推进技术 ›› 1999, Vol. 20 ›› Issue (6): 36-39.

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固体燃料冲压发动机附着点分析与模拟

谭建国,陈小前,杨涛,张为华   

  1. 国防科技大学航天技术系!长沙;410073;国防科技大学航天技术系!长沙;410073;国防科技大学航天技术系!长沙;410073;国防科技大学航天技术系!长沙;410073
  • 发布日期:2021-08-15
  • 基金资助:
    国家自然科学基金资助项目

NUMERICAL SIMULATION AND ANALYSIS OF REATTACHMENT POINT FOR SFRJ

  1. Dept.of Aerospace Technology,National Univ.of Defence Technology,Changsha,410073;Dept.of Aerospace Technology,National Univ.of Defence Technology,Changsha,410073;Dept.of Aerospace Technology,National Univ.of Defence Technology,Changsha,410073;Dept.of Aerospace Technology,National Univ.of Defence Technology,Changsha,410073
  • Published:2021-08-15

摘要: 对固体燃料冲压发动机冷流情况下,由突扩台阶产生的附着点进行了理论分析和数值模拟, 得出附着点与台阶高度成线性关系, 与燃烧室尺寸、壁面是否加质等因素有关, 但与入口空气流量无关, 所得结果与实验数据比较吻合。

关键词: 固体燃料冲压发动机;附面层;数值仿真

Abstract: The location of reattachment point generated by abrupt sidestep in solid fuel ramjet(SFRJ),was analyzed through both theory and numerical simulation.Results show that the location is linear to height of sidestep.It is also related to size of combustor and mass flux from wall

Key words: Solid fuel ramjet;Boundary layer;Numerical simulation