前置肋片对凹槽火焰稳定器混合特性的影响

金劲睿; 刘玉英; 洪燕

前置肋片对凹槽火焰稳定器混合特性的影响

北京航空航天大学能源与动力工程学院, 北京 100191

基金项目: 航天科技创新基金(CASC200903)

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出版历程
- 收稿日期: 2011-01-06
- 修回日期: 2011-05-10
- 刊出日期: 2011-12-28

Effects of injection fin on flow and mixing characteristics of cavity flame holder

School of Jet Propulsion, Beijing University of Aeronautics and Astronautics, Beijing 100191, China

摘要

摘要: 将前置肋片结构应用于超声速凹槽火焰稳定器中,数值模拟研究了前置肋片对凹槽火焰稳定器混合特性的影响.结果表明:与传统结构相比,在凹槽稳定器中加入前置肋片,能减小总压损失,增大凹槽内外喷口的穿透深度,并获得更为均匀燃料分布,有利于燃烧组织.
- 超声速燃烧 /
- 前置肋片 /
- 凹槽火焰稳定器 /
- 混合增强 /
- 数值模拟
Abstract: Effects of injection fin in the supersonic cavity flame-holder were studied numerically.Both pressure loss and mixing enhancement effects were investigated.The results suggest that compared with the traditional structure,the cavity with injection fin induce less pressure loss,eularges penetration depth of the injections,and achieves a more appropriate fuel distribution.
- supersonic combustion /
- injection fin /
- cavity flame-holder /
- mixing enhancement /
- numerical simulation

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参考文献(15)

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