Laminar burning speed and ignition delay time behavior of iso-octane at the presence of two different biofuels, ethanol and 2,5 dimethyl furan (DMF), was studied in this work. Biofuels are considered as a better alternative source of fossil fuels. There is a potentiality that combustion characteristics of iso-octane can be improved using biofuels as an oxygenated additive. In this study, three different blending ratios of 5%, 25%, and 50% of ethanol/iso-octane and DMF/iso-octane were investigated. For laminar burning speed calculation, equivalence ratio of 0.6–1.4 was considered. Ignition delay time was measured under temperature ranges from 650 K to 1100 K. Two different mechanisms were considered in numerical calculation. These mechanisms were validated by comparing the results of pure fuels with wide range of experimental and numerical data. The characteristic change of iso-octane with the presence of additives was observed by comparing the results with pure fuel. Significant change was observed on behavior of iso-octane at 50% blending ratio. A comparison was also done on the effect of two different additives. It has found that addition of DMF brings significant changes on iso-octane characteristics comparing to ethanol.
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February 2019
Research-Article
Understanding the Effect of Oxygenated Additives on Combustion Characteristics of Gasoline
Shrabanti Roy,
Shrabanti Roy
Department of Mechanical Engineering,
Mississippi State University,
Starkville, MS 39762
Mississippi State University,
Starkville, MS 39762
Search for other works by this author on:
Saeid Zare,
Saeid Zare
Department of Mechanical Engineering,
Mississippi State University,
Starkville, MS 39762
Mississippi State University,
Starkville, MS 39762
Search for other works by this author on:
Omid Askari
Omid Askari
Department of Mechanical Engineering,
Mississippi State University,
Starkville, MS 39762
Mississippi State University,
Starkville, MS 39762
Search for other works by this author on:
Shrabanti Roy
Department of Mechanical Engineering,
Mississippi State University,
Starkville, MS 39762
Mississippi State University,
Starkville, MS 39762
Saeid Zare
Department of Mechanical Engineering,
Mississippi State University,
Starkville, MS 39762
Mississippi State University,
Starkville, MS 39762
Omid Askari
Department of Mechanical Engineering,
Mississippi State University,
Starkville, MS 39762
Mississippi State University,
Starkville, MS 39762
Contributed by the Advanced Energy Systems Division of ASME for publication in the JOURNAL OF ENERGY RESOURCES TECHNOLOGY. Manuscript received August 10, 2018; final manuscript received August 22, 2018; published online September 26, 2018. Editor: Hameed Metghalchi.
J. Energy Resour. Technol. Feb 2019, 141(2): 022205 (10 pages)
Published Online: September 26, 2018
Article history
Received:
August 10, 2018
Revised:
August 22, 2018
Citation
Roy, S., Zare, S., and Askari, O. (September 26, 2018). "Understanding the Effect of Oxygenated Additives on Combustion Characteristics of Gasoline." ASME. J. Energy Resour. Technol. February 2019; 141(2): 022205. https://doi.org/10.1115/1.4041316
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