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Mathematical and Computational Applications is published by MDPI from Volume 21 Issue 1 (2016). Articles in this Issue were published by another publisher in Open Access under a CC-BY (or CC-BY-NC-ND) licence. Articles are hosted by MDPI on as a courtesy and upon agreement with the previous journal publisher.
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Math. Comput. Appl. 2011, 16(4), 797-808;

Application of Energy and Exergy Analyses to a CI Engine Using Biodiesel Fuel

Karabuk University, Technical Education Faculty, Department of Mechanical Education, 78200, Karabuk, Turkey
Bozok University, Akdağmadeni Vocational Collage, 66500, Yozgat, Turkey
Authors to whom correspondence should be addressed.
Published: 1 December 2011
PDF [271 KB, uploaded 1 April 2016]


In recent years, exergy analysis method has been widely used in the design, simulation and performance assessment of various types of engines for identifying losses and efficiencies. In this study, the first and second Laws of thermodynamics are employed to analyze the quantity and quality of energy in a four-cylinder, direct injection diesel engine using petroleum diesel fuel and biodiesel fuel. The experimental data were collected using steady-state tests which enable accurate measurements of air, fuel and cooling water flow rates, engine load, and all the relevant temperatures. Balances of energy and exergy rates for the engine were determined and then various performance parameters and energy and exergy efficiencies were calculated for each fuel operation and compared with each other. The results of tested biodiesel offer similar energetic performance as petroleum diesel fuel. In addition to this, the exergetic performance parameters usually follow similar trends according to the energetic performance parameters.
Keywords: Diesel engine; energy analysis; exergy analysis; biodiesel Diesel engine; energy analysis; exergy analysis; biodiesel
This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).

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Sekmen, P.; Yılbaşı, Z. Application of Energy and Exergy Analyses to a CI Engine Using Biodiesel Fuel. Math. Comput. Appl. 2011, 16, 797-808.

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