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High temperature heat pump integration into district heating network
dc.contributor.author | Mateu-Royo, Carlos | |
dc.contributor.author | Sawalha, Samer | |
dc.contributor.author | Mota-Babiloni, Adrián | |
dc.contributor.author | Navarro-Esbrí, Joaquín | |
dc.date.accessioned | 2020-05-12T08:56:48Z | |
dc.date.available | 2020-05-12T08:56:48Z | |
dc.date.issued | 2020-04-15 | |
dc.identifier.citation | MATEU-ROYO, Carlos; SAWALHA, Samer; MOTA-BABILONI, Adrián; NAVARRO-ESBRÍ, Joaquín (2020). High temperature heat pump integration into district heating network. Energy Conversion and Management, v. 210, online 15/4/2020 | ca_CA |
dc.identifier.uri | http://hdl.handle.net/10234/187954 | |
dc.description.abstract | This study illustrates the potential of high temperature heat pumps (HTHPs) integration into district heating network (DHN) through a twofold approach, using DHN as a heat sink and source. It is used as a heat sink of HTHP that uses waste heat from the supermarket’s refrigeration system as a heat source whereas it is used as a heat source to HTHP that provides heat to industrial applications. When the DHN acts as the heat sink, the integrated system provides a coefficient of performance (COP) of the waste heat recovery (WHR) system between 3.2 and 5.4, reducing the operating costs between 50% and 100% with an average price ratio of 2.25 compared with the standard CO2 refrigeration system. If the DHN is the heat source, the integrated system provides a COP from 2.8 to 5.7 for a heat sink of 110 °C. The alternative low-GWP refrigerants assessment illustrates that HC-290, HFO-1234ze(E) and HFO-1234yf were considered the ideal candidates to replace the HFC-134a, whereas HCFO-1233zd(E) and HCFO-1224yd(Z) were the most promising low-GWP refrigerants to replace HFC-245fa. Finally, the environmental results showed that the utilisation of the DHN as the heat sink in the integrated system solution produces about 60% lower equivalent CO2 emissions than the DHN generation mix. Moreover, using DHN as the heat source, the equivalent CO2 emissions can be reduced up to 98% in Sweden compared to conventional natural gas boilers. Hence, the combination of HTHPs and the DHN represents a step forward in the mitigation of climate change through the utilisation of sustainable energy conversion technologies. | ca_CA |
dc.format.extent | 30 p. | ca_CA |
dc.format.mimetype | application/pdf | ca_CA |
dc.language.iso | eng | ca_CA |
dc.publisher | Elsevier | ca_CA |
dc.relation.isPartOf | Energy Conversion and Management (2020), v. 210 | ca_CA |
dc.rights.uri | http://rightsstatements.org/vocab/CNE/1.0/ | * |
dc.subject | Sustainability | ca_CA |
dc.subject | CO2 | ca_CA |
dc.subject | Environmental analysis | ca_CA |
dc.subject | HTHP | ca_CA |
dc.subject | Waste heat recovery | ca_CA |
dc.title | High temperature heat pump integration into district heating network | ca_CA |
dc.type | info:eu-repo/semantics/article | ca_CA |
dc.identifier.doi | https://doi.org/10.1016/j.enconman.2020.112719 | |
dc.relation.projectID | 1) Spanish Government for the financial support under projects RTC- 2017-6511-3; 2) Postdoctoral grant FJCI-2016-28324; 3) Universitat Jaume I (Castelló de la Plana, Spain) for the financial support under the projects UJI-B2018-24; 4) PhD grant PREDOC/2017/41 and E-2019-28. | ca_CA |
dc.rights.accessRights | info:eu-repo/semantics/restrictedAccess | ca_CA |
dc.relation.publisherVersion | https://www.sciencedirect.com/science/article/pii/S0196890420302570 | ca_CA |
dc.type.version | info:eu-repo/semantics/publishedVersion | ca_CA |
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