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Performance Improvement of a Portable Electric Generator Using an Optimized Bio-Fuel Ratio in a Single Cylinder Two-Stroke Engine

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Author(s): Norhisam Misron | Suhairi Rizuan | Aravind Vaithilingam | Nashiren Farzilah Mailah | Hanamoto Tsuyoshi | Yamada Hiroaki | Shirai Yoshihito

Journal: Energies
ISSN 1996-1073

Volume: 4;
Issue: 11;
Start page: 1937;
Date: 2011;
Original page

Keywords: generator output power | optimized blending ratio | bio-fuel

ABSTRACT
The performance of an electrical generator using bio-fuel and gasoline blends of different composition as fuel in a single cylinder engine is presented. The effect of an optimized blend ratio of bio-fuel with gasoline on engine performance improvement and thereby on the electrical generator output is studied. Bio-fuels such as ethanol, butanol and methanol are blended with gasoline in different proportions and evaluated for performance. The effects of different bio-fuel/gasoline blending ratios are compared experimentally with that of the gasoline alone using the output power developed by the electric generator as the evaluation parameter. With a composition of 10% ethanol–gasoline, the engine performance is increased up to 6% and with a blending ratio of 20% butanol–gasoline the performance is increased up to 8% compared to the use of 100% gasoline. The investigations are performed on a portable generator used in palm tree harvesting applications.
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