1910 バーナーを用いたDME層流予混合火炎の基本的燃焼挙動の解明(G06-4 燃焼(2),G06 熱工学)

概要

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Experiments have been carried out to examine the combustion behavior of DME laminar premixed burner flames. The burning velocity obtained by the flame cone-angle method is compared with those of methane-and propane-air mixtures. The initial. temperature and pressure are 293K and 0.10MPa, respectively. The main results are as follows: (1) The burning velocity of DME premixed flames is approximately 34cm/s at 1.0 of equivalence ratio, (2) The blow off and flashback velocities of DME-air mixtures are larger than those of methane-air mixtures and (3) The lower flammability limit of DME premixed flame determined by method of flame area history is approximately φ=0.32 and this value is very small, comparing with that of methane-air premixed flame.
一般社団法人日本機械学会の論文
2007-09-07