Cng influence on combustion in an automotive diesel engine fueled in diesel-gas mode

被引：0
|
作者：
Rotaru, Silviu [1 ]
Pana, Constantin [1 ]
Negurescu, Niculae [1 ]
Cernat, Alexandru [1 ]
Fuiorescu, Dinu [1 ]
Nuțu, Cristian Nikolaos [1 ]
机构：
[1] University POLITEHNICA of Bucharest, Romania
来源：
UPB Scientific Bulletin, Series D: Mechanical Engineering | 2020年 / 82卷 / 04期
关键词：
Exhaust gases - Compressed natural gas - Crankshafts - Dual fuel engines - Combustion;
D O I：
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学科分类号：
摘要：
The paper presents some results regarding fueling an automotive diesel engine with compressed natural gas (CNG) in dual fuel mode; the purpose of the paper is to analyze the stability of combustion with help of the 5% and 90% of mass fraction burned (5% / 90%MFB) and of the coefficients of variability (COV) for in-cylinder maximum pressure; the use of CNG reduces the angle for 5% MFB with more than 10°CA (crankshaft angle) and extends with 2°CA combustion end of the entire quantity of fuel per cycle; the exhaust gases temperature grows with 7°C more than when engine runs with diesel only. © 2020, Politechnica University of Bucharest. All rights reserved.
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页码：67 / 78
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