G0600-7-2 化学平衡法と渦消散コンセプトモデルを組み合わせた燃焼モデルによるH_2-air乱流拡散燃焼の数値解析 : ルックアップテーブル利用による計算の高速化(熱工学部門一般講演(7):燃焼(2))

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This paper presents the combustion model based on chemical equilibrium combined with an eddy dissipation concept model (CE-EDC) for reducing computational time; the model is validated by simulating a H_2-air turbulent diffusion flame. The obtained results were compared with Sandia H_2 Flame A. An advantage of the CE-EDC model is that computational time can be reduced using the chemical equilibrium method obtained from Look-up table which is prepared prior to the combustion simulation. The results obtained by the CE-EDC model are in good agreement with the reference data. With the combustion model built in this paper, the combustion products can be calculated without detail chemical mechanisms, and the accuracy of present model is in the same order of the EDC model.
2010-09-04