309 メタノールの反応抑制効果による予混合圧縮着火燃焼の運転可能負荷領域拡大

概要

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The control of ignition and combustion behavior in a premixed charge compression ignission engine was investigated and ultra-low NOx and smokeless combustion was achived with direct in-cylinder injection of methanol as a reaction suppressor. The combustion suppression effect increases with advanced timing of methanol injection as the methanol becomes more widely distributed. With increases in methanol injection quantity, the appearance of low temperature oxidation is delayed and the heat release during low temperature oxidation decreases. With optimized methanol injection timing and injection quantity, the premixed charge compression ignition operational range could be expanded to 0.9 MPa IMEP, which is comparable to ordinary diesel operation.
一般社団法人日本機械学会の論文
2002-10-05