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    Dynamical analysis of methanol-dimethyl ether autoignition at engine-relevant conditions

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    Type
    Conference Paper
    Authors
    Song, Wonsik
    Tingas, Efsthatios Al
    Im, Hong G. cc
    KAUST Department
    Mechanical Engineering Program
    Physical Science and Engineering (PSE) Division
    Clean Combustion Research Center (CCRC), King Abdullah University of Science and Technology (KAUST), Thuwal, 23955-6900, Saudi Arabia
    Clean Combustion Research Center
    Date
    2017-01-01
    Permanent link to this record
    http://hdl.handle.net/10754/666773
    
    Metadata
    Show full item record
    Abstract
    We have computationally investigated the auto-ignition of a methanol-air mixture with the addition of dimethyl ether at a high pressure and low-temperature environment aiming at its utilization to HCCI engines. It is found that the addition of dimethyl ether substantially reduced the ignition delay of the methanol-air mixture. This is caused by the inclusion of a specific chemical species and reaction of the dimethyl ether combustion. Comprehensive understanding of chemical pathways, as well as the important species and reactions, have been identified with the help of tools derived from the computational singular perturbation method.
    Sponsors
    Research reported in this publication was supported by the King Abdullah University of Science and Technology (KAUST)
    Publisher
    Combustion Institute
    Conference/Event name
    11th Asia-Pacific Conference on Combustion, ASPACC 2017
    Additional Links
    https://research.kaust.edu.sa/en/publications/dynamical-analysis-of-methanol-dimethyl-ether-autoignition-at-eng
    Collections
    Conference Papers; Physical Science and Engineering (PSE) Division; Mechanical Engineering Program; Clean Combustion Research Center

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