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    High temperature shock tube experiments and kinetic modeling study of diisopropyl ketone ignition and pyrolysis

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    Name:
    DIPK ST paper 11-30_16_FINAL_Figs_Tables_Embedded_for_editting.pdf
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    Description:
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    Type
    Article
    Authors
    Barari, Ghazal
    Pryor, Owen
    Koroglu, Batikan
    Sarathy, Mani cc
    Masunov, Artëm E.
    Vasu, Subith S.
    KAUST Department
    Chemical Engineering Program
    Clean Combustion Research Center
    Combustion and Pyrolysis Chemistry (CPC) Group
    Physical Science and Engineering (PSE) Division
    Date
    2017-03-10
    Online Publication Date
    2017-03-10
    Print Publication Date
    2017-03
    Permanent link to this record
    http://hdl.handle.net/10754/622991
    
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    Abstract
    Diisopropyl ketone (DIPK) is a promising biofuel candidate, which is produced using endophytic fungal conversion. In this work, a high temperature detailed combustion kinetic model for DIPK was developed using the reaction class approach. DIPK ignition and pyrolysis experiments were performed using the UCF shock tube. The shock tube oxidation experiments were conducted between 1093K and 1630K for different reactant compositions, equivalence ratios (φ=0.5–2.0), and pressures (1–6atm). In addition, methane concentration time-histories were measured during 2% DIPK pyrolysis in argon using cw laser absorption near 3400nm at temperatures between 1300 and 1400K near 1atm. To the best of our knowledge, current ignition delay times (above 1050K) and methane time histories are the first such experiments performed in DIPK at high temperatures. Present data were used as validation targets for the new kinetic model and simulation results showed fair agreement compared to the experiments. The reaction rates corresponding to the main consumption pathways of DIPK were found to have high sensitivity in controlling the reactivity, so these were adjusted to attain better agreement between the simulation and experimental data. A correlation was developed based on the experimental data to predict the ignition delay times using the temperature, pressure, fuel concentration and oxygen concentration.
    Citation
    Barari G, Pryor O, Koroglu B, Sarathy SM, Masunov AE, et al. (2017) High temperature shock tube experiments and kinetic modeling study of diisopropyl ketone ignition and pyrolysis. Combustion and Flame 177: 207–218. Available: http://dx.doi.org/10.1016/j.combustflame.2016.12.003.
    Sponsors
    Research at UCF was supported by financial assistance from the Mechanical and Aerospace Department, Florida Space Institute, and competitive research funding from the King Abdullah University of Science and Technology (KAUST). The authors thank Joseph Lopez and Leigh Nash for help with the shock tube experiments. Acknowledgement is made to the donors of the American Chemical Society Petroleum Research Fund and Department of Energy (Grant number: DE-FE0025260) for partial financial support. Finally we would like to acknowledge the useful suggestions made by the anonymous reviewers for considerably improving this paper.
    Publisher
    Elsevier BV
    Journal
    Combustion and Flame
    DOI
    10.1016/j.combustflame.2016.12.003
    Additional Links
    http://www.sciencedirect.com/science/article/pii/S0010218016303662
    ae974a485f413a2113503eed53cd6c53
    10.1016/j.combustflame.2016.12.003
    Scopus Count
    Collections
    Articles; Physical Science and Engineering (PSE) Division; Chemical Engineering Program; Clean Combustion Research Center

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