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  4. Numerical determination of pressure-dependent effective thermal conductivity in Berea sandstone
 
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2022
Journal Article
Titel

Numerical determination of pressure-dependent effective thermal conductivity in Berea sandstone

Abstract
In this paper, the methods of digital rock physics are applied to determine pressure-dependent effective thermal conductivity in rock samples. Simulations are performed with an in-house three-dimensional finite volume code. In the first step, four numerical models are derived from a given tomographic scan of Berea sandstone. Consequently, simulations of the thermal conductivity at ambient conditions are performed and validated with experimental data. In a second step, a new workflow for the determination of the pressure-dependent thermal conductivity in rock samples is elaborated, tested and calibrated. Results originating from the derived workflow show very good agreement with experimental data.
Author(s)
Siegert, Mirko
Ruhr-Universität Bochum
Gurris, Marcel
Hochschule Bochum
Finger, Claudia
Fraunhofer-Einrichtung für Energieinfrastrukturen und Geothermie IEG
Saenger, Erik H.
Fraunhofer-Einrichtung für Energieinfrastrukturen und Geothermie IEG
Zeitschrift
Geophysical prospecting
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DOI
10.1111/1365-2478.13155
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