Functionalized multiscale visual models to unravel flow and transport physics in porous structures

The fluid flow, species transport, and chemical reactions in geological formations are the chief mechanisms in engineering the exploitation of fossil fuels and geothermal energy, the geological storage of carbon dioxide (CO2), and the disposal of hazardous materials. Porous rock is characterized by...

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Veröffentlicht in:Water research (Oxford) Jg. 175; S. 115676
Hauptverfasser: Zhang, Yaqi, Khorshidian, Hossein, Mohammadi, Mehdi, Sanati-Nezhad, Amir, Hejazi, S. Hossein
Format: Journal Article
Sprache:Englisch
Veröffentlicht: England Elsevier Ltd 15.05.2020
Schlagworte:
Carbon Dioxide
Geology
geometry
geothermal energy
Hele-Shaw cells
Microfluidics
Multiphase flows
Nanofluidics
Packed beds
Physics
Porosity
Subsurface formations
surface area
Surface modifications
Surface Properties
Visual models
water
Packed beds
Surface modifications
Visual models
Subsurface formations
Multiphase flows
Nanofluidics
Hele-Shaw cells
Microfluidics
ISSN:0043-1354, 1879-2448, 1879-2448
Online-Zugang:Volltext
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Zusammenfassung:The fluid flow, species transport, and chemical reactions in geological formations are the chief mechanisms in engineering the exploitation of fossil fuels and geothermal energy, the geological storage of carbon dioxide (CO2), and the disposal of hazardous materials. Porous rock is characterized by a wide surface area, where the physicochemical fluid-solid interactions dominate the multiphase flow behavior. A variety of visual models with differences in dimensions, patterns, surface properties, and fabrication techniques have been widely utilized to simulate and directly visualize such interactions in porous media. This review discusses the six categories of visual models used in geological flow applications, including packed beds, Hele-Shaw cells, synthesized microchips (also known as microfluidic chips or micromodels), geomaterial-dominated microchips, three-dimensional (3D) microchips, and nanofluidics. For each category, critical technical points (such as surface chemistry and geometry) and practical applications are summarized. Finally, we discuss opportunities and provide a framework for the development of custom-built visual models. [Display omitted] •Six categories of visual models representing the porous structures of rocks are reviewed.•The pore-wall surface and geometric features in rocks and soils are evaluated.•Methods of surface functionalization of visual models are critically reviewed.•A guideline to custom-build and functionalize visual models for investigating multiphase flow in porous media is provided.
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ISSN:0043-1354
1879-2448
1879-2448
DOI:10.1016/j.watres.2020.115676