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An Experimental Study on the Performance and Characteristics of Emission for an S.I. Engine with Methanol-Reformulated Fuel
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 Title & Authors
An Experimental Study on the Performance and Characteristics of Emission for an S.I. Engine with Methanol-Reformulated Fuel
Jang, Yeong-Jun; Choe, Seung-Hwan; Ha, Cheol-Ho; Jeon, Chung-Hwan;
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There are many regulation test methods to be related with engine emissions such as CVS-75, D-13, ECE-15 modes and so on. Most of these modes are consisted of lots of transient conditions that have rapid acceleration, deceleration and cranking modes. In this experimental research, the engine characteristics of cranking, accelerating and power output in a S.I. engine were studied to compare with neat gasoline and alternative fuels of M30 (methanol 30%, aromatic series 32%, non-aromatic 38%) and M50 (methanol 50%, aromatic 30%, non-aromatic 20%) for performance and exhaust emissions. The results show that reformulated methanol fuels are better emissions reduction of 15.7% over than that of neat gasoline fuel especially in HC and CO emissions at cranking mode. And the accelerating performances coincide with the results of distillation curve. CO concentration for M50 fuel is varied in a just little for the condition of slow acceleration. At wide-open throttle condition, brake specific energy consumption of reformulated fuels is increased and thermal efficiency is some what lower than that of gasoline fuel.
Methanol-Reformulated Fuel;Cranking Characteristics;Acceleration Characteristics;Full Load Performance;
 Cited by
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