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煤油超声速燃烧的数值分析 被引量:5

Numerical analysis of kerosene supersonic combustion
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摘要 利用计算流体力学软件对煤油在所设计的双模态超声速燃烧室内的超声速喷雾燃烧进行了数值模拟。采用离散液滴模型、概率密度函数紊流扩散燃烧模型和紊流k ω模型计算了在飞行马赫数为5,煤油与空气的当量比为0 551时的情况。数值结果得到的壁面静压分布与实验数据基本一致;计算所得到的总压损失系数是0 696,非常接近实验测量值0 707,但计算得到的燃烧室燃烧效率远比实验值高。 Numerical analysis of the kerosene spray supersonic combustion was carried out in the dual-mode supersonic combustor with the CFD software. In the case of a Mach number of 5 and a fuel-air equivalence ratio of 0.551, the numerical results were obtained with the chemistry model of probability density function, κ-ω turbulence model and discrete droplet model. The wall static pressure agrees well between experiments and numerical results.
出处 《推进技术》 EI CAS CSCD 北大核心 2004年第5期463-468,共6页 Journal of Propulsion Technology
基金 国家自然科学基金资助项目(50086002) 西北工业大学博士论文创新基金资助项目。
关键词 超音速冲压喷气发动机 亚音速燃烧 超音速燃烧 煤油 数值分析 Combustion Computational fluid dynamics Kerosene Models Numerical analysis Pressure Probability density function Turbulence
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参考文献8

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