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PERFORMANCE OF BIODIESEL COMPARED TO CONVENTIONAL DIESEL FUEL IN STATIONARY INTERNAL COMBUSTION ENGINES

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Author(s): B.K. HIGHINA | I.M. BUGAJE | B. UMAR

Journal: Journal of Applied Technology in Environmental Sanitation
ISSN 2088-3218

Volume: 1;
Issue: 2;
Start page: 199;
Date: 2011;
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Keywords: Break mean effective pressure | brake specific fuel consumption | performance

ABSTRACT
In this study, the technical specification of an internal combustion engine designed for diesel fuel was used for biodiesel. The changes in engine performance, and cycle by cycle (CBC) variations were observed, and their causes were studied. When biodiesel was used as the fuel, acceptable changes occurred in the performance values. The maximum brake mean effective pressure (BMEP) obtained with the biodiesel was slightly higher than that obtained with the diesel fuel, with the difference being just slight under maximum power. While biodiesel increase the maximum engine power, it reduces the brake specific fuel consumption. Changes of maximum cylinder pressure have occurred at the same magnitude for both fuels for the same engine speeds. The best engine performance for biodiesel operates at the engine speed of 2000 rpm to 2500 rpm. The overall analysis has shown that biodiesel has potential as an alternative fuel in conventional internal combustion engines.
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