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    Effects of non-thermal plasma on turbulent premixed flames of ammonia/air in a swirl combustor

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    Name:
    Plasma-assisted ammonia combustion - Fuel.pdf
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    1.805Mb
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    Description:
    Accepted Manuscript
    Embargo End Date:
    2024-04-29
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    1-s2.0-S0016236122010559-mmc1.pdf
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    Embargo End Date:
    2024-04-29
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    Type
    Article
    Authors
    Kim, Gyeong Taek
    Park, Jeong
    Chung, Suk Ho cc
    Yoo, Chun Sang cc
    KAUST Department
    Mechanical Engineering Program
    Physical Science and Engineering (PSE) Division
    Clean Combustion Research Center
    Date
    2022-04-29
    Embargo End Date
    2024-04-29
    Permanent link to this record
    http://hdl.handle.net/10754/676699
    
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    Abstract
    The effects of non-thermal plasma (NTP) induced by a dielectric barrier discharge (DBD) reactor on the stability of turbulent lean and rich premixed ammonia/air flames and the NOx emission characteristics in a modified model gas turbine combustor are experimentally investigated by varying the applied AC voltage, , frequency, , and the mean mixture velocity, . Applying NTP to ammonia/air flames augments the flame stability such that the stable flame regime is extended to lower equivalence ratio, , under fuel-lean conditions or higher under fuel-rich conditions. NTP is found to significantly reduce the amount of NOx emission for both lean and rich premixed ammonia/air flames and the amount of NOx emission is well correlated with . The reduction of NOx emission through NH2 reactions is also identified by measuring NH chemiluminescence.
    Citation
    Kim, G. T., Park, J., Chung, S. H., & Yoo, C. S. (2022). Effects of non-thermal plasma on turbulent premixed flames of ammonia/air in a swirl combustor. Fuel, 323, 124227. https://doi.org/10.1016/j.fuel.2022.124227
    Sponsors
    Supported by Basic Science Research Program through the National Research Foundation of Korea (NRF) funded by the Ministry of Science and ICT (NRF-2021R1A2C2005606). JP was supported by the Fundamental Study Program of the Korea Electric Power Corporation (2022). SHC was supported by the King Abdullah University of Science and Technology (KAUST) .
    Publisher
    Elsevier BV
    Journal
    Fuel
    DOI
    10.1016/j.fuel.2022.124227
    Additional Links
    https://linkinghub.elsevier.com/retrieve/pii/S0016236122010559
    ae974a485f413a2113503eed53cd6c53
    10.1016/j.fuel.2022.124227
    Scopus Count
    Collections
    Articles; Physical Science and Engineering (PSE) Division; Mechanical Engineering Program; Clean Combustion Research Center

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