Effect of Mix waste cooking-oil biodiesel on performance and exhaust emissions of a CRDI engine

Abstract

In fast-moving world, energy crisis and waste disposal are increasing day by day. To overcome the energy crisis, it is crucial that we consume less energy. The world contains potential resources to meet the demand of energy apart from electricity, highest demand among all sources. Hence to gear up the use of alternative methods from the wastes into an alternate fuel. The transportation is playing a major role in economic growth and globalization, but cause air pollution in all medium. In regard to crisis, biodiesel production from locally available mix waste cooking oil, which can be an major alternative to production of biodiesel apart from food resources. The aim of this paper is to extract the biodiesel from mix waste cooking oil using conventional methods and study the performance of B20 biodiesel blends with respect to best fuel injection time (IT), Injection opening pressure (IOP) and number opening holes in injector using common rail direct injection engine (CRDI). The experimental studies showed that waste cooking oil methyl ester (WCOME) at 27 deg before top dead centre and IOP 240 bar, B20 blend gives better results and 5 holes 0.3 mm injector nozzle give 31.7% Brake thermal efficiency, 37 HSU smoke, 37 ppm Hydrocarbon, 0.115% carbon monoxide of volume and reduce in 2% of nitrogen dioxide without any modification of engine.