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隔离段三维流场特性及入射激波对隔离段流场影响的研究
李萌; 岳连捷; 张新宇
Source Publication高超声速专题研讨会暨第五届全国高超声速科学技术会议论文集
2012
Pages191-191
Conference Name高超声速研讨会暨第五届全国高超声速科学技术会议
Conference Date2012-11-12
Conference Place中国广西桂林
Abstract隔离段在超燃冲压发动机中的作用是承受燃烧室内燃料燃烧造成的高反压。超燃冲压发动机在燃烧时,燃烧室内释放的热量会堵塞来流,压力升高,并在上游产生激波串结构。一方面,气流经过激波减速,静温静压升高,有利于燃料的点火;然而,如果反压继续增大,激波串前传,影响进气道的流场,可能会造成进气道的不起动。为了防止燃烧室上游的激波串影响进气道的流动,在进气道与燃烧室之间加入隔离段。在隔离段的实际工作中,由于进气道消波不完全等原因,隔离段进口会受到入射激波及膨胀波的干扰,而在大多数隔离段的实验和数值模拟中,隔离段的进口条件为均匀的入口条件。这一差异会对隔离段的流动产生影响,并需要在隔离段的设计和研究过程中加以考...
Keyword隔离段 激波串 入射激波
DepartmentLHD高超声速推进技术
Language中文
Document Type会议论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/48531
Collection高温气体动力学国家重点实验室
Recommended Citation
GB/T 7714
李萌,岳连捷,张新宇. 隔离段三维流场特性及入射激波对隔离段流场影响的研究[C]高超声速专题研讨会暨第五届全国高超声速科学技术会议论文集,2012:191-191.
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