パーム油メチルエステル・軽油混合燃料のディーゼル燃焼(熱工学,内燃機関,動力など)

概要

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In order to use palm oil methyl ester (PME) as an alternative diesel fuel at relatively low temperature condition (-15 to 0℃), the pour points at cold condition and the diesel combustion of PME blend fuels with various gas oils are investigated. The JIS No. 2 gas oil (GO2), No. 3 gas oil (GO3) and special No. 3 gas oil (GO3S) are used as base fuels. To make the pour point of blend fuel to be below that of GO2 (-12.5℃), the upper limit of PME content is about 5 vol% for GO3 blend and about 20 vol% for GO3S blend. Moreover, three PME 20 vol% blend fuels (GO2/PME 20, GO3/PME 20 and GO3S/PME 20) are tested using a DI diesel engine, and compared with the base gas oils. Thermal efficiency of the blend fuels are almost the same as that of GO2. The blend fuels have shorter ignition delay and lower HC and Smoke emissions compared with the base gas oils because of the higher cetane number of PME.
社団法人日本機械学会の論文
2007-05-25