IMECH-IR  > 高温气体动力学国家重点实验室
总压特性及边界层抽吸对超燃冲压发动机推力的影响
徐显坤; 岳连捷; 张新宇
Source Publication第二届高超声速科技学术会议会议日程及摘要集.中国力学学会,2009,p.21
2009-11-02
Pages21
Conference Name第二届高超声速科技学术会议
Conference Date2009-11-02
Conference Place中国安徽黄山
Abstract本文基于一维分析,探讨了超燃冲压发动机总压恢复与其推力的关系,得出了推力与总压恢复的具体函数对应关系,证明了推力对总压恢复的一阶导数为正,二阶导数为负,由此证明了在大总压损失的情况下,发动机推力将会非常迅速地下降。并进一步分析了由边界层抽吸导致的两个结果:总压恢复提升与流量减小对发动机推力的影响。证明了在发动机性能较差时,边界层抽吸能较为轻松地提升发动机推力,然而在发动机性能较好时,抽吸效果不大,并极有可能导致推力下降。
Keyword总压恢复 边界层抽吸 发动机推力
Language中文
Document Type会议论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/43139
Collection高温气体动力学国家重点实验室
Corresponding Author徐显坤
Recommended Citation
GB/T 7714
徐显坤,岳连捷,张新宇. 总压特性及边界层抽吸对超燃冲压发动机推力的影响[C]第二届高超声速科技学术会议会议日程及摘要集.中国力学学会,2009,p.21,2009:21.
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