骤冷网格对层流火焰影响的数值分析

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Numerical Analysis of Quenching Meshes on Laminar Flame Propagation

Science and Technology on Reactor System Design Technology Laboratory, Nuclear Power Institute of China, Chengdu, 610041, China

摘要: 利用计算流体力学(CFD)方法,研究二维简化情形下骤冷网格对层流火焰传播的影响。数值分析结果表明:随着火焰的传播,层流火焰前沿在接近骤冷网格的过程中,向金属网格的传热逐渐超过氢气燃烧产生的化学热,最终火焰的传播被骤冷网格终止。
- 氢气燃烧 /
- 火焰传播 /
- 骤冷网格 /
- 计算流体力学 /
- 数值模拟
Abstract: The impact of quenching meshes on laminar flame propagation is analyzed by computational fluid dynamics methodology based on simplified 2-dimension circumstances.The result of numerical analysis demonstrates that the propagation of the laminar flame is arrested when the chemical heat of hydrogen combustion is less than heat absorption by metal meshes and the flame front is quenched.
- Hydrogen combustion /
- Flame propagation /
- Quenching meshes /
- CFD /
- Numerical analysis