W/Oエマルジョンの噴霧燃焼特性に及ぼす油中水滴径の影響(燃焼II,熱工学部門一般講演)

概要

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Light oil based oil-in-water emulsion fuels are applied to a direct-injection diesel engine. Fuel consumption and the emission of NOX, HC, CO are measured along with the variation of dispersed waterdrop diameter. As a result, fuel consumption rate decreases as the waterdrop diameter increases. NO_x emissions of the emulsion fuels are lower than of light oil, and are lowered as the waterdrop diameter decreases. HC emission for the emulsion fuel of the largest waterdrop diameter is lower than those for smaller waterdrop diameter emulsions. From the result of the observation of open spray flames, it is considered that those tendencies are the effect of the acceleration of the flame speed caused by microexplosions.
一般社団法人日本機械学会の論文
2004-09-04