空気泡の吹込みによる液体燃料の予混合燃焼

概要

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Premixed combustion of liquid fuel (kerosene) by blowing air bubbles was attempted, a method which originated from the reverse concept of spray combustion. Setting a porous ceramic plate above the foam layer formed by air blown into fuel made it possible to stabilize premixed flames on the plate. For most conditions examined the surface of this flame-holding plate was heated to become red-hot, effectively promoting fuel evaporation. The dependences on air flow rate and equivalence ratio of temperature distributions inside and outside the plate were measured and examined in comparison with the cases for uniform gas mixtures. The combustion gas was also analyzed in the downstream region and it was found that CO/CO_2 level and UHC concentration were less than the regulation values over a wide range of combustion intensities up to TDR = 4.8 : 1, and NO_x concentration was nearly on the same level as other combustors for dometic use.
一般社団法人日本機械学会の論文
1994-10-25