Experimental Study on Local Burning Velocity of Hydrogen added Methane Premixed Turbulent Flame

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  • 水素添加メタン予混合乱流伝ぱ火炎の局所燃焼速度特性に関する実験的検討(オーガナイズドセッション6 乱流燃焼研究の最前線)

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The influence of the addition of hydrogen to methane mixtures on its local burning velocity is investigated directly. Hydrogen added lean and rich methane mixtures having nearly the same laminar burning velocity with different rates of addition of hydrogen are prepared. A two-dimensional sequential laser tomography technique is used to obtain the temporal statistical relationship between the flame shape and the flame displacement The local flame displacement velocity Sp_F is quantitatively obtained as the key parameters of the turbulent combustioa The obtained S_F is also discussed by the concept of Markstein number.

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