3D contaminant flow imaging in transparent granular porous media

R. Fernández Serrano, Magued Iskander, K. Tabe

Research output: Contribution to journalArticle

Abstract

A physical model based on transparent soil technology is presented as a novel laboratory tool for ground contamination research. The model aims to reproduce both unsaturated and saturated conditions within a Spanish soil formation known as Miga sand. A soil surrogate made of a waterabsorbing polymeric gel was employed. Multi-phase flow froma leaking underground storage tank was simulated in both saturated and unsaturated conditions in order to illustrate the usefulness of the technique in simulating a hypothetical spill of a light non-aqueous phase liquid under well-controlled test conditions. The plume observed was found to be spatially variable. The technique permits, for the first time, the simulation of specific grain size distributions in a transparent soil surrogate and visualization of plume development in three dimensions. Preliminary results indicate that the model is a potentially powerful tool for visualising pollutant transport in porous media. A brief description of the test setup, and a summary of the advantages, limitations, and prospective applications are presented.

Original languageEnglish (US)
Pages (from-to)71-78
Number of pages8
JournalGeotechnique Letters
Volume1
Issue number3
DOIs
StatePublished - Jul 2011

Fingerprint

Porous materials
porous medium
Impurities
Soils
Imaging techniques
pollutant
plume
underground storage
soil
nonaqueous phase liquid
multiphase flow
storage tank
pollutant transport
visualization
Multiphase flow
Hazardous materials spills
grain size
gel
Contamination
sand

Keywords

  • Model tests
  • Pollution migration/control
  • Sands

ASJC Scopus subject areas

  • Atmospheric Science

Cite this

3D contaminant flow imaging in transparent granular porous media. / Fernández Serrano, R.; Iskander, Magued; Tabe, K.

In: Geotechnique Letters, Vol. 1, No. 3, 07.2011, p. 71-78.

Research output: Contribution to journalArticle

Fernández Serrano, R. ; Iskander, Magued ; Tabe, K. / 3D contaminant flow imaging in transparent granular porous media. In: Geotechnique Letters. 2011 ; Vol. 1, No. 3. pp. 71-78.
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