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A preliminary study of the effect of groundwater flow on the thermal front created by borehole heat exchangers
Author(s)
Date Issued
December 2014
Date Available
22T04:00:08Z December 2013
Abstract
This paper presents an analysis performed using a coupled TEMP/W-SEEP/W finite element model to consider both the conducive and convective effects of groundwater flow on the thermal regime created by a ground source energy system. The change in the development of the sub-surface thermal regime created by ground source energy borehole heat exchangers caused by a groundwater flow across a site, relative to a scenario where groundwater flow does not exist is examined. Analysis is performed using finite element formulations of both single borehole and multi borehole systems. The results of this work show that even a modest groundwater flow across a site can lead to a significant change in the development of the sub-surface thermal regime. It also shows that groundwater flow can result in implications for: proposed developments incorporating ground source energy systems; nearby existing ground source energy systems; potential future nearby ground source energy systems and the use of established software packages currently used for the design of ground source energy systems in the industry.
Type of Material
Journal Article
Publisher
OUP
Journal
International Journal of Low-Carbon Technologies
Volume
9
Issue
4
Start Page
284
End Page
295
Copyright (Published Version)
2012 OUP
Subject – LCSH
Geothermal resources
Ground source heat pump systems
Groundwater
Finite element method
Language
English
Status of Item
Peer reviewed
This item is made available under a Creative Commons License
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Effect_of_groundwater_on_geothermal_BHEs_UCD_OA.pdf
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