Experimental Investigation of SI Engine Performance Using Oxygenated Fuel-Reference-Cited by-同舟云学术

Experimental Investigation of SI Engine Performance Using Oxygenated Fuel

Published:2004-01-01 Issue:1 Volume:126 Page:178-191
ISSN:0742-4795
Container-title:Journal of Engineering for Gas Turbines and Power
language:en
Short-container-title:

Author:

Al-Farayedhi A. A.¹,Al-Dawood A. M.²,Gandhidasan P.¹

Affiliation:

1. Mechanical Engineering Department, King Fahd University of Petroleum and Minerals, Dhahran 31261, Saudi Arabia

2. Mechanical Technology Department, College of Technology at Dammam, Dammam 31472, Saudia Arabia

Abstract

The current experimental study aims to examine the effects of using oxygenates as a replacement of lead additives in gasoline on performance of a typical SI engine. The tested oxygenates are MTBE, methanol, and ethanol. These oxygenates were blended with a base unleaded fuel in three ratios (10, 15, and 20 vol.%). The engine maximum output and thermal efficiency were evaluated at a variety of engine operating conditions using an engine dynamometer setup. The results of the oxygenated blends were compared to those of the base fuel and of a leaded fuel prepared by adding TEL to the base. When compared to the base and leaded fuels, the oxygenated blends improved the engine brake thermal efficiency. The leaded fuel performed better than the oxygenated blends in terms of the maximum output of the engine except in the case of 20 vol.% methanol and 15 vol.% ethanol blends. Overall, the methanol blends performed better than the other oxygenated blends in terms of engine output and thermal efficiency.

Publisher

ASME International

Subject

Mechanical Engineering,Energy Engineering and Power Technology,Aerospace Engineering,Fuel Technology,Nuclear Energy and Engineering

Link

http://asmedigitalcollection.asme.org/gasturbinespower/article-pdf/126/1/178/5705076/178_1.pdf

Reference10 articles.

1. Al-Farayedhi, A. A., Al-Dawood, A. M., and Gandhidasan, P., 2000, “Effects of Blending MTBE With Unleaded Gasoline on Exhaust Emissions of SI Engines,” ASME J. Energy Resour. Technol., 122, pp. 239–247.

2. Al-Farayedhi, A. A., Al-Dawood, A. M., and Gandhidasan, P., “Effects of Blending Crude Ethanol With Unleaded Gasoline on Exhaust Emissions of SI Engine,” Proceedings of the International Fall Fuels and Lubricants Meeting and Exposition, Baltimore, MD, Oct. 16–19, SAE Paper No. 2000-01-2857.

3. Al-Dawood, Ali M., 1998, “Effects of Blending MTBE, Methanol, or Ethanol With Gasoline on Performance and Exhaust Emissions of SI Engines,” M.S. thesis, Mechanical Engineering Department, King Fahd University of Petroleum & Minerals, Dhahran.

4. Wang, X. et al., 1987, “Study of the Performance of MTBE Blended Unleaded Gasoline,” SAE Paper No. 871268.

5. Tsao, K. C., and Li, C., 1984, “Performance Comparison of Gasoline-Methanol Emulsions as Spark Ignition Engine Fuels,” SAE Paper No. 840241.

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