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    Mesoscopic evaluation of non-linear fluid flow through rough-walled fractures using 'T model'

    Access Status
    Fulltext not available
    Authors
    Javadi, M.
    Sharifzadeh, Mostafa
    Date
    2013
    Type
    Conference Paper
    
    Metadata
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    Citation
    Javadi, M. and Sharifzadeh, M. 2013. Mesoscopic evaluation of non-linear fluid flow through rough-walled fractures using 'T model', in Pyrak-Nolte, L. et al (ed), Proceedings of the 47th US Rock Mechanics/Geomechanics Symposium, Jun 23-26 2013, pp. 645-652. San Francisco, California: American Rock Mechanics Association (ARMA).
    Source Title
    47th US Rock Mechanics / Geomechanics Symposium 2013
    ISBN
    9781629931180
    School
    Dept of Mining Eng & Metallurgical Eng
    URI
    http://hdl.handle.net/20.500.11937/44999
    Collection
    • Curtin Research Publications
    Abstract

    The main subject of this paper is to examine the mesoscopic non-linear fluid flow through three-dimensional rough-walled fractures. Computational domain of an artificial three-dimensional fracture was generated and both laminar and turbulent flow through the void specimen were simulated using finite volume method for a wide range of flow rates. Geometrical domain of the fracture was discretized to 125 sub-fractures and calculated average pressure drop of sub-fractures from each flow rate of turbulent flow simulation were compared with those predicted by T model. The results show that: 1) by increasing Reynolds number, the difference between laminar and turbulent flow simulations increases as the relative error increases from 3.2% to 17.3% for Reynolds number of 4.5 to 89.5, respectively, 2) the effect of non-linear flow increases with Reynolds number and the Forchheimer law was fitted very well to both laminar and turbulent flow simulations, and T model predictions, 2) there is an appropriate correspondence between predicted sub-fracture's pressure drops obtained by T model and turbulent flow simulation. Copyright 2013 ARMA, American Rock Mechanics Association.

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