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ABSTRACT
This paper highlights the combustion, performance and emission characteristics of a diesel engine using 25% of rubber seed oil methyl ester-diesel blend (RSME25) with different proportions of Dimethyl carbonate (DMC) (10%, 20%, and 30%) inducted through fumigation technique. Fumigation is a method of injecting liquid fuel (DMC) in a vaporized form into the intake manifold and the biodiesel blend is injected into the engine cylinder directly through the fuel injector in a diesel engine. The experiment was conducted in a diesel engine, fueled with 25% rubber seed oil methyl ester blends with diesel (RSME25) and different proportions of Dimethyl carbonate (10%, 20%, and 30%) fumigation with the help of a vaporizer and an injector. The results indicated that RSME25 with fumigation of DMC showed an overall ignition delay of 3°CA was increased for all the percentage of fumigation as compared with diesel and RSME25 without fumigation at full load. Also, the RSME25 with 30% of fumigated DMC gave improved performance and reduction in exhaust gas emissions than other proportions. The nitric oxide (NO) emission and smoke opacity were found to be lowered by 28% and 36%, respectively, for RSME25 with 30% DMC fumigation, when compared to diesel at full load.
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Notes on contributors
S. SenthilKumar
S. SenthilKumar was born in Tamil Nadu, India on 5th May 1977. He received the Bachelor of Engineering degree in Mechanical Engineering in the year 2000 and Master of Engineering in Internal Combustion Engineering from College of Engineering, Guindy, Anna University in the year 2006. He obtained his Ph.D degree from Anna University, Chennai in the year 2017. He has 20 years of experience in Teaching. Now he is working as Associate Professor in Department of Mechanical Engineering, R.M.K.College of Engineering and Technology, Chennai. His area of interest includes Alternative fuels for IC engine and Renewable energies. He has published 25 research papers in International and National journals and 25 research papers presented in International and National conferences.
K. Rajan
K. Rajan was born in Tamil Nadu, India on 25th April 1969. He received the Bachelor of Engineering degree in Mechanical Engineering in 1990 and Master of Engineering in Internal Combustion Engineering from College of Engineering, Guindy, Anna University in the year 2006. He obtained his Ph.D degree from Dr. M.G.R. Educational and Research Institute, Chennai (Deemed to be University) in the year 2011. He has 29 years of experience in Teaching and Industries. Now he is working as Professor in Department of Mechanical Engineering, Dr. M.G. R. Educational and Research Institute His area of interest includes I.C Engine Emission, Renewable Energy, Alternative fuels for IC engine and Thermal Energy Storage system. He has published 55 research papers in international journals and more than twenty five research papers presented in international and national conferences.