A twin cylinder, constant speed, direct injection CI (diesel) engine was run on jatropha biodiesel and diesel fuel blends. The engine was directly coupled to a hydraulic dynamometer whose load was varied by adjusting load wheel on the top of the engine. The test results were recorded for pure diesel, pure biodiesel (B100) and different diesel/biodiesel blends. The performance characteristics shows that brake specific fuel consumption (BSFC) decreases rapidly with increase of load up to 4.0 to 4.5 kW (55% to 62% of full load) and then decreases slowly. This result also indicates that BSFC increases when the percentage of biodiesel in the blends is increased. Brake thermal efficiency also increases from high biodiesel blends to pure diesel fuel. Each fuel curve shows maximum efficiency reaches at the load range of 5.0 to 5.5 kW (68% to 75% of full load). Pure diesel has maximum efficiency 29.6%, where as pure biodiesel has maximum efficiency of 21.2%. The exhaust gas temperature increases with the load for all fuel blends. Pure biodiesel gives higher exhaust temperature (320°C) than pure diesel (260°C). The exhaust gas temperature increases with the higher percentage of biodiesel blends in different fuel blends. The probable reason for that is biodiesel contains oxygen atoms which make the combustion process complete and hence more energy is released. In respect of emission characteristics, carbon mono-oxide (CO) and hydrocarbon emissions are improved with the addition of biodiesel to diesel. But these emissions increase with the increase of load for all fuel blends. NOx emission increases with load as well as percentage of blending of biodiesel in the diesel fuel.
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ASME 2009 3rd International Conference on Energy Sustainability collocated with the Heat Transfer and InterPACK09 Conferences
July 19–23, 2009
San Francisco, California, USA
Conference Sponsors:
- Advanced Energy Systems Division and Solar Energy Division
ISBN:
978-0-7918-4889-0
PROCEEDINGS PAPER
An Experimental Study on the Performance and Emission Characteristics of Jatropha Biodiesel Fuelled CI Engine Available to Purchase
Samiddha Palit,
Samiddha Palit
Bengal Engineering and Science University, Shibpur, Howrah, India
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Bijan Kumar Mandal,
Bijan Kumar Mandal
Bengal Engineering and Science University, Shibpur, Howrah, India
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Sudip Ghosh,
Sudip Ghosh
Bengal Engineering and Science University, Shibpur, Howrah, India
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Arup Jyoti Bhowal
Arup Jyoti Bhowal
Heritage Institute of Technology, Kolkata, India
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Samiddha Palit
Bengal Engineering and Science University, Shibpur, Howrah, India
Bijan Kumar Mandal
Bengal Engineering and Science University, Shibpur, Howrah, India
Sudip Ghosh
Bengal Engineering and Science University, Shibpur, Howrah, India
Arup Jyoti Bhowal
Heritage Institute of Technology, Kolkata, India
Paper No:
ES2009-90134, pp. 131-136; 6 pages
Published Online:
September 29, 2010
Citation
Palit, S, Mandal, BK, Ghosh, S, & Bhowal, AJ. "An Experimental Study on the Performance and Emission Characteristics of Jatropha Biodiesel Fuelled CI Engine." Proceedings of the ASME 2009 3rd International Conference on Energy Sustainability collocated with the Heat Transfer and InterPACK09 Conferences. ASME 2009 3rd International Conference on Energy Sustainability, Volume 1. San Francisco, California, USA. July 19–23, 2009. pp. 131-136. ASME. https://doi.org/10.1115/ES2009-90134
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