期刊文献+

富氢/富氧燃气同轴气-气喷嘴燃烧性能仿真与分析 被引量:4

Simulation and analysis on combustion performance of hydrogen-rich/oxygen-rich gas-gas coaxial injectors
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摘要 为研究全流量补燃循环发动机富氢/富氧燃气气-气喷嘴性能,以758 K的富氢燃气为燃料、676 K的富氧燃气为氧化剂,对采用同轴直流喷嘴、氧喷嘴扩张同轴喷嘴、氢喷嘴收缩同轴喷嘴、氧喷嘴中心具有实心圆柱同轴喷嘴、双同轴直流喷嘴的燃烧室的燃烧流场进行了数值模拟,并考察了流量对燃烧性能的影响.仿真结果表明双同轴直流喷嘴具有最好的燃烧性能.数值模拟结果对富氢/富氧燃气气-气喷注器设计有参考价值. In order to investigate the performance of the hydrogen-rich/oxygen-rich gas-gas injector in the full flow staged combustion(FFSC) engine,the combustion flow fields of the combustors with a shear coaxial injector,a coaxial injector for the oxidizer injector with expansion angle,a coaxial injector for the fuel injector with contraction angle,a coaxial injector for the oxidizer injector with a column in the center and a shear dual-coaxial injector were simulated.The propellant of the injectors was hydrogen-rich gas in temperature of 758 K and oxygen-rich gas in temperature of 676 K.The results of the numerical simulation show that,the shear dual-coaxial injector has the best combustion performance.The results can provide the reliable criterion for the design and experiment of hydrogen-rich/oxygen-rich gas-gas injector.
出处 《航空动力学报》 EI CAS CSCD 北大核心 2010年第4期835-840,共6页 Journal of Aerospace Power
基金 国家863基金
关键词 全流量补燃循环 燃烧性能 富氢/富氧燃气 气-气喷嘴 仿真 full flow staged combustion combustion performance hydrogen-rich/oxygen-rich gas gas-gas injector simulation
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参考文献12

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同被引文献47

  • 1杜正刚,高玉闪,金平,蔡国飙.速度比对气-气喷嘴燃烧性能的影响[J].推进技术,2009,30(5):551-554. 被引量:7
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