Experimental Investigation of Performance Parameters of Four Stroke Single Cylinder Direct Injection Diesel Engine Operating On Rice Bran Oil & Rice Bran Oil Methyl Ester
Journal Title: International Journal of Modern Engineering Research (IJMER) - Year 2013, Vol 3, Issue 1
Abstract
Abstract: The conventional fuel crisis arising and ecological concerns have directed to look for alternative fuels of bioorigin sources like edible and non-edible oils. That can be produced from forests, vegetable oil crops, and oil bearing biomass materials. The increasing oil prices rapidly in our life day by day. In environmental aspects, it is require to increase energy independence and produce employment are inspiring the countries around the whole world in support of biofuels research, invention and production. Biodiesel production is an important method which requires a sustained study and optimization process because of its advantageous ecological aspects and its renewable nature. Biodiesel fuel is clean burning diesel alternative and has several attractive characteristics including biodegradability, renewability, low emission and non toxic.The main objectives of this study to produce biodiesel from Rice Bran Oil (RBO) by transesterification (alcoholysis) process and investigated the performance parameters of single cylinder four stroke diesel engines operating on Rice Bran Oil (RBO) & Rice Bran Oil Methyl Ester (RBOME) blends. Biodiesel is an alternative fuel to the broadly used petroleum-diesel fuel. Biodiesel can be produced by domestic and non-domestic sources such as Rice Bran Oil , Soybeans, Karanja, Cotton seeds, Coconuts, Jatropha, Rubber seed, Ratanjot Oil, Rapeseeds oil etc. and thus these reduces dependence on retreating petroleum fuel from distant sources. The main reason of the transesterification process is to decrease the viscosity of oil. The brake specific energy consumption (BSEC) was increased as the blends were increased for constant engine speed and same engine brake load than that of petroleum-diesel. As the loads were increased the BSFC of diesel engine increased in comparison to diesel fuel. The BSFC of diesel engine were increased 9.1% and 5.69 % respectively for RBO 30 & RBOME 30 blends. The brake thermal efficiency (BTE) of diesel engine at constant speed of 1500 rpm and 12 kg brake load was decreased by 4.7% and 3.0% respectively when the engine fuelled with RBO 30 & RBOME 30 blends. The performance parameters of diesel engine fuelled with RBO 10 & RBOME 10 were more closely to diesel fuel when the engine runs at 1500 rpm and for same brake load. The engine produce almost same brake power and brake specific fuel consumption (BSFC) is almost same for 10% blends of RBO and RBOME. The Engine tests demonstrated that rice bran oil methyl esters (RBOME) produced slightly higher brake thermal efficiency (BTE) than rice bran oil (RBO). The rice bran oil consumed slightly more fuel than methyl ester.
Authors and Affiliations
Indu Prakash Sahu
Keywords
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