Interpretation of In Situ and Laboratory Thermal Measurements Resulting in Accurate Thermogeological Characterisation

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Title: Interpretation of In Situ and Laboratory Thermal Measurements Resulting in Accurate Thermogeological Characterisation
Authors: Hemmingway, Phil
Long, Michael (Michael M.)
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Date: Sep-2012
Online since: 2012-12-03T14:39:35Z
Abstract: Growing worldwide interest in the exploitation of geothermal energy resources has led to a scenario where the technology routinely forms part of building-scale renewable energy feasibility studies. A thorough understanding of site-specific thermogeological parameters is a vital design requirement of such systems and accurate measurement and interpretation of these parameters is necessary in order to inform scientifically rigorous system design. An overview of the theory underlying a number of laboratory and in situ thermal characterization testing methods and the results from a number of testing regimes carried out using the various thermal characterization equipment constructed in University College Dublin are presented. Results from both the laboratory steady-state and non-steady-state thermal analysis systems and the in situ thermal characterization system are shown to provide accurate measurements of soil and rock thermal parameters. In addition, the settlement profiles of a number of the tested materials were investigated in order to gain an in-sight into this potential drawback of exchanging the backfill material placed around electricity cables to optimize thermal transfer efficiency.
Type of material: Conference Publication
Publisher: Taylor & Francis
Copyright (published version): 2012 Taylor and Francis Group
Keywords: Site investigationThermal conductivityLab testingGeothermal
Subject LCSH: Geothermal engineering--Testing
Geothermal resources
Thermal conductivity
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Language: en
Status of Item: Peer reviewed
Is part of: Geotechnical and Geophysical Site Characterization 4 (eds. Roberto Quental Coutinho; Paul W. Mayne)
Conference Details: Geotechnical and Geophysical Site Characterization 4, September, 2012
ISBN: 9780415621366
Appears in Collections:Biosystems and Food Engineering Research Collection
Civil Engineering Research Collection

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