バイオディーゼルを着火燃料として用いた二元燃料ディーゼル機関の燃焼特性 : 第1報,主燃料にCNGを用いた場合(熱工学,内燃機関,動力など)

概要

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In order to use biodiesel as an ignition fuel on dual fuel diesel engines, the combustion characteristics and exhaust emissions of the dual fuel with rapeseed oil methyl ester and CNG (R_<CNG>) are investigated by comparing to the dual fuel with gas oil and CNG (G_<CNG>). The results show that the operable condition of R_<CNG> is almost the same as that of G_<CNG>. At 100% load the dual fuel diesel engine with R_<CNG> can be operated when the equivalence ratio of the intake premixed CNG is about 0.1 to 0.53. The thermal efficiency of R_<CNG> is almost the same as that of G_<CNG>. R_<CNG> has lower Smoke emissions compared with G_<CNG> although NO_x emissions of R_<CNG> is slightly higher than that of G_<CNG>. It is concluded that biodiesel can be used as an ignition fuel on dual fuel diesel engines.
社団法人日本機械学会の論文
2007-08-25