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dc.contributor.authorLumbreras, Mikel
dc.contributor.authorGaray, Roberto
dc.date.accessioned2020-07-08T10:59:33Z
dc.date.available2020-07-08T10:59:33Z
dc.date.issued2020-10
dc.identifier.citationLumbreras, Mikel, and Roberto Garay. “Energy & Economic Assessment of Façade-Integrated Solar Thermal Systems Combined with Ultra-Low Temperature District-Heating.” Renewable Energy 159 (October 2020): 1000–1014. doi:10.1016/j.renene.2020.06.019.en
dc.identifier.issn0960-1481en
dc.identifier.urihttp://hdl.handle.net/11556/939
dc.description.abstractThis paper conducts an energy and economic assessment of District Heating (DH) integrated Solar Thermal (ST) systems. An implementation with building-integrated ST collectors coupled to a Low Temperature District Heating (LTDH) system is studied, with special focus on unglazed collectors. ST heat is exploited in the building through direct use, while excess heat is delivered to the network. A novel control strategy for heat flows in the system is proposed. A meta-analysis of several DH configurations, interconnection schemes and installed ST capacity is performed in three different climates: Sevilla (Spain), Bordeaux (France) & Copenhagen (Denmark). Heat loads corresponding to buildings with various insulation levels and domestic hot water loads are assessed in hourly simulations. The proposed interconnection concept provides a variety of connection modes to the DH network, allowing up to a 50% increase in the provision of solar heat compared to an isolated ST system. Positive Return of Investment (ROI) for such a setup is achieved in 22% of the studied cases. The DH network is found to be a suitable heat sink in up to 25% of the buildings with ST systems installed.en
dc.description.sponsorshipThis project has received funding from the European Union’sHorizon 2020 research and innovation programme under grantagreement No 768567en
dc.language.isoengen
dc.publisherElsevieren
dc.rightsAttribution-NonCommercial-NoDerivatives 4.0 International*
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/4.0/*
dc.titleEnergy & economic assessment of façade-integrated solar thermal systems combined with ultra-low temperature district-heatingen
dc.typearticleen
dc.identifier.doi10.1016/j.renene.2020.06.019en
dc.relation.projectIDinfo:eu-repo/grantAgreement/EC/H2020/768567/EU/REnewable Low TEmperature District/RELaTEDen
dc.rights.accessRightsopenAccessen
dc.subject.keywordsSolar district heatingen
dc.subject.keywordsRenewable energy sourcesen
dc.subject.keywordsBuilding integrated solar thermalen
dc.subject.keywords4th generation district-heatingen
dc.subject.keywordsSmart energy systemsen
dc.journal.titleRenewable Energyen
dc.page.final1014en
dc.page.initial1000en
dc.volume.number159en


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