Geothermal dynamic constraints of groundwater source heat pump system in shallow aquifers

Due to the temperature of shallow aquifers being affected by atmospheric temperature, groundwater source heat pumps (GWSHPs) become unstable and the operation efficiency of GWSHP is constrained. In the study, the coupling numerical simulation model of the groundwater flow field and temperature field...

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Main Authors: Fei Lin, Honglei Ren, Ting Wei, Yuezan Tao, Yucheng Li, Jie Yang
Format: Article
Language:English
Published: Frontiers Media S.A. 2023-01-01
Series:Frontiers in Energy Research
Subjects:
Online Access:https://www.frontiersin.org/articles/10.3389/fenrg.2022.928125/full
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author Fei Lin
Fei Lin
Honglei Ren
Ting Wei
Yuezan Tao
Yucheng Li
Jie Yang
author_facet Fei Lin
Fei Lin
Honglei Ren
Ting Wei
Yuezan Tao
Yucheng Li
Jie Yang
author_sort Fei Lin
collection DOAJ
description Due to the temperature of shallow aquifers being affected by atmospheric temperature, groundwater source heat pumps (GWSHPs) become unstable and the operation efficiency of GWSHP is constrained. In the study, the coupling numerical simulation model of the groundwater flow field and temperature field is established based on the continuous monitoring results in an actual experimental site, and the water and thermal migration of shallow aquifer is simulated under the influence of the atmospheric environment. The influence of the dynamic change in ground temperature is analyzed on a GWSHP. The results indicated that the temperature of the shallow aquifer is affected by the external temperature, and the recharge temperature in the summer cooling period was 33°C, and that in the winter heating period was 6°C in the actual site, to avoid the occurrence of thermal penetration when there is a gap between the actual situation and the design situation, the single cooler can balance the insufficient cooling capacity in summer under the most unfavorable situation. The research results can also provide a reference for the development and utilization of geothermal energy resources in shallow aquifers.
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spelling doaj.art-a404d55d7aa246b6bf43521ac8fa489b2023-01-06T06:49:00ZengFrontiers Media S.A.Frontiers in Energy Research2296-598X2023-01-011010.3389/fenrg.2022.928125928125Geothermal dynamic constraints of groundwater source heat pump system in shallow aquifersFei Lin0Fei Lin1Honglei Ren2Ting Wei3Yuezan Tao4Yucheng Li5Jie Yang6College of Civil Engineering, Hefei University of Technology, Hefei, ChinaSchool of Resources and Environmental Engineering, Anhui University, Hefei, ChinaCollege of Civil Engineering, Hefei University of Technology, Hefei, ChinaCollege of Civil Engineering, Hefei University of Technology, Hefei, ChinaCollege of Civil Engineering, Hefei University of Technology, Hefei, ChinaSchool of Resources and Environmental Engineering, Anhui University, Hefei, ChinaCollege of Civil Engineering, Hefei University of Technology, Hefei, ChinaDue to the temperature of shallow aquifers being affected by atmospheric temperature, groundwater source heat pumps (GWSHPs) become unstable and the operation efficiency of GWSHP is constrained. In the study, the coupling numerical simulation model of the groundwater flow field and temperature field is established based on the continuous monitoring results in an actual experimental site, and the water and thermal migration of shallow aquifer is simulated under the influence of the atmospheric environment. The influence of the dynamic change in ground temperature is analyzed on a GWSHP. The results indicated that the temperature of the shallow aquifer is affected by the external temperature, and the recharge temperature in the summer cooling period was 33°C, and that in the winter heating period was 6°C in the actual site, to avoid the occurrence of thermal penetration when there is a gap between the actual situation and the design situation, the single cooler can balance the insufficient cooling capacity in summer under the most unfavorable situation. The research results can also provide a reference for the development and utilization of geothermal energy resources in shallow aquifers.https://www.frontiersin.org/articles/10.3389/fenrg.2022.928125/fullgroundwater source heat pumpshallow aquifergeothermal dynamic varietynumerical simulationthermal penetrationconstraint condition
spellingShingle Fei Lin
Fei Lin
Honglei Ren
Ting Wei
Yuezan Tao
Yucheng Li
Jie Yang
Geothermal dynamic constraints of groundwater source heat pump system in shallow aquifers
Frontiers in Energy Research
groundwater source heat pump
shallow aquifer
geothermal dynamic variety
numerical simulation
thermal penetration
constraint condition
title Geothermal dynamic constraints of groundwater source heat pump system in shallow aquifers
title_full Geothermal dynamic constraints of groundwater source heat pump system in shallow aquifers
title_fullStr Geothermal dynamic constraints of groundwater source heat pump system in shallow aquifers
title_full_unstemmed Geothermal dynamic constraints of groundwater source heat pump system in shallow aquifers
title_short Geothermal dynamic constraints of groundwater source heat pump system in shallow aquifers
title_sort geothermal dynamic constraints of groundwater source heat pump system in shallow aquifers
topic groundwater source heat pump
shallow aquifer
geothermal dynamic variety
numerical simulation
thermal penetration
constraint condition
url https://www.frontiersin.org/articles/10.3389/fenrg.2022.928125/full
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AT tingwei geothermaldynamicconstraintsofgroundwatersourceheatpumpsysteminshallowaquifers
AT yuezantao geothermaldynamicconstraintsofgroundwatersourceheatpumpsysteminshallowaquifers
AT yuchengli geothermaldynamicconstraintsofgroundwatersourceheatpumpsysteminshallowaquifers
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