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CO2 refrigeration system heat recovery and thermal storage modelling for space heating provision in supermarkets: An integrated approach

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CO2 refrigeration system heat recovery and thermal storage modelling for space heating provision in supermarkets: An integrated approach

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dc.contributor.author Maouris, Georgios es_ES
dc.contributor.author Sarabia Escrivà, Emilio José es_ES
dc.contributor.author Acha, S. es_ES
dc.contributor.author Shah, N. es_ES
dc.contributor.author Markides, C. es_ES
dc.date.accessioned 2020-03-23T08:46:21Z
dc.date.available 2020-03-23T08:46:21Z
dc.date.issued 2020-04-15 es_ES
dc.identifier.issn 0306-2619 es_ES
dc.identifier.uri http://hdl.handle.net/10251/139161
dc.description.abstract [EN] The large amount of recoverable heat from CO2 refrigeration systems has led UK food retailers to examine the prospect of using refrigeration integrated heating and cooling systems to provide both the space heating and cooling to food cabinets in supermarkets. This study assesses the performance of a refrigeration integrated heating and cooling system installation with thermal storage in a UK supermarket. This is achieved by developing a thermal storage model and integrating it into a pre-existing CO2 booster refrigeration model. Five scenarios involving different configurations and operation strategies are assessed to understand the techo-economic implications. The results indicate that the integrated heating and cooling system with thermal storage has the potential to reduce energy consumption by 17¿18% and GHG emissions by 12¿13% compared to conventional systems using a gas boiler for space heating. These reductions are achieved despite a marginal increase of 2¿3% in annual operating costs. The maximum amount of heat that can be stored and utilised is constrained by the refrigeration system compressor capacity. These findings suggest that refrigeration integrated heating and cooling systems with thermal storage are a viable heating and cooling strategy that can significantly reduce the environmental footprint of supermarket space heating provision and under the adequate circumstances can forsake the use of conventional fossil-fuel (natural gas) boiler systems in food-retail buildings. es_ES
dc.description.sponsorship This research was supported by funds provided via the Imperial-Sainsbury s Supermarkets Ltd. partnership. This work also was supported by the UK Engineering and Physical Sciences Research Council (EPSRC) [grant number EP/P004709/1]. Emilio J. Sarabia gratefully acknowledges financial support from Universitat Politècnica de València Fellowship. Data supporting this publication can be obtained on request from cep-lab@imperial.ac.uk. es_ES
dc.language Inglés es_ES
dc.publisher Elsevier es_ES
dc.relation.ispartof Applied Energy es_ES
dc.rights Reserva de todos los derechos es_ES
dc.subject CO2 refrigeration es_ES
dc.subject Supermarkets es_ES
dc.subject Heat recovery es_ES
dc.subject Thermal storage es_ES
dc.subject Natural refrigerants es_ES
dc.subject Integrated heating and cooling es_ES
dc.subject.classification MAQUINAS Y MOTORES TERMICOS es_ES
dc.title CO2 refrigeration system heat recovery and thermal storage modelling for space heating provision in supermarkets: An integrated approach es_ES
dc.type Artículo es_ES
dc.identifier.doi 10.1016/j.apenergy.2020.114722 es_ES
dc.relation.projectID info:eu-repo/grantAgreement/UKRI//EP%2FP004709%2F1/GB/Energy-Use Minimisation via High Performance Heat-Power-Cooling Conversion and Integration: A Holistic Molecules to Technologies to Systems Approach/ es_ES
dc.rights.accessRights Abierto es_ES
dc.contributor.affiliation Universitat Politècnica de València. Departamento de Termodinámica Aplicada - Departament de Termodinàmica Aplicada es_ES
dc.description.bibliographicCitation Maouris, G.; Sarabia Escrivà, EJ.; Acha, S.; Shah, N.; Markides, C. (2020). CO2 refrigeration system heat recovery and thermal storage modelling for space heating provision in supermarkets: An integrated approach. Applied Energy. 264:1-17. https://doi.org/10.1016/j.apenergy.2020.114722 es_ES
dc.description.accrualMethod S es_ES
dc.relation.publisherversion https://doi.org/10.1016/j.apenergy.2020.114722 es_ES
dc.description.upvformatpinicio 1 es_ES
dc.description.upvformatpfin 17 es_ES
dc.type.version info:eu-repo/semantics/publishedVersion es_ES
dc.description.volume 264 es_ES
dc.relation.pasarela S\404699 es_ES
dc.contributor.funder Engineering and Physical Sciences Research Council, Reino Unido es_ES
dc.contributor.funder UK Research and Innovation es_ES


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