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research article

Synchrotron X-ray microtomography and lattice Boltzmann simulations of gas flow through volcanic pumices

Degruyter, Wim
•
Burgisser, A.
•
Bachmann, O.
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2010
Geosphere

To illustrate the advances made in permeability calculations combining X-ray microtomography and lattice Boltzmann method simulations, a sample suite of different types of pumices was investigated. Large three-dimensional images at high spatial resolution were collected at three different synchrotron facilities (Elettra, SLS, and ESRF). Single phase gas flow simulations were done on computer clusters with a highly parallelized lattice Boltzmann code, named Palabos. Permeability measurements obtained by gas flow simulation were compared to lab measurements of pumices produced by the Kos Plateau Tuff eruption to validate the method. New permeability data for pumices from other silicic volcanic deposits is presented, and an empirical model for permeability is tested using geometrical and topological data, i.e., tortuosity, specific surface area, and total and connected porosity.

  • Details
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Type
research article
DOI
10.1130/GES00555.1
Web of Science ID

WOS:000282709700002

Author(s)
Degruyter, Wim
Burgisser, A.
Bachmann, O.
Malaspinas, O.
Date Issued

2010

Published in
Geosphere
Volume

6

Start page

470

End page

481

Subjects

Caldera-Forming Eruption

•

Porous-Media

•

Local Tomography

•

Permeability

•

Fragmentation

•

Sandstone

•

Transport

•

Complex

•

Magmas

•

Scale

Editorial or Peer reviewed

REVIEWED

Written at

EPFL

EPFL units
LIN  
Available on Infoscience
December 16, 2011
Use this identifier to reference this record
https://infoscience.epfl.ch/handle/20.500.14299/75103
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