Experimental measurement of air-water interfacial area during gravity drainage and secondary imbibition in porous media
نویسندگان
چکیده
منابع مشابه
Measurement of interfacial area per volume for drainage and imbibition
[1] We investigate experimentally the functional relationship between capillary pressure, Pc, wetting phase saturation, Sw, and interfacial area per volume between the wetting and nonwetting phases, awn, for drainage and imbibition processes in micromodels of twodimensional pore structures. Within the experimental and analysis error (around 10–15%), the resulting Pc-Sw-awn surfaces were the sam...
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X-ray microtomography determination of air-water interfacial area-water saturation relationships in sandy porous media.
In this work, total smooth air-water interfacial areas were measured for a series of nine natural and model sandy porous media as a function of water saturation using synchrotron X-ray microtomography. Interfacial areas decreased linearly with water satuation, while the estimated maximum interfacial area compared favorably to the media geometric surface areas. Importantly, relative interfacial ...
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Accidental spillages or leakages of organic compound within the environment, released as non-aqueous phase liquid (NAPL), result a widespread contamination of subsurface soils and groundwater. In such multi-phase flow system in porous media, interphase mass transfer mainly governs the overall transport processes that occur in the interface between the two fluid phases. Air-liquid interfacial ar...
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ژورنال
عنوان ژورنال: Water Resources Research
سال: 2000
ISSN: 0043-1397
DOI: 10.1029/2000wr900007