高;随着进气道轴向距离的增加,补燃室头部的燃烧效率有所降低;随着进气道夹角的增加,补燃室燃烧效率略有增加.
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| 关 键 词： | 冲压发动机 膏体推进剂 燃烧效率 |
Effect of structure pattern of pasty propellant ramjet motors on combustion efficiency |
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| ZHANG Sheng-yong,MAO Gen-wang.Effect of structure pattern of pasty propellant ramjet motors on combustion efficiency[J].Journal of Solid Rocket Technology,2009,32(3). |
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| Authors: | ZHANG Sheng-yong MAO Gen-wang |
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| Institution: | National Key Lab.of Combustion;Flow and Thermo-structure;Northwestern Polytechnical University;Xi'an710072;China |
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| Abstract: | Pasty propellant ramjet motors is a new propulsion system based on pasty propellant motor and ramjet motor.Various structure patterns of pasty propellant ramjet motors are presented and combustion efficiency of various structure patterns based on numerical simulation result of the reacting flow field of the motors analyzed.The research result shows that the structure pattern in which the pasty fuel-rich propellant is directly injected into after-burning chamber has higher combustion efficiency,and the fores... |
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| Keywords: | ramjet motors pasty propellant combustion efficiency |
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