I121 メタン理論予混合微小球状伝ぱ層流火炎の燃焼促進に関する実験的研究

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  • I121 An Experimental Study on Promoting Combustion of Stoichiometric Methane Premixed Meso-scale Spherical Laminar Flames

説明

This study is performed to examine experimentally the effects of dilation gas types (N_2, Ar and CO_2) and dilution rates of N_2 on the burning velocity of the stoichiometric methane-oxygen-dilution gas premixed meso-scale spherical laminar flames with the flame radius r_f < approximately 5mm. The radius and the burning velocity of meso-scale flames are obtained by using sequential schlieren images recorded under appropriate ignition conditions. It is found that the burning velocity at the same r_f has tendency to increase not only with the mixture diluted with CO_2 at the same laminar burning velocity, but also with decreasing the dilution rate at the stoichiometric mixture.

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