Performance and Exhaust Analysis of Direct Injection Diesel Engine Running on Dual Fuel
|International Journal of Engineering Trends and Technology (IJETT)||
|© 2014 by IJETT Journal|
|Year of Publication : 2014|
|Authors : Hossam E. SALEH , Ramadan MH. Elsanousi
Hossam E. SALEH , Ramadan MH. Elsanousi. "Performance and Exhaust Analysis of Direct Injection Diesel Engine Running on Dual Fuel", International Journal of Engineering Trends and Technology (IJETT), V15(2),82-93 Sep 2014. ISSN:2231-5381. www.ijettjournal.org. published by seventh sense research group
The propane (LPG) is one of the best candidates for an alternative fuel in dual fuel engines which operate primarily on any type of gaseous fuel using pilot injection of diesel to achieve ignition. An experimental investigation of the effect of LPG /diesel blend Fuel on emissions and performance in a dual fuel diesel engine is presented to obtain the best mass ratio of substitution of the diesel fuel with maintaining high thermal efficiency comparable to a conventional engine. The direct injection diesel engine was converted to pilot-injected dual fuel operation to operate under LPG /diesel blend Fuel for a range of load variations. From the results, it is shown that, The test engine ran smoothly and satisfactorily up to 90% of diesel fuel substitution and the ratio of = 40% substitution of the diesel fuel is the best for maintaining the high thermal efficiency comparable to a conventional engine. At part loads, tests were made by using the Exhaust Gas Recirculation (EGR) method to improve the engine performances and exhaust emissions. A better trade-off between CO and emissions for fuel #2 can be attained within a limited EGR rate of 5% ~ 15% at part loads.
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