Numerical Investigation of the Effects of Rate-Shaped Main Injection on Combustion and Emission in an OPOC Two-Stroke Diesel Engine

查看全文 作　　者：Lei [1]Zhang;Tiexiong [1]Su;Yunpeng [3]Feng;Fukang [2]Ma;Yangang [2]Zhang;Jun [2]Wang

机构地区：[1]College of Mechatronic Engineering,North University of China,Taiyuan 030051,China;[2]School of Energy and Power Engineering,North University of China,Taiyuan 030051,China;[3]Beijing Special Vehicle Institute,Beijing 100072,China

出　　处：《Journal of Beijing Institute of Technology》索引2019年第28卷第2期,共8页

基　　金：Supported by the National Natural Science Foundation of China(51605447) 摘　　要：The effects of various split injection strategies on the opposed-piston opposed-cylinder(OPOC)diesel engine combustion and emission characteristics have been studied numerically using AVL-Fire CFD tools.The five rate-shaped main injections were used in split injection strategies.The results show that ignition delay from a rectangular injection rate is the shortest.Maximum pressure of the trapezoid injection rate is the largest.And the NOx emission of the rectangular injection rate is the largest.Meanwhile,the soot emission of the trapezoid injection rate is the least among the five injection rates. 关键词：opposed-piston opposed-cylinder(OPOC)diesel engine split INJECTION rated-shape MAIN injection:numerical simulation combustion emissions

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Numerical Investigation of the Effects of Rate-Shaped Main Injection on Combustion and Emission in an OPOC Two-Stroke Diesel Engine

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