航天推进技术研究院主办
[1]刘昊,张蒙正,豆飞龙.超燃冲压发动机支板研究综述[J].火箭推进,2016,42(05):74-81.[doi:10.3969/j.issn.1672-9374.2016.05.013]
LIU Hao,ZHANG Mengzheng,DOU Feilong.Research on strut of scramjet engine[J].Journal of Rocket Propulsion,2016,42(05):74-81.[doi:10.3969/j.issn.1672-9374.2016.05.013]
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LIU Hao,ZHANG Mengzheng,DOU Feilong.Research on strut of scramjet engine[J].Journal of Rocket Propulsion,2016,42(05):74-81.[doi:10.3969/j.issn.1672-9374.2016.05.013]
超燃冲压发动机支板研究综述
《火箭推进》[ISSN:1672-9374/CN:CN 61-1436/V]
卷:
42
期数:
2016年05期
页码:
74-81
栏目:
专论与综述
出版日期:
2016-10-31
- Title:
- Research on strut of scramjet engine
- Keywords:
- scramjet; strut; reviewliquid
- 分类号:
- V439-34
- 摘要:
- 以超燃冲压发动机支板工程设计及应用为研究目标,从燃料/空气掺混增强、燃烧强化、支板/凹腔一体化稳焰、支板阻力及支板热防护5个方面对国内外超燃冲压发动机中支板研究现状进行回顾与总结.认为支板可靠热防护是限制其工程应用的瓶颈,建议:1)采用燃料侧喷,利用超声速扰流气动掺混替代尾部交错结构机械掺混,降低支板阻力及热防护难度;2)飞行Ma＞7时,放弃支板/凹腔一体化结构,并使支板远离燃烧区域高温燃气,仅承受来流热冲击,以便现有材料及冷却技术能够解决支板热防护问题,且此时支板阻力主要取决于来流条件,推荐采用带有前缘角度、后掠结构的薄支板以减小支板阻力;3)结合多种手段对支板进行综合热防护,实现支板长时间可靠工作.
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更新日期/Last Update:
1900-01-01