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Synchrotron 4-dimensional imaging of two-phase flow through porous media

Published online by Cambridge University Press:  13 July 2016

F.H. Kim ,
D. Penumadu ,
P. Patel ,
X. Xiao ,
E.J. Garboczi ,
S.P. Moylan  and
M.A. Donmez
F.H. Kim*
Affiliation:
National Institute of Standards and Technology, Gaithersburg, MD
D. Penumadu
Affiliation:
University of Tennessee, Knoxville, Knoxville, TN
P. Patel
Affiliation:
University of Tennessee, Knoxville, Knoxville, TN
X. Xiao
Affiliation:
Argonne National Laboratory, Argonne, IL
E.J. Garboczi
Affiliation:
National Institute of Standards and Technology, Boulder, CO
S.P. Moylan
Affiliation:
National Institute of Standards and Technology, Gaithersburg, MD
M.A. Donmez
Affiliation:
National Institute of Standards and Technology, Gaithersburg, MD
*
*(Email: felix.kim@nist.gov)
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Abstract

Near real-time visualization of complex two-phase flow in a porous medium was demonstrated with dynamic 4-dimensional (4D) (3D + time) imaging at the 2-BM beam line of the Advanced Photon Source (APS) at Argonne National Laboratory. Advancing fluid fronts through tortuous flow paths and their interactions with sand grains were clearly captured, and formations of air bubbles and capillary bridges were visualized. The intense X-ray photon flux of the synchrotron facility made 4D imaging possible, capturing the dynamic evolution of both solid and fluid phases. Computed Tomography (CT) scans were collected every 12 s with a pixel size of 3.25 μm. The experiment was carried out to improve understanding of the physics associated with two-phase flow. The results provide a source of validation data for numerical simulation codes such as Lattice-Boltzmann, which are used to model multi-phase flow through porous media.

Keywords

x-ray tomographyporosityfluid
Type
Articles
Information
MRS Advances , Volume 1 , Issue 40: Characterization and Modeling of Materials , 2016 , pp. 2757 - 2761
Copyright
Copyright © Materials Research Society 2016 

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References

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