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    Monte-Carlo based laminar flame speed correlation for gasoline

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    Name:
    Flame speed correlation revised manuscript v31 unmarked.pdf
    Size:
    1.638Mb
    Format:
    PDF
    Description:
    Accepted manuscript
    Embargo End Date:
    2022-08-14
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    Type
    Article
    Authors
    Harbi, Ahmed A. cc
    Farooq, Aamir cc
    KAUST Department
    Chemical Kinetics & Laser Sensors Laboratory
    Clean Combustion Research Center
    Mechanical Engineering Program
    Physical Science and Engineering (PSE) Division
    Date
    2020-09-04
    Online Publication Date
    2020-09-04
    Print Publication Date
    2020-12
    Embargo End Date
    2022-08-14
    Submitted Date
    2020-05-06
    Permanent link to this record
    http://hdl.handle.net/10754/665099
    
    Metadata
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    Abstract
    Laminar flame speed and autoignition properties of gasoline play key role in the overall performance of spark-ignition and modern engines. Since gasoline is a complex fuel containing hundreds of species, it is not feasible to model all components present in gasoline. Researchers tend to employ surrogates, comprising of few components, that mimic targeted physical and chemical properties of gasoline. Detailed kinetic models of the surrogates can still be prohibitively large for CFD simulations and/or fuel-screening studies. For fuel-engine optimization efforts, it is highly desirable to have simple methods which can be used to accurately predict autoignition and laminar flame speed of real fuels. In this work, a laminar flame speed correlation is proposed for typical gasolines. This correlation is based on Monte-Carlo simulations of randomly generated mixtures comprising of 21 gasoline-relevant molecules. Laminar flame speed of each molecule is numerically computed over a wide range of thermodynamic conditions using detailed chemical kinetic models, and flame speed of each mixture is estimated with a suitable mixing rule. The proposed correlation is validated against experimentally-measured laminar flame speeds of various gasoline fuels.
    Citation
    Harbi, A., & Farooq, A. (2020). Monte-Carlo based laminar flame speed correlation for gasoline. Combustion and Flame, 222, 61–69. doi:10.1016/j.combustflame.2020.08.023
    Sponsors
    Research reported in this work was funded by the Office of Sponsored Research (OSR) at King Abdullah University of Science and Technology (KAUST).
    Publisher
    Elsevier BV
    Journal
    Combustion and Flame
    DOI
    10.1016/j.combustflame.2020.08.023
    Additional Links
    https://linkinghub.elsevier.com/retrieve/pii/S0010218020303461
    ae974a485f413a2113503eed53cd6c53
    10.1016/j.combustflame.2020.08.023
    Scopus Count
    Collections
    Articles; Physical Science and Engineering (PSE) Division; Mechanical Engineering Program; Clean Combustion Research Center

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