Experimental Investigation of Performance and Emission Characteristics of Diesel Engine Working on Diesel and Neem Oil Blend with Diethyl Ether as Additive
Journal Title: The International Journal of Technological Exploration and Learning - Year 2014, Vol 3, Issue 5
Abstract
The depletion of oil resources as well as the environmental regulation has led to the development of alternate energy sources. The present study covers the various aspects of biodiesels fuel derived from crude neem oil and performance emissions study on four stroke compression ignition engine with neem oil. Crude neem oil is converted to neem oil methyl esters by transesterification process. The obtained bio-diesel fuel properties are measured. In the initial stage the tests are conducted on the four stroke single cylinder water cooled direct injection diesel engine with constant speed by using diesel and base line data is generated by varying loads with constant loads. In second stage, experimental investigation has been carried out on the same engine with same operating parameters by using the neem oil of ethyl esters in different proportions as N10, N20 and N30 to find out the performance and emission. The performance and emission parameters obtained by the above are compared with the base line data obtained earlier by using diesel and optimum neem oil blend is obtained. After finding optimum blend, in the third stage tests are conducted on the same engine without any engine modifications with addition of DEE - diethyl ether (Ignition improver) 0.5%, 1 % volume ratios to optimum blend find out performance and emissions parameters. The main purpose of ignition improver is to improve combustion process and reduction in emissions. The results show that the performance and emissions parameters obtained by the above tests are to be compared with diesel base line data and optimum blend N20.The blend N20 with added ignition improver 10ml showed best performances increase in brake thermal efficiency, decrease in BSFC and reductions in emissions CO, CO2, HC, O2, NOx and smoke density.
Authors and Affiliations
J VijayKumar| M E (Thermal Engineering) Aditya Institute of Technology and Management, Tekkali, Srikakulam Dist.,, Andhra Pradesh, Dr. C J Rao| Professor, Department of Mechanical Enggineering, Aditya Institute of Technology and Management, Tekkali, Srikakulam Dist.,, Andhra Pradesh
Keywords
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