A COMPREHENSIVE NUMERICAL STUDY OF THE ETHANOL BLENDED FUEL EFFECT ON THE PERFORMANCE AND POLLUTANT EMISSIONS IN SPARK-IGNITION ENGINE

被引：10

作者：

Zangooee Motlagh, Mohammad Reza ^{[1
]}

Modarres Razavi, Mohammad Reza ^{[1
]}

机构：

[1] Ferdowsi Univ Mashhad, Dept Engn Mech, Mashhad, Iran

来源：

THERMAL SCIENCE | 2014年 / 18卷 / 01期

关键词：

ethanol; MPFI engine; KIVA-4; CHEMKIN; UNLEADED GASOLINE BLENDS; COMPRESSION RATIO; EXHAUST EMISSIONS; COMBUSTION; MODEL;

D O I：

10.2298/TSCI121005085Z

中图分类号：

O414.1 [热力学];

学科分类号：

摘要：

In the present work, the performance and pollutant emissions in a spark-ignition engine has been numerically investigated. For this purpose, the coupled KIVA code with CHEMKIN is used to predict the thermodynamic state of the cylinder charge during each cycle. Computations were carried out for a four cylinder, four strokes, multi point injection system (XU7 engine). Numerical cases have been performed up to 30 vol.% of ethanol. Engine simulations are carried out at 2000, 2500, and 3000 rpm and full load condition. The numerical results showed that pollutant emissions reduce with increase in ethanol content. Based on engine performance, the most suitable fraction of ethanol in the blend was found to be nearly 15% for the XU7 engine.

引用

页码：29 / 38

页数：10

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