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Dynamics of diffusive and convective transport in porous media: A fractal analysis of 3-D images obtained by laser technology

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  • Fang, Fang
  • Babadagli, Tayfun

Abstract

The objective of this paper was to use laser imaging technique to visualize the diffusion controlled mass transfer process in porous media. Cubical models made of different materials (oil-wet plexiglass and water wet glass) and filled with 1mm and 4mm glass beads and different types of oils were used to visualize the -Fickian- diffusion of solvent with different densities and viscosities. 3-D visualization technique with laser sheet scanning of refractive index matched glass-bead-pack model was used to study the effect of permeability, solvent density, viscosity and boundary effect on mixing by diffusion. Three types of solvents were used: (1) solvent with density higher than oil but low viscosity, (2) solvent lighter than oil but has high viscosity, and (3) solvent lighter but less viscous than oil.

Suggested Citation

  • Fang, Fang & Babadagli, Tayfun, 2017. "Dynamics of diffusive and convective transport in porous media: A fractal analysis of 3-D images obtained by laser technology," Chaos, Solitons & Fractals, Elsevier, vol. 95(C), pages 1-13.
    • Handle: RePEc:eee:chsofr:v:95:y:2017:i:c:p:1-13
    DOI: 10.1016/j.chaos.2016.11.015
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    Cited by:

    1. Yang, Shanshan & Wang, Mengying & Zou, Mingqing & Sheng, Qiong & Cui, Ruike & Chen, Shuaiyin, 2023. "Permeability coupling model of multiple migration mechanisms in rough micro-fractures of shales," Chaos, Solitons & Fractals, Elsevier, vol. 174(C).
    2. Yang, Shanshan & Wang, Mengying & Zou, Mingqing & Sheng, Qiong & Cui, Ruike & Chen, Shuaiyin, 2023. "Gas transport law in inorganic nanopores considering the influence of cross section shape and roughness," Chaos, Solitons & Fractals, Elsevier, vol. 175(P2).

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