| 贫燃料湍流预混燃烧火焰稳定性的数值研究 |
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| 引用本文： | 王朝晖,王成军,吴镇宇,王丹丹.贫燃料湍流预混燃烧火焰稳定性的数值研究[J].沈阳航空工业学院学报,2009,26(4):5-8. |
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| 作者姓名： | 王朝晖 王成军 吴镇宇 王丹丹 |
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| 作者单位： | 沈阳航空工业学院动力与能源工程学院,辽宁,沈阳,110136 |
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| 摘 要： | 对突扩燃烧室内甲烷-空气预混燃烧进行了数值模拟,时均控制方程组的封闭采用RNG 湍流输运模型和premixed combustion模型.通过模拟研究了不同当量比及进口速度对甲烷-空气预混燃烧效果的影响.CFD数值模拟结果给出了燃烧室内湍流预混反应流的速度场及温度场分布.模拟结果表明当量比为0.6、进口速度为30 m/s时燃烧室内产生稳定预混火焰.该结果对于航空燃气轮机低NOx排放燃烧技术的研究提供了一定的参考条件.
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| 关 键 词： | 航空发动机 燃烧室 贫燃料预混燃烧 数值模拟 |
Simulation of turbulent lean premixed flame in aircraft engine |
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| WANG Zhao-hui,WANG Cheng-jun,WU Zhen-yu,WANG Dan-dan.Simulation of turbulent lean premixed flame in aircraft engine[J].Journal of Shenyang Institute of Aeronautical Engineering,2009,26(4):5-8. |
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| Authors: | WANG Zhao-hui WANG Cheng-jun WU Zhen-yu WANG Dan-dan |
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| Institution: | WANG Zhao-hui WANG Cheng-jun WU Zhen-yu WANG Dan-dan(Aircraft Power and Energy Engineering College,Shenyang Institute of Aeronautical Engineering,Liaoning Shenyang 110136) |
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| Abstract: | The premixed turbulent reacting flow in an axisymmetric sudden-expansion combustor has been numerically simulated.The RNG turbulent transport model and the pre-mixed combustion model are utilized for the closure of the time-averaged governing equations.Different equivalence ratio and velocity were used to investigate the effect of AIR/CH mixtures on flame stability.The calculated result cover the velocity field and the temperature field of the premixed turbulent reacting flow.The calculated results present... |
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| Keywords: | aero-engine combustor lean pre-mixed flame numerical simulation |
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