パーム核油バイオディーゼルのディーゼル燃焼特性(熱工学,内燃機関,動力など)

概要

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In order to use palm kernel oil as a diesel fuel, the combustion characteristics and exhaust emissions of palm kernel oil methyl ester (PkME) are investigated using a direct injection diesel engine, and are compared with palm oil methyl ester, coconut oil methyl ester (CME) and JIS No. 2 gas oil. The thermal efficiency of PkME is almost the same as those of the other test fuels. The exhaust emissions of PkME are almost the same as those of CME, and lower than those of the gas oil. It is concluded that PkME is a good alternative diesel fuel. Also, to reduce the pour point of PkME, -5℃, palm kernel oil ethyl ester (PkEE) and butyl ester (PkBE) are made by using ethanol and 1-butanol, respectively. The pour points of PkEE (-7.5℃) and PkBE (-10℃) are lower than that of PkME. PkEE and PkBE also are tested using the diesel engine. PkEE and PkBE have almost the same thermal efficiency and exhaust emissions compared with PkME although they have slightly higher HC and CO emissions. It is concluded that PkBE is an alternative diesel fuel with low pour point.
社団法人日本機械学会の論文
2009-08-25