水素拡散火炎の数値シミュレーション

概要

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Numerical simulation of the laminar hydrogen diffusion flame was conducted based on the conservation equations taking into account the multicomponent diffusion and chemical kinetics employing elementary reactions. Computed results were compared with the experimental ones. The following was concluded : (1) the computations can well predict the measured profiles of species concentration and temperature, (2) concentration overshoot of OH, O, and H, the maximum reaction rate and heat release rate are larger near the nozzle exit than in the downstream region, (3) selective diffusion of H_2 and H induces the concentration of H_2 near the reaction zone and the outer part of the flame, (4) reactions related to HO_2 contribute to the conversion of H into H_20 through HO_2 near the outer part of the flame.
一般社団法人日本機械学会の論文
1990-07-25