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TECHNICAL PAPERS

Effects of Blending MTBE With Unleaded Gasoline on Exhaust Emissions of SI Engine

[+] Author and Article Information
Abdulghani A. Al-Farayedhi

Mechanical Engineering Department, King Fahd University of Petroleum and Minerals, Dhahran 31261, Saudi Arabiae-mail: aghani@kfupm.edu.sa

A. M. Al-Dawood

Dammam Industrial Institute, Dammam 31451, Saudi Arabiae-mail: amdawood@yahoo.com

P. Gandhidasan

Mechanical Engineering Department, King Fahd University of Petroleum and Minerals, Dhahran 31261, Saudi Arabiae-mail: pgandhi@kfupm.edu.sa

J. Energy Resour. Technol 122(4), 239-247 (May 24, 2000) (9 pages) doi:10.1115/1.1288206 History: Received December 31, 1999; Revised May 24, 2000
Copyright © 2000 by ASME
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References

Heywood, J. B., 1988, Internal Combustion Engine Fundamentals, McGraw-Hill, New York, NY.
Gibbs,  L. M., 1996, “Gasoline Specifications, Regulations, and Properties,” Automot. Eng., 104, pp. 35–40.
Piel,  W. J., and Thomas,  R. X., 1990, “Oxygenates for Reformulated Gasoline,” Hydrocarbon Process., 69, pp. 68–73.
Al-Mutaz,  I. S., 1996, “How to Implement a Gasoline Pool Lead Phase-Down,” Hydrocarbon Process., 75, pp. 63–69.
Al-Dawood, A. 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, Saudi Arabia.
Furey, R. L., and King, J. B., 1980, “Evaporative and Exhaust Emissions From Cars Fueled With Gasoline Containing Ethanol or Methyl Tert-Butyl Ether,” SAE Paper 800261.
Naman, T. M., and Allsup, J. R., 1980, “Exhaust and Evaporative Emissions From Alcohol and Ether Fuel Blends,” SAE Paper 800858.
Wang, X., et al., 1987, “Study of the Performance of MTBE Blended Unleaded Gasoline,” SAE Paper 871268.
Gething, J. A., Welstan, J. S., and Horn, J. C., 1989, “Are the Reductions in Vehicle Carbon Monoxide Exhaust Emissions Proportional to the Fuel Oxygen Content,” SAE Paper 890216.
Hochhauser, A. M., et al., 1991, “The Effects of Aromatics, MTBE, Olefins, and T90 on Mass Exhaust Emissions From Current and Older Vehicles—The Auto/Oil Air Quality Improvement Research Program,” SAE Paper 912322.
Reuter, R. M., et al., 1992, “Effects of Oxygenated Fuels and RVP on Automotive Emissions—Auto/Oil Air Quality Improvement Program,” SAE Paper 920326.
Stump,  F. D., , 1994, “Influence of Oxygenated Fuels on the Emissions From Three Pre-1985 Light-Duty Passenger Vehicles,” J. Air Waste Manage. Assoc., 44, pp. 781–786.

Figures

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A schematic diagram illustrating the major testing facilities
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Effect of equivalence ratio on CO emissions
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Effect of spark timing on CO emissions
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CO emissions versus speed at a constant load of 340 kPa
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CO emissions versus speed at a constant load of 850 kPa
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Effect of load on CO emissions at a constant speed of 2000 rpm
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Effect of spark timing on CO emissions at idle speed
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Effect of equivalence ratio on HC emissions
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Effect of spark timing on HC emissions  
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Exhaust HC emissions versus speed at a constant load of 340 kPa
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Exhaust HC emissions versus speed at a constant load of 850 kPa
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Effect of load on HC emissions at a constant speed of 2000 rpm
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Effect of spark timing on HC emissions at idle speed
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Effect of equivalence ratio on NOx emissions
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Effect of spark timing on NOx emissions
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NOx emissions versus speed at a constant load of 340 kPa
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NOx emissions versus speed at a constant load of 850 kPa
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Effect of load on NOx emissions at a speed of 2000 rpm
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Effect of spark timing on NOx emissions at idle speed

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