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Combined numerical and experimental study of microstructure and permeability in porous granular media

DOI zum Zitieren der Version auf EPub Bayreuth: https://doi.org/10.15495/EPub_UBT_00005638
URN to cite this document: urn:nbn:de:bvb:703-epub-5638-0

Title data

Eichheimer, Philipp ; Thielmann, Marcel ; Fujita, Wakana ; Golabek, Gregor J. ; Nakamura, Michihiko ; Okumura, Satoshi ; Nakatani, Takayuki ; Kottwitz, Maximilian O.:
Combined numerical and experimental study of microstructure and permeability in porous granular media.
In: Solid Earth. Vol. 11 (2020) Issue 3 . - pp. 1079-1095.
ISSN 1869-9529
DOI der Verlagsversion: https://doi.org/10.5194/se-11-1079-2020

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Project's official titleProject's id
Open Access PublizierenNo information

Project financing: Bundesministerium für Bildung und Forschung
Deutsche Forschungsgemeinschaft

Abstract

Fluid flow on different scales is of interest for several Earth science disciplines like petrophysics, hydrogeology and volcanology. To parameterize fluid flow in large-scale numerical simulations (e.g. groundwater and volcanic systems), flow properties on the microscale need to be considered. For this purpose experimental and numerical investigations of flow through porous media over a wide range of porosities are necessary. In the present study we sinter glass bead media with various porosities and measure the permeability experimentally. The microstructure, namely effective porosity and effective specific surface, is investigated using image processing. We determine flow properties like tortuosity and permeability using numerical simulations. We test different parameterizations for isotropic low-porosity media on their potential to predict permeability by comparing their estimations to computed and experimentally measured values.

Further data

Item Type: Article in a journal
DDC Subjects: 500 Science > 550 Earth sciences, geology
Institutions of the University: Research Institutions > Research Centres > Bavarian Research Institute of Experimental Geochemistry and Geophysics - BGI
Research Institutions
Research Institutions > Research Centres
Language: English
Originates at UBT: Yes
URN: urn:nbn:de:bvb:703-epub-5638-0
Date Deposited: 31 May 2021 07:02
Last Modified: 31 May 2021 07:02
URI: https://epub.uni-bayreuth.de/id/eprint/5638

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