Effects of Operating Conditions on Performance of a Spark Ignition Engine Fueled with Ethanol-Gasoline Blend

Document Type: Original Article

Authors

Department of Fluid Mechanics, Babol Noshirvani University of Technology, Babol, Iran

Abstract

Nowadays, two main deals of researchers in different fields of industries are emissions and fuel consumption. The political turmoil of crude oil besides stricter environmental laws in the world tends researchers to find novel ways for fuel consumption and emissions reduction. Using Ethanol-Gasoline blend as fuel in spark ignition engines is considered as a promising idea to achieve this goal for internal combustion engines industries. Providing a model to investigate the performance of Ethanol-Gasoline fueled engine in different operating conditions is still needed to reduce experimental test costs. In this study, a thermodynamic model of ethanol-gasoline fueled spark ignition engine is provided and the effects of operating conditions on engine performance are investigated in detail after validating simulation results via experimental data. Results show the provided model generates reliable data of engine performance in the full range of fuel composition, from pure ethanol to pure gasoline. In addition, studied engine produces maximum power besides best fuel consumption when it is run at 3000 rates per minute. Also, the best performance is achieved with E-45 composition while NOx emission raise 60 percent in comparison to pure gasoline. So, it can be introduced as design point for studied engine.

Keywords


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