Integration of a compact two fluid PCM heat exchanger into the hot superheated section of an air source heat pump cycle for optimized DHW generation

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dc.contributor.authorEmhofer, Johann
dc.contributor.authorBarz, Tilman
dc.contributor.authorMarx, Klemens
dc.contributor.authorHochwallner, Felix
dc.contributor.authorCabeza, Luisa F.
dc.contributor.authorZsembinszki, Gabriel
dc.contributor.authorStrehlow, Andreas
dc.contributor.authorNitsch, Birgo
dc.contributor.authorWeiss, Michael
dc.date.accessioned2020-11-05T13:19:58Z
dc.date.available2020-11-05T13:19:58Z
dc.date.issued2019
dc.description.abstractThis contribution presents a concept for the direct integration of a refrigerant/water Heat Exchanger (HEX) with a Phase Change Material (PCM) in the hot superheated section of an R32 - air source compression Heat Pump (HP) cycle, for optimized Domestic Hot Water (DHW) generation in multi-family houses. The concept takes advantage of the PCMs high thermal storage capacity integrated into a high performance compact enhanced plate-and-fin aluminium HEX. On the refrigerant side, it works as a de-superheater for DHW generation during heating and cooling operation whereas the process water is connected to decentralized DHW storages located in single apartments of a low energy building. We present results from simulations at a system level for typical operating conditions and corresponding seasonal and annual performances. Compared to conventional systems, the results indicate savings up to 11% of electric energy over the year for DHW generation in average climate.ca_ES
dc.description.sponsorshipThe authors thank C. Köfinger, M. Lauermann, W. Pink and A. Zottl for critical discussion.This project has received funding from the European Union’s Horizon 2020 research and innovation programme under grant agreement No 768824 (HYBUILD). GREiA is certified agent TECNIO in the category of technology developers from the Government of Catalonia. The authors would like to thank the Catalan Government for the quality accreditation given to their research group (2017 SGR 1537).ca_ES
dc.identifier.doihttps://doi.org/10.18462/iir.icr.2019.645
dc.identifier.urihttp://hdl.handle.net/10459.1/69787
dc.language.isoengca_ES
dc.relation.ispartof25th IIR International Congress of Refrigeration, Montreal, Canada, August 24−30, 2019ca_ES
dc.relation.projectIDinfo:eu-repo/grantAgreement/EC/H2020/768824/EU/HYBUILDca_ES
dc.rights© IIF/IIR. International Institute of Refrigeration, 2019ca_ES
dc.rights.accessRightsinfo:eu-repo/semantics/openAccessca_ES
dc.subjectDomestic hot waterca_ES
dc.subjectEnergy efficiencyca_ES
dc.subjectHeat pumpca_ES
dc.subjectHeatingca_ES
dc.subjectHot gasca_ES
dc.subjectPhase change materialca_ES
dc.titleIntegration of a compact two fluid PCM heat exchanger into the hot superheated section of an air source heat pump cycle for optimized DHW generationca_ES
dc.typeinfo:eu-repo/semantics/conferenceObjectca_ES
dc.type.versioninfo:eu-repo/semantics/submittedVersionca_ES
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