2D automaton simulation of bubble growth by solute diffusion in correlated porous media

Carlos Felipe, Raúl H. López, Ana M. Vidales, Armando Domínguez

Research output: Contribution to journalArticlepeer-review

8 Scopus citations

Abstract

Simulations of bubble growth in porous media were carried out via a 2D numerical automaton built under a set of hypotheses derived from experimental observations at pore scale. Various types of 2D numerical networks (320× 320 sites and corresponding bonds) were used as models of porous media to study the consequences of the spatial correlation length, ξ BB, existing among the porous network void entities with respect to the growth of a gas cluster by solute diffusion occurring therein. The studied range was ξ BB ∈ [0.86± 0.12, 10.63± 0.12], in lattice units. The results obtained show that bubble development is truly affected by ξ BB. The growth law exponent β changes as: β = 4.95 - 0.53 ξ BB + 0.04 ξ BB 2, while the fractal dimension of the gas cluster body, D f, varies as: D f = 1.31 + 0.04ξ BB.

Original languageEnglish
Pages (from-to)491-496
Number of pages6
JournalAdsorption
Volume11
Issue number1 SUPPL.
DOIs
StatePublished - Jul 2005
Externally publishedYes

Keywords

  • Automaton simulation
  • Bubble growth
  • Diffusion
  • Porous media
  • Spatial correlation

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