Effects of Compression Ratio on Performance combustion and emission of a Single Cylinder VCR Engine using Blends of Karanja Oil Methyl Ester with Diesel
Journal Title: International Journal for Research in Applied Science and Engineering Technology (IJRASET) - Year 2014, Vol 2, Issue 11
Abstract
Diesel engine plays an important role in the development of our country. Depletion of fossil fuel layer and pollution caused by the diesel engine is two major problem of the world today. In order to overcome the two problems bio fuels can be used as alternative fuel in diesel engine without any modification. In India million tones of non edible seeds like Karanja seeds are going in waste .Oil produced from these seeds can be used as alternative fuel in diesel engine. The performance, emission and combustion characteristics of a single cylinder, four stroke variable compression ratio engine fuelled with Karanja oil methyl ester(KOME) and its 20%,40% and 60% blends with diesel(on volume basis ) are studied and compared with diesel. Experiments were done at a constant speed of 1500 rpm, 100% load and at three different compression ratios 16:1, 17:1, and 18:1. In the performance analysis Brake thermal efficiency of B40 is found to be maximum and brake specific fuel consumption is found to be minimum at compression ratio 18.In the combustion analysis ignition delay, maximum rate of pressure rise of biodiesel blends is found to be higher than diesel at compression ratio18. In the emission analysis reduction of CO emission, HC emission is found to be lower and NOX emission is found to be higher for biodiesel as compared with diesel.
Authors and Affiliations
P. P. Patnaik, S. K. Acharya, S. N. Behera
Keywords
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