Please use this identifier to cite or link to this item: https://hdl.handle.net/20.500.14279/19299
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dc.contributor.authorChristodoulides, Paul-
dc.contributor.authorVieira, Ana-
dc.contributor.authorLenart, Stanislav-
dc.contributor.authorMaranha, João Ribas-
dc.contributor.authorVidmar, Gregor-
dc.contributor.authorPopov, Rumen-
dc.contributor.authorGeorgiev, Aleksandar G.-
dc.contributor.authorAresti, Lazaros-
dc.contributor.authorFlorides, Georgios A.-
dc.date.accessioned2020-10-29T09:20:19Z-
dc.date.available2020-10-29T09:20:19Z-
dc.date.issued2020-08-02-
dc.identifier.citationEnergies, 2020, vol. 13, no. 16, articl. no. 4273en_US
dc.identifier.issn19961073-
dc.identifier.urihttps://hdl.handle.net/20.500.14279/19299-
dc.description.abstractShallow geothermal energy systems (SGES) may take different forms and have recently taken considerable attention due to energy geo-structures (EGS) resulting from the integration of heat exchange elements in geotechnical structures. Still, there is a lack of systematic design guidelines of SGES. Hence, in order to contribute towards that direction, the current study aims at reviewing the available SGES modeling options along with their various aspects and practices. This is done by first presenting the main analytical and numerical models and methods related to the thermal behavior of SGES. Then, the most important supplementary factors affecting such modeling are discussed. These include: (i) the boundary conditions, in the form of temperature variation or heat flow, that majorly affect the predicted thermal behavior of SGES; (ii) the spatial dimensions that may be crucial when relaxing the infinite length assumption for short heat exchangers such as energy piles (EP); (iii) the determination of SGES parameters that may need employing specific techniques to overcome practical difficulties; (iv) a short-term vs. long-term analysis depending on the thermal storage characteristics of GHE of different sizes; (v) the influence of groundwater that can have a moderating effect on fluid temperatures in both heating and cooling modes. Subsequently, thermo-mechanical interactions modeling issues are addressed that may be crucial in EGS that exhibit a dual functioning of heat exchangers and structural elements. Finally, a quite lengthy overview of the main software tools related to thermal and thermo-hydro-mechanical analysis of SGES that may be useful for practical applications is given. A unified software package incorporating all related features of all SGES may be a future aim.en_US
dc.formatpdfen_US
dc.language.isoenen_US
dc.relation.ispartofEnergiesen_US
dc.rights© by the authors. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) licenseen_US
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/4.0/*
dc.subjectEnergy geo-structuresen_US
dc.subjectModelingen_US
dc.subjectShallow geothermal energy systemsen_US
dc.subjectSoftware toolsen_US
dc.subjectThermal analysisen_US
dc.subjectThermo-hydro-mechanicalen_US
dc.titleReviewing the Modeling Aspects and Practices of Shallow Geothermal Energy Systemsen_US
dc.typeArticleen_US
dc.collaborationCyprus University of Technologyen_US
dc.collaborationNational Laboratory for Civil Engineeringen_US
dc.collaborationCivil Engineering Instituteen_US
dc.collaborationUniversity of Plovdiv “Paisii Hilendarski”en_US
dc.collaborationTechnical University of Sofiaen_US
dc.collaborationCyprus University of Technologyen_US
dc.subject.categoryEnvironmental Engineeringen_US
dc.journalsOpen Accessen_US
dc.countryCyprusen_US
dc.countryPortugalen_US
dc.countryBulgariaen_US
dc.countrySloveniaen_US
dc.subject.fieldEngineering and Technologyen_US
dc.publicationPeer Revieweden_US
dc.identifier.doi10.3390/en13164273en_US
dc.relation.issue16en_US
dc.relation.volume13en_US
cut.common.academicyear2019-2020en_US
item.openairetypearticle-
item.languageiso639-1en-
item.openairecristypehttp://purl.org/coar/resource_type/c_6501-
item.fulltextWith Fulltext-
item.grantfulltextopen-
item.cerifentitytypePublications-
crisitem.journal.journalissn1996-1073-
crisitem.journal.publisherMultidisciplinary Digital Publishing Institute-
crisitem.author.deptDepartment of Electrical Engineering, Computer Engineering and Informatics-
crisitem.author.deptDepartment of Electrical Engineering, Computer Engineering and Informatics-
crisitem.author.deptDepartment of Mechanical Engineering and Materials Science and Engineering-
crisitem.author.facultyFaculty of Engineering and Technology-
crisitem.author.facultyFaculty of Engineering and Technology-
crisitem.author.facultyFaculty of Engineering and Technology-
crisitem.author.orcid0000-0002-2229-8798-
crisitem.author.orcid0000-0002-9426-7114-
crisitem.author.orcid0000-0001-9079-1907-
crisitem.author.parentorgFaculty of Engineering and Technology-
crisitem.author.parentorgFaculty of Engineering and Technology-
crisitem.author.parentorgFaculty of Engineering and Technology-
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