Design and development of a low-cost thermal response rig

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dc.contributor.author Hemmingway, Phil
dc.contributor.author Long, Michael (Michael M.)
dc.date.accessioned 2012-09-03T13:45:45Z
dc.date.available 2012-09-03T13:45:45Z
dc.date.copyright 2012 ICE Publishing Ltd. en
dc.date.issued 2012-08-01
dc.identifier.citation Proceedings of the Institution of Civil Engineers - Energy en
dc.identifier.issn 1751-4223
dc.identifier.issn 1751-4231 (E-ISSN)
dc.identifier.uri http://hdl.handle.net/10197/3772
dc.description.abstract A thermal response test (TRT) is a controlled insitu test during which a known quantity of heat energy is injected into a closed loop heat-exchanger pipe while the heat dissipation rate into the surrounding ground is monitored. Results from a test can be interpreted to determine a number of ground thermal parameters with are vital design requirements for any medium to large scale ground source energy system. This paper describes the design and construction of a low cost TRT rig and compares the results obtained from a test using the constructed rig and a commercially built rig in order to evaluate the accuracy of the constructed equipment. The TRT rig is designed in accordance with the following principles: keep construction costs low, improve the cost-efficiency of TRT testing by incorporating remote data transmission capability and ensure attainment of sufficient accuracy to satisfy the design requirements of ground source energy systems. Analysis of data collected by the TRT rigs result in a calculated thermal conductivity of 1.9 W/mK in both cases. This value falls within the range expected for the tested geological formation and confirms the accuracy of both test rigs. en
dc.description.sponsorship Irish Research Council for Science, Engineering and Technology en
dc.language.iso en en
dc.publisher Institution of Civil Engineers en
dc.relation.requires Civil, Structural and Environmental Engineering Research Collection en
dc.relation.requires Urban Institute Ireland Research Collection en
dc.subject TRT en
dc.subject Thermal response testing en
dc.subject Geothermal en
dc.subject Ground source energy en
dc.subject Renewable energy en
dc.subject Site investigation en
dc.subject Research & development en
dc.subject.lcsh Heat storage--Testing en
dc.subject.lcsh Geothermal engineering en
dc.subject.lcsh Thermal conductivity--Testing en
dc.subject.lcsh Renewable energy sources en
dc.title Design and development of a low-cost thermal response rig en
dc.type Journal Article en
dc.internal.availability Full text available en
dc.status Peer reviewed en
dc.identifier.volume 165 en
dc.identifier.issue 3 en
dc.identifier.startpage 137 en
dc.identifier.endpage 148 en
dc.identifier.doi 10.1680/ener.11.00029
dc.neeo.contributor Hemmingway|Phil|aut|
dc.neeo.contributor Long|Michael (Michael M.)|aut|
dc.internal.notes This paper has been accepted and can be uploaded - I will update it on the UCD OA system when I receive details of the Volume / issue number etc. en


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