E123 Experimental Study of Turbulent Burning Velocity for Hydrogen added Methane-Air Mixtures

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  • E123 水素添加メタン-空気混合気の乱流燃焼速度特性に関する実験的研究(OS-9:燃焼の最近の進展(2))

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In order to clarify and establish a model of the turbulent burning velocity of multi-component fuel mixtures, the turbulent burning velocity of hydrogen added methane-air mixtures with a wide range of equivalence ratio and hydrogen additional rate was examined. The turbulent burning velocity S_T at the same u'/S_<L0> was found to tend to increase with adding hydrogen to methane-air mixtures. The increase of S_T with hydrogen additions in lean mixtures was larger than that in rich mixtures. Additionally, a model of turbulent burning velocity proposed for single-component fuel mixtures may be applied to two-component fuel-air mixtures by considering the estimated mean local burning velocity.

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