A numerical formalism to treat gas flow through porous media is proposed. The treatment of underground gas flow requires compressible fluid dynamics and a precise thermodynamic description, if the flow is caused by large pressure gradients. A real gas equation of state (EOS) is applied to include the Joule-Thomson effect. Conservation equations for mass, momentum, and energy; and all relevant thermodynamic relations are outlined. The temperature and pressure distribution around a leaky underground high-pressure gas pipeline is discussed as an example of practical interest.


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    Title :

    Theoretical investigation on gas flow through porous media due to large pressure gradients


    Contributors:
    Kasch, M. (author)

    Published in:

    Journal of Porous Media ; 1 , 3 ; 253-260


    Publication date :

    1998


    Size :

    8 Seiten, 8 Quellen



    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English