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PANG Zhan-Xi. Numerical simulation and experimental investigation on steady flow foam in porous media[J]. Chinese Journal of Theoretical and Applied Mechanics, 2008, 40(5): 599-604. DOI: 10.6052/0459-1879-2008-5-2007-141
Citation: PANG Zhan-Xi. Numerical simulation and experimental investigation on steady flow foam in porous media[J]. Chinese Journal of Theoretical and Applied Mechanics, 2008, 40(5): 599-604. DOI: 10.6052/0459-1879-2008-5-2007-141
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Numerical simulation and experimental investigation on steady flow foam in porous media

  • Received Date: March 25, 2007
  • Revised Date: February 21, 2008
    Graphical Abstract
    • Abstract
  • Porous media is firstly simplified as a bunch ofconstricted capillary tubes related to grain diameter, particle arrangement,pore-throat scaling ratio and saturation of immobile water. Based on thedeformation characteristics of a single bubble in throat and pore of porousmedia, pressure distribution of fluid phase is derived from the conservationof momentum in a single pore unit, to obtain the equation for pressuredistribution in porous media. Moreover, the experiments on flow foam inU-shape sandpack are investigated. The results demonstrate the lineardecreasing pressure distribution of steady foams in porous media and theinfluencing factors, i.e., pore-throat structure, flowing rate and qualityof foams, interfacial tension of gas and liquid, bubble size in pore media.Furthermore, the results show further that pore-throat structure and foamquality have the most influence on the blocking ability of foams in porousmedia.
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