ディーゼル燃焼過程における炭化水素成分の時間履歴と芳香族成分の影響(熱工学,内燃機関,動力など)

概要

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Chemical behaviors of diesel fuel and the effects of aromatic on diesel combustion were experimentally investigated using a rapid compression machine and a total gas-sampling device. Aromatic component was varied independently as fuel property while keeping the cetane number and sulfur content. The authors analyzed the composition of the individual hydrocarbons (C_1 to C_<20>), NO_* and inorganic gases. The results show that the concentration of heavy hydrocarbons rapidly decreases during ignition delay period due to thermal cracking into middle and low boiling-point hydrocarbons. However, the fuel including aromatic is decomposed with difficulty because of the lower decomposition rate of not only aromatic component but also other heavy saturate hydrocarbons. And it is confirmed that the decomposition rate of aromatic is accelerated under higher ambient temperature compared with aliphatic hydrocarbons fuel.
一般社団法人日本機械学会の論文
2003-01-25