![]() Results showed that the model matches the overall experimental data, such as the power output and peak cylinder pressure. The calculations were made at constant combustion duration and constant coefficient of excess air. Simulations were then made to analyze the engine performance when running on biodiesel. The model was validated first by comparing with experimental pressure and performance data of a one cylinder engine at rated speed and secondly by comparing with a six cylinders engine performance data at various crankshaft rotational speeds. The numerical investigation was made using a semi empirical 0D model based on Wiebe’s and Watson’s model which was implemented via the open access numerical calculation software Scilab. This work describes a numerical investigation on the performance analysis of a diesel engine fuelled by palm oil biodiesel. Researches on the mathematical description of diesel engine process running on biodiesel are scarce, and mostly about chemical and thermodynamic description of the combustion process of biodiesel rather than performance studies. Mainly, previous and recent researches have focused on experimental investigation of diesel engine performance fuelled by biodiesel. Many research works show the potential of biodiesel as a substitute for conventional gasoil. Keywords: Semi-empirical 0D model Scilab Biodiesel Performance Diesel Engineĭiesel engines have proven over the years important in terms of efficiency and fuel consumption to power generation ratio. ![]() Received Octorevised Novemaccepted November 24, 2013 All Copyright © 2013 are guarded by law and by SCIRP as a guardian. ![]() In accordance of the Creative Commons Attribution License all Copyrights © 2013 are reserved for SCIRP and the owner of the intellectual property Claude Valery Ngayihi Abbe et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. 1Laboratory of Applied Mathematics, National Advanced School of Engineering, University of Yaoundé, Yaoundé, CameroonĢFaculty of Industrial Engineering, University of Douala, Douala, CameroonģDepartment of Physics, Faculty of Sciences, University of Yaoundé, Yaoundé, CameroonĮmail: © 2013 Claude Valery Ngayihi Abbe et al.
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