Title: A review on exergetic analysis and assessment of various types of engines

Authors: Hakan Caliskan, Mustafa Ertunc Tat, Arif Hepbasli

Addresses: Faculty of Engineering, Department of Mechanical Engineering, Usak University, 64200 Usak, Turkey. ' Faculty of Engineering and Architecture, Department of Mechanical Engineering, Eskisehir Osmangazi University, 26480 Bati Meselik, Eskisehir, Turkey. ' Faculty of Engineering, Department of Mechanical Engineering, Ege University, 35100 Bornova, Izmir, Turkey

Abstract: This study presents a review on energy and exergy analysis of Otto and Diesel engines. Calculation methods of the analysis are discussed in detail. Previous studies, from 1963 to 2008, are chronologically listed and studied. The test engines had different cylinder numbers, speeds and rated powers. Engine specifications and test bench schematics are given in tables and figures. The best exergetic efficiency is achieved with four-stroke, four-cylinder, turbocharged Diesel engines at about 30% excepting to stationary Diesel engine. It is considered that exergetic efficiency can be higher at lower speeds between 1140 1/min and 2200 1/min.

Keywords: energy analysis; exergy analysis; availability; exergetic efficiency; biodiesel; diesel engines; biofuels; fuels; engine gasoline; second law analysis; Otto engines.

DOI: 10.1504/IJEX.2010.031986

International Journal of Exergy, 2010 Vol.7 No.3, pp.287 - 310

Received: 24 Nov 2008
Accepted: 13 Apr 2009

Published online: 03 Mar 2010 *

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