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    Experimental investigation on the deflagration load under unconfined methane-air explosions

    Access Status
    Fulltext not available
    Authors
    Bao, Q.
    Fang, Q.
    Yang, S.
    Zhang, Y.
    Xiang, H.
    Chen, L.
    Li, Zhan
    Date
    2016
    Type
    Journal Article
    
    Metadata
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    Citation
    Bao, Q. and Fang, Q. and Yang, S. and Zhang, Y. and Xiang, H. and Chen, L. and Li, Z. 2016. Experimental investigation on the deflagration load under unconfined methane-air explosions. Fuel. 185: pp. 565-576.
    Source Title
    Fuel
    DOI
    10.1016/j.fuel.2016.07.126
    ISSN
    0016-2361
    School
    Department of Civil Engineering
    URI
    http://hdl.handle.net/20.500.11937/55630
    Collection
    • Curtin Research Publications
    Abstract

    © 2016 Elsevier Ltd 9 batches of unconfined methane-air deflagration tests were conducted to investigate the influential factors on the deflagration load. The methane-air mixture was filled in the cubic tents with different volumes of 1 m 3 , 8 m 3 and 27 m 3 . Methane concentrations varied from 7.5% to 11.5%, covering both lean and rich combustion regimes. The ground overpressure was recorded by using the piezoresistive sensors. An ideal film was validated before the tests. The effects of the methane concentration and gas volume on the deflagration load were analyzed. Based on the results, a new prediction model for the unconfined methane-air deflagration load was proposed. In addition, the model was compared with some existing models.

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