Investigations on Performance and Emission Characteristics of Mix Oil Biodiesel Blends


1 Department of Mechanical Engineering, National Institute of Technology, Kurukshetra, India

2 Department of Mechanical Engineering, Delhi Technological University, New Delhi, India


An experimental investigation was carried out to analyze the performance and emission characteristics of a diesel engine fuelled with  biodiesel blends (10, 20 and 30%) obtained by mixing karanja and linseed oil and diesel. Brake thermal efficiencies of  biodiesel blends were found  to be comparable with diesel with a slight reduction. BSEC increased with the proportions of biodiesel in biodiesel blends. B30 was found to cause the lowest HC emissions and  the lowest CO emissions and diesel was found to deliver  the lowest NOx emissions among the fuels used at all loads. Considerable reduction up to 37.32 % was found in smoke opacity of biodiesel blends. The study  revealed that 10% biodiesel blend can be effectively used in an unmodified diesel engine.


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