直接噴射式希薄予混合圧縮着火機関における着火時期制御に関する研究(熱工学,内燃機関,動力など)

概要

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Recently, pre-mixed lean combustion has gained the attention of many researchers, who are investigating compression ignition characteristics of this type of mixture. Previous research in our laboratory has shown that low NO_x combustion can be obtained by PREDIC (PREmixed lean DIesel Combustion). While NO_x emissions were very good, the fuel consumption was greater than that of a conventional engine, due to a lack of ignition timing control. So in this study, ignition timing control was attempted using two fuels. Results showed that ignition timing control was possible using a low cetane fuel (such as methanol or α-methyl naphthalene) after the diesel fuel main injection. The injection timing and quantity of methanol affected the ignition timing of PREDIC.
一般社団法人日本機械学会の論文
2002-06-25