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Studies on Dual Fuel Operation of Karanja Oil and Its Bio-Diesel with LPG as the Inducted Fuel
Technical Paper
2006-01-0237
ISSN: 0148-7191, e-ISSN: 2688-3627
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English
Abstract
A diesel engine was operated with karanja oil, bio-diesel obtained from karanja oil (BDK) and diesel as pilot fuels while LPG was used as primary fuel. LPG supply was varied from zero to the maximum value that the engine could tolerate. The engine output was kept at different constant levels of 25%, 50%, 75% and 100% of full load. The thermal efficiency improved at high loads. Smoke level was reduced drastically at all loads. CO and HC levels were reduced at full load. There was a slight increase in the NO level. Combustion parameters indicated an increase in the ignition delay. Peak pressure and rate of pressure rise were not unfavorably affected. There was an increase in the peak heat release rate with LPG induction. The amount of LPG that could be tolerated with out knock at full load was 49%, 53% and 61% on energy basis with karanja oil, BDK and diesel as pilots. On the whole it is concluded that LPG can be inducted along with air in order to reduce smoke levels and improve thermal efficiency of vegetable oil and bio-diesel fuelled diesel engines.
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Nazar, J., Ramesh, A., and Nagalingam, B., "Studies on Dual Fuel Operation of Karanja Oil and Its Bio-Diesel with LPG as the Inducted Fuel," SAE Technical Paper 2006-01-0237, 2006, https://doi.org/10.4271/2006-01-0237.Also In
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