Analysis of Performance and Emission Parameters in Direct Injection Diesel Engine by Using Biodiesel Blended with Additives

Abstract

AbstractDiesel engines are used in many sectors like transport vehicles, agricultural purposes, industrial sectors, and for power generation. Due to the redundancy of fossil fuels and the adverse effect of the engine emission to the environment, there are so many research works going on alternative fuels. Biodiesel is the most widely used alternative fuel because of its better engine performances and reduction of exhaust gas emissions as compared with diesel. This present work deals with the engine performances and emission characteristics of a single cylinder four stroke direct injection dual fuel diesel engine using Argemone Mexicana biodiesel blended with diesel and di-methyl carbonate (DMC) as an additive. Here, Argemone Mexicana methyl ester (AMME) prepared by transesterification process followed by esterification process was used as a fuel in DI diesel engine. Initially, experiments were conducted by taking biodiesel blended with diesel of B25, B45, B65 and compared the engine performance shown by neat diesel at various engine loads. It was found that the additions of additives in biodiesel blend enhance the engine performances and reduce the exhaust gas emissions. The test fuels B25 + 2.5% DMC, B45 + 5%DMC, and B65 + 7.5%DMC were tested in DI diesel engine for various load condition to evaluate the brake thermal efficiency (BTE), brake specific fuel consumption (BSFC), and exhaust gas temperature (EGT). The experiments were also conducted for various load conditions to evaluate CO, HC, and NOx emission by exhaust gas analyzer, and the results were compared between the above-written fuel blends. The investigation shows that there is an improvement in the values of BTE, BSFC, and EGT, and the HC and NOx emissions are also reduced by using DMC in biodiesel blended fuel.Keywords Argemone Mexicana AdditivesDI diesel engineEsterification processExhaust gas temperature