Effect of Rubber Seed Oil and Palm Oil Biodiesel Diesel Blends on Diesel Engine Emission and Combustion Characteristics

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Diesel engine emission has been considered as major air pollution sources. Feedstocks blending method is motivated by cost reduction and property enhancement. In this paper crude rubber seed oil and palm oil are mixed in 50:50 vol. % and converted to biodiesel. Thermophysical property of the biodiesel was studied. Blends with varying contents of diesel and biodiesel 5-20 vol. % were prepared. Engine emissions and combustion characteristics were measured and analysed. The CO emission was reduced but the exhaust gas temperature and NOx emission increased proportional to the blends ratio. Premixed combustion phase in all tested blends start earlier the neat diesel .Short ignition delay and lower heat release rate were noticed.

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323-327

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November 2014

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© 2015 Trans Tech Publications Ltd. All Rights Reserved

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