G071043 脂肪酸を添加した軽油を燃料に用いたディーゼル機関におけるデポジット生成特性([G071-04]エンジンシステム部門,一般セッション(4))

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  • G071043 Characteristics of Deposit Formation on Cylinder head of Diesel Engine using Diesel Fuel with Fatty Acid

抄録

Utilization of bio diesel fuel (BDF) was effective in reduction of PM emission as compared with that of diesel fuel. However, it is well known that BDF produces much deposit on engine components as compared with diesel fuel. Deposition accumulated on the wall of a combustion chamber might cause a decrease of thermal conductivity, and abnormal combustion in the chamber might occur due to a decrease of thermal conductivity. Therefore, it is necessary to investigate the behavior of deposition on the wall in order to maintain stability of combustion in the chamber. In this study, the deposition behavior on combustion chamber wall of actual diesel engine was investigated by using diesel fuel adding fatty acid or fatty acid methyl ester (FAME). As the results, total deposit mass during 20 hours engine operation was lower than that of diesel fuel when the diesel fuel adding fatty acid and FAME were used.

収録刊行物

  • 年次大会

    年次大会 2013 (0), _G071043-1-_G071043-5, 2013

    一般社団法人 日本機械学会

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