Experimental Study of Engine Performance and Fuel Consumption Using Various Blends: Ethanol, Naphthalene and Palm Oil

Abstract:

The depletion of fossil fuel resource is creating demand for new renewable energy resources. An experimental study was conducted in order to determine effects of various fuel blends including small amount of ethanol, naphthalene and palm oil in petrol on a single cylinder spark ignition engine. Engine performance and fuel consumption were investigated using an engine dynamometer with various loads and engine speed. Engine performance was obtained by recording the engine torque during low, medium and high engine speed from 1200 rpm - 4700 rpm. Fuel consumption of the blends was determined by the brake specific fuel consumption. Palm oil showed about 50% reduction in engine torque for the blends of 3 % and 5 %, while naphthalene showed about 11% reduction for the engine torque when the engine speed is more than 4000 rpm. Ethanol showed a slight improvement of about 1% in engine torque. 20% of ethanol blending fuel gave out the best result in terms of torque. Besides, 20% of ethanol blend found to be decreased in fuel consumption for about 9% when running at 2500 rpm in comparison with 100% petrol.

• Periodical: Key Engineering Materials (Volume 701)
• Pages: 205-210
• DOI: https://doi.org/10.4028/www.scientific.net/KEM.701.205
• Online since: July 2016
• Authors: Mohammad Irfan Hazmi Ismail, Rusli Othman, Loke Kean Koay*
• Keywords: Dynamometer, Engine Speed, Fuel Additives, Specific Fuel Consumption, Torque

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