Effect of bio-diesel (B20) on performance and emissions of optimum injector opening pressure operating at different injection timings of a semi-adiabatic engine

Abstract

This study was carried out to investigate the performance and emission characteristics of jatropha methyl ester oil and its blend B20 with mineral diesel on a single-cylinder four-stroke direct injection water cooled diesel engine operated at optimum IOP 220bar at different injection timing of standard and semi-adiabatic engine. The results of comparative measures of brake thermal efficiency, smoke and NOx have been presented and discussed on both the types of engines. The engine performance in terms of higher thermal efficiency and lower emissions of B20 blend fuel operation was observed and compared with jatropha methyl ester oil and mineral diesel fuel of 20o bTDC, 23o bTDC and 26o bTDC of standard and semi-adiabatic engine. � 2009 Combustion Institute. All rights reserved.