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dc.contributor.authorLlopis Doménech, Rodrigo
dc.contributor.authorSánchez García-Vacas, Daniel
dc.contributor.authorSanz Kock, Carlos
dc.contributor.authorCabello López, Ramón
dc.contributor.authorTorrella Alcaraz, Enrique
dc.date.accessioned2016-05-24T11:12:58Z
dc.date.available2016-05-24T11:12:58Z
dc.date.issued2015-01-15
dc.identifier.citationLLOPIS DOMÉNECH, Rodrigo; SÁNCHEZ GARCÍA-VACAS, Daniel; SANZ KOCK, Carlos; CABELLO LÓPEZ, Ramón; TORRELLA ALCARAZ, Enrique. Energy and environmental comparison of two-stage solutions for commercial refrigeration at low temperature: Fluids and systems. Applied Energy (2015), v. 138, pp. 133-142ca_CA
dc.identifier.urihttp://hdl.handle.net/10234/159934
dc.description.abstractInternational agreements will restrict in the near future the use of high-GWP refrigerants in Europe. These restrictions will favour the implantation of refrigeration systems with low-GWP fluids, especially in applications with high leakage rate. To clarify possible solutions that accomplish the forthcoming F-Gas Regulation, we present simplified models of five two-stage vapour compression refrigeration systems and evaluate them with low-GWP refrigerants (HFC, HFO and naturals). We analyse the energy performance over a wide range of evaporating and environment temperatures and present the TEWI analysis under a same scenario, typical of a centralized commercial refrigeration application. We conclude that, for high-GWP refrigerants, direct emissions have greater weight in TEWI than the indirect ones, so future solutions might be based on low-GWP fluids, in some cases with risk of toxicity or flammability. We observe the indirect two-stage systems (cascades) with CO2 as low temperature fluid are promising solutions, especially for warm regions.ca_CA
dc.description.sponsorShipThe authors gratefully acknowledge Jaume I University of Spain, who financed the present study through the research project P1·B2013-10.ca_CA
dc.format.extent10 p.ca_CA
dc.format.mimetypeapplication/pdfca_CA
dc.language.isoengca_CA
dc.publisherElsevierca_CA
dc.relation.isPartOfApplied Energy (2015), v. 138ca_CA
dc.subjectCascadeca_CA
dc.subjectTwo-stageca_CA
dc.subjectLow GWPca_CA
dc.subjectTEWIca_CA
dc.subjectEnergy efficiencyca_CA
dc.titleEnergy and environmental comparison of two-stage solutions for commercial refrigeration at low temperature: Fluids and systemsca_CA
dc.typeinfo:eu-repo/semantics/articleca_CA
dc.identifier.doihttp://dx.doi.org/10.1016/j.apenergy.2014.10.069
dc.rights.accessRightsinfo:eu-repo/semantics/restrictedAccessca_CA
dc.relation.publisherVersionhttp://www.sciencedirect.com/science/article/pii/S0306261914011192ca_CA


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