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dc.contributor.authorYeh, Hund-Deren_US
dc.contributor.authorYang, Shaw-Yangen_US
dc.contributor.authorLi, Kuang-Yien_US
dc.date.accessioned2014-12-08T15:21:34Z-
dc.date.available2014-12-08T15:21:34Z-
dc.date.issued2012-01-01en_US
dc.identifier.issn0363-9061en_US
dc.identifier.urihttp://dx.doi.org/10.1002/nag.994en_US
dc.identifier.urihttp://hdl.handle.net/11536/15332-
dc.description.abstractThis study aims to model temperature distributions in an aquifer thermal extraction (ATE) system that contains a single extraction well in a thin confined aquifer. The aquifer is bounded by hot dry rocks with different thermomechanical properties and thicknesses. Based on the heat convectionconduction equation, a mathematical model is developed to describe the spatial and temporal temperature distributions of the ATE systems. The mechanisms of heat transfer in the model involve horizontal convection and thermal conduction in the aquifer, and vertical thermal conduction in both rocks. A semi-analytical solution in dimensionless form is developed using the Laplace transform technique and its corresponding time-domain result is computed by the modified Crump method. In addition, the steady-state solution is obtained by applying the final value theorem. The simulation results from the semi-analytical solution indicate that the aquifer temperature distributions are affected by aquifer thickness, the thermomechanical properties of the aquifer and rocks, geothermal gradient, outer boundary temperatures of the rocks, extraction rate, and operating time. The present solution can be used as a preliminary tool for assessing heat extraction efficiency in ATE systems. Copyright (c) 2010 John Wiley & Sons, Ltd.en_US
dc.language.isoen_USen_US
dc.subjectgeothermal extractionen_US
dc.subjectsemi-analytical solutionen_US
dc.subjectheat transferen_US
dc.subjectaquifer thermal extraction (ATE)en_US
dc.titleHeat extraction from aquifer geothermal systemsen_US
dc.typeArticleen_US
dc.identifier.doi10.1002/nag.994en_US
dc.identifier.journalINTERNATIONAL JOURNAL FOR NUMERICAL AND ANALYTICAL METHODS IN GEOMECHANICSen_US
dc.citation.volume36en_US
dc.citation.issue1en_US
dc.citation.spage85en_US
dc.citation.epage99en_US
dc.contributor.department環境工程研究所zh_TW
dc.contributor.departmentInstitute of Environmental Engineeringen_US
dc.identifier.wosnumberWOS:000298476400006-
dc.citation.woscount2-
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