Energy impact of the Internal Heat Exchanger in a horizontal freezing cabinet. Experimental evaluation with the R404A low-GWP alternatives R454C, R455A, R468A, R290 and R1270
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Títol
Energy impact of the Internal Heat Exchanger in a horizontal freezing cabinet. Experimental evaluation with the R404A low-GWP alternatives R454C, R455A, R468A, R290 and R1270Autoria
Data de publicació
2022-02-08Editor
Elsevier B.V.ISSN
0140-7007Cita bibliogràfica
Ramón Cabello, Daniel Sánchez, Rodrigo Llopis, Alejandro Andreu-Nacher, Daniel Calleja-Anta, Energy impact of the Internal Heat Exchanger in a horizontal freezing cabinet. Experimental evaluation with the R404A low-GWP alternatives R454C, R455A, R468A, R290 and R1270, International Journal of Refrigeration (2022), doi: https://doi.org/10.1016/j.ijrefrig.2022.02.007Tipus de document
info:eu-repo/semantics/articleVersió
info:eu-repo/semantics/publishedVersionResum
This work analyses the influence of the Internal Heat Exchan ger (IHX) on the energy performance of a vapor compression cycle associated with a freezing cabinet using different R404A low-GWP alternatives. Among them, ... [+]
This work analyses the influence of the Internal Heat Exchan ger (IHX) on the energy performance of a vapor compression cycle associated with a freezing cabinet using different R404A low-GWP alternatives. Among them, the refrigerants R454C (GPW100=146), R455A (GPW100=146), R468A (GPW100=146), R290 (GPW100=5) and R1270 (GPW100=1.8) have been tested in a horizontal freezing cabinet maintaining a product target temperature of -20°C at the heat rejection temperatures of 20, 30 and 40°C. The results from tests show that the use of the IHX reduces energy consumption in all scenarios without significantly increasing the compressor's discharge temperature. For a test period of 16 hours, the refrigerants that offer better reductions are R404A and R1270, followed by R455A, R290, R454C and R468A. The maximum energy saving is rated to 9.2% at the heat rejection temperature of 40°C, demonstrating that the enhancement of the IHX is better as higher the heat rejection conditions are. [-]
Publicat a
International Journal of Refrigeration. Vol. 134 (February 2022)Entitat finançadora
Ministerio de Ciencia y Tecnología | Universitat Jaume I
Codi del projecte o subvenció
RTI2018-093501-B-C21 | UJI-B2019-56
Títol del projecte o subvenció
Mejora de la eficiencia energética de sistemas de refrigeración comercial "booster", empleando CO2 como fluido refrigerante | Mitigación del potencial de efecto invernadero en sistemas de refrigeración comercial autónomos (LOWTEWI)
Drets d'accés
info:eu-repo/semantics/openAccess
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