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Numerical Modeling of Geothermal Use of Mine Water: Challenges and Examples

Renz, A. ; Rühaak, W. ; Schätzl, P. ; Diersch, H.-J. G. (2009)
Numerical Modeling of Geothermal Use of Mine Water: Challenges and Examples.
In: Mine Water and the Environment, 28 (1)
Article, Bibliographie

Abstract

Geothermal energy, including the geothermal use of mine water, is increasingly important, due to ecological and economical reasons. Numerical flow and heat transport models can help to estimate the efficiency of such facilities. In addition, it is possible to test different configurations. However, the modeling of mine voids is challenging because it is necessary to simultaneously solve the heat transport in the surrounding porous medium and within the mine workings. Different modeling approaches are demonstrated, such as 2-D cross-sections, 2-D models with 1-D elements for the mine workings, and 3-D models. It is shown that numerical simulations can provide sufficient validity for specific modeling goals. However, none of the currently feasible modeling strategies can be seen as a perfect and fully physical solution. Suggestions are given on how to use the different approaches.

Item Type: Article
Erschienen: 2009
Creators: Renz, A. ; Rühaak, W. ; Schätzl, P. ; Diersch, H.-J. G.
Type of entry: Bibliographie
Title: Numerical Modeling of Geothermal Use of Mine Water: Challenges and Examples
Language: English
Date: 2009
Journal or Publication Title: Mine Water and the Environment
Volume of the journal: 28
Issue Number: 1
Abstract:

Geothermal energy, including the geothermal use of mine water, is increasingly important, due to ecological and economical reasons. Numerical flow and heat transport models can help to estimate the efficiency of such facilities. In addition, it is possible to test different configurations. However, the modeling of mine voids is challenging because it is necessary to simultaneously solve the heat transport in the surrounding porous medium and within the mine workings. Different modeling approaches are demonstrated, such as 2-D cross-sections, 2-D models with 1-D elements for the mine workings, and 3-D models. It is shown that numerical simulations can provide sufficient validity for specific modeling goals. However, none of the currently feasible modeling strategies can be seen as a perfect and fully physical solution. Suggestions are given on how to use the different approaches.

Uncontrolled Keywords: Engineering
Divisions: 11 Department of Materials and Earth Sciences > Earth Science > Geothermal Science and Technology
11 Department of Materials and Earth Sciences > Earth Science
11 Department of Materials and Earth Sciences
Date Deposited: 06 Nov 2014 13:26
Last Modified: 07 Nov 2014 13:34
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