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An Experimental Study on the Combustion and Emission Characteristics of Blends of GTL / Biodiesel in Diesel Engine  

Moon, Gun-Feel (Department of Clean Environmental System, UST)
Lee, Yong-Gyu (ECO Machinery Division, Engine Research Team, KlMM)
Choi, Kyo-Nam (ECO Machinery Division, Engine Research Team, KlMM)
Jeong, Dong-Soo (ECO Machinery Division, Engine Research Team, KlMM)
Publication Information
Transactions of the Korean Society of Automotive Engineers / v.17, no.5, 2009 , pp. 39-45 More about this Journal
Abstract
An experimental research with 2.0 liter 4-cylinder turbocharged diesel engine was carried out to investigate the combustion and emission characteristics for various alternative fuels. The conventional diesel fuel, neat GTL, blends of 80% of GTL and 20% of biodiesel derived from waste cooking oil are utilized without any modification of engine hardware and ECU data. For GTL and blends of GTL/biodiesel fuel, the ignition delay decreased at the same operating conditions, and overall combustion duration increased slightly. Also, the peak cylinder pressure increased for blends of GTL/biodiesel compared to diesel and GTL fuel. THC and CO emissions with blends of GTL/biodiesel compared to other fuels decreased for the low and middle load conditions. But NOx emission increased due to oxygen content in biodiesel. The number concentrations of PM are higher for blends of GTL/biodiesel than other test fuels in the nucleation mode, while it had an opposite tendency in the accumulation mode, which implies more reduction of PM for blends of GTL/biodiesel on the base of mass concentration.
Keywords
Alternative diesel fuel; GTL(Gas to Liquid); Biodiesel; Ignition delay; Emission characteristics; PM(Particulate Matters);
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Times Cited By KSCI : 3  (Citation Analysis)
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