Effect of Injection Pressure on Ignition Delay and Combustion Duration of Diesel Engine with Biodiesel (Jatropha Oil) and Its Blends
Journal Title: International Journal of Modern Engineering Research (IJMER) - Year 2014, Vol 4, Issue 1
Abstract
This paper discusses the combustion characteristics of jatropha methyl ester (further biodiesel) in direct injection diesel engine with injection pressure range from 100 bar to 300 bar and variation of ambient air pressure from 5 bar to 25 bar. The experiments were carried out in a constant volume combustion chamber under conditions similar to the real engine condition using a single holepintle nozzle for the various blends i.e., B20 and B40 and the results were compared with the neat diesel. The combustion characteristics such as ignition delay and combustion duration were computed. The results showed that for all test fuels the reduction in ignition delay increases with the increase in injection pressure during all ambient air pressure. Analysis of combustion characteristics also shows that the combustion durations of JME were more than diesel fuel but with the increase in injection pressure from 100 to 300 bar leads to reduction in combustion duration.
Authors and Affiliations
Mr. Alireza Valipour
Keywords
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