氢燃料双模态燃烧室模态转换

刘昊; 宋文艳; 王靛

氢燃料双模态燃烧室模态转换

西北工业大学动力与能源学院,西安 710072

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出版历程
- 收稿日期: 2010-02-26
- 修回日期: 2010-04-13
- 刊出日期: 2011-03-28

Investigation of mode transition in a dual mode supersonic combustor with hydrogen fuel

School of Power and Energy, Northwestern Polytechnical University,Xi'an 710072,China

摘要

摘要: 为研究双模态燃烧室的模态转换规律,采用计算流体动力学(CFD)方法,对氢燃料模型燃烧室在不同当量油气比、飞行马赫数、燃料喷射方式下的流场进行了数值模拟,并与试验结果进行对比,两者相互吻合.研究结果表明:当量油气比提高、飞行马赫数降低及双面喷射燃料均使燃烧室更趋于亚燃工作模态.
- 双模态燃烧室 /
- 模态转换 /
- 氢燃料 /
- 数值模拟 /
- 超燃冲压发动机
Abstract: To investigate the mode transition in the dual mode combustor,using the method of computational fluid dynamics(CFD),numerical simulation of hydrogen-fueled combustor flow field was conducted at different equivalence ratios,flying Mach numbers and fuel injection modes.The simulation results are found to agree well with the experimental data.Results show that increase of equivalence ratio and reduction of flying Mach number along with two-sides injection make the combustor tend to work in sub-combustion mode.
- dual mode combustor /
- mode transition /
- hydrogen fuel /

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参考文献(15)

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