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

Fang Fang and Tayfun Babadagli

Chaos, Solitons & Fractals, 2017, vol. 95, issue C, 1-13

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.

Keywords: Solvent diffusion into porous media; 3-D imaging with laser; Fractal front; Fractal analysis; Convection (search for similar items in EconPapers)
Date: 2017
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Citations: View citations in EconPapers (2)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:chsofr:v:95:y:2017:i:c:p:1-13

DOI: 10.1016/j.chaos.2016.11.015

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