Loveridge, F orcid.org/0000-0002-6688-6305 and Powrie, W (2014) G-Functions for multiple interacting pile heat exchangers. Energy, 64. pp. 747-757. ISSN 0360-5442
Abstract
Pile heat exchangers – where heat transfer pipes are cast into the building piled foundations – offer an opportunity to use ground energy systems without the additional construction costs related to the provision of special purpose heat exchangers. However, analysis methods for pile heat exchangers are still under development. In particular there is an absence of available methods and guidance for the amount of thermal interaction that may occur between adjacent pile heat exchangers and the corresponding reduction in available energy that this will cause. This is of particular importance as the locations of foundation piles are controlled by the structural demands of the building and cannot be optimised with respect to the thermal analysis. This paper presents a method for deriving G-functions for use with multiple pile heat exchangers. Example functions illustrate the primary importance of pile spacing in controlling available energy, followed by the number of piles within any given arrangement. Significantly it was found that the internal thermal behaviour of a pile is not influenced appreciably by adjacent piles.
Metadata
Item Type: | Article |
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Authors/Creators: |
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Copyright, Publisher and Additional Information: | © 2013 Elsevier Ltd. This is an author produced version of a paper published in Energy. Uploaded in accordance with the publisher's self-archiving policy. |
Keywords: | Ground heat exchanger; Pile; Ground energy system; Ground source heat pump system |
Dates: |
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Institution: | The University of Leeds |
Academic Units: | The University of Leeds > Faculty of Engineering & Physical Sciences (Leeds) > School of Civil Engineering (Leeds) > Institute for Resilient Infrastructure (Leeds) |
Depositing User: | Symplectic Publications |
Date Deposited: | 29 Sep 2016 11:40 |
Last Modified: | 17 Jan 2018 04:06 |
Published Version: | http://dx.doi.org/10.1016/j.energy.2013.11.014 |
Status: | Published |
Publisher: | Elsevier |
Identification Number: | 10.1016/j.energy.2013.11.014 |
Open Archives Initiative ID (OAI ID): | oai:eprints.whiterose.ac.uk:104829 |