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中文摘要：
秒顺序时刻燃烧 moGel，由作者求婚了用 incRmpressible 的直接数字的模拟(DNS ) 被验证狂暴的反应 Fhannel 流动。即时 DNS 结果显示出集中和温度变化的近墙的长带结构。DNS 统计结果在关联方程给术语的预算，证明生产和驱散术语是很重要的。DNS 统计数据被用来在 RANS 秒顺序验证闭合模型时刻(SOM ) 燃烧模型。在近墙的修正应该被做的地方，模仿的散开和生产术语与在大多数流动区域的 DNS 数据一致，这被发现，除了在近墙的区域在近墙的修正应该被做的地方，并且为驱散术语的闭合模型需要进一步的改进。代数学的秒顺序时刻(ASOM ) 燃烧模型被 DNS 很好验证。
英文摘要：
The second-order moment combustion model, proposed by the authors is validated using the direct numerical simulation （DNS） of incompressible turbulent reacting channel flows. The instantaneous DNS results show the near-wall strip structures of concentration and temperature fluctuations. The DNS statistical results give the budget of the terms in the correlation equations, showing that the production and dissipation terms are most important. The DNS statistical data are used to validate the closure model in RANS second-order moment （SOM） combustion model. It is found that the simulated diffusion and production terms are in agreement with the DNS data in most flow regions, except in the near-wall region, where the near-wall modification should be made, and the closure model for the dissipation term needs further improvement. The algebraic second-order moment （ASOM） combustion model is well validated by DNS.
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