航天推进技术研究院主办
Wang Yufeng,Duan Xiaolong.Numerical study of the ramjet engine inner flow before ignition[J].Journal of Rocket Propulsion,2006,32(06):20-22.
冲压发动机点火前内流场数值仿真研究
- Title:
- Numerical study of the ramjet engine inner flow before ignition
- 分类号:
- V431
- 文献标志码:
- A
- 摘要:
- 冲压发动机在点火前由于燃烧室的压力较低,内通道流场状态与发动机正常工作时的差别很大。因此,在发动机设计时,必须要考虑形成正常点火条件对发动机结构的约束。本文利用有限体积法对N-S方程进行空间离散,对发动机点火前的不同内通道结构下的冷流场进行了数值模拟,结果表明稳定器和喷油装置对形成合理的点火条件很重要,稳定器的布局对点火状态有很大影响。
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