Experimental analysis of R1234yf as a drop-in replacement for R134a in a vapor compression system
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Otros documentos de la autoría: Navarro-Esbrí, Joaquín; Mendoza-Miranda, Juan Manuel; Mota-Babiloni, Adrián; Barragán Cervera, Angel; Belman, Juan
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Mostrar el registro completo del ítemcomunitat-uji-handle:10234/9
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Título
Experimental analysis of R1234yf as a drop-in replacement for R134a in a vapor compression systemAutoría
Fecha de publicación
2013-05ISSN
0140-7007Cita bibliográfica
NAVARRO-ESBRÍ, J., et al. Experimental analysis of R1234yf as a drop-in replacement for R134a in a vapor compression system. international journal of refrigeration, 2013, 36.3: 870-880.Tipo de documento
info:eu-repo/semantics/articleVersión de la editorial
http://www.sciencedirect.com/science/article/pii/S014070071200357XPalabras clave / Materias
Resumen
This paper presents an experimental analysis of a vapor compression system using R1234yf as a drop-in replacement for R134a. In this work, we compare the energy performance of both refrigerants, R134a and R1234yf, in ... [+]
This paper presents an experimental analysis of a vapor compression system using R1234yf as a drop-in replacement for R134a. In this work, we compare the energy performance of both refrigerants, R134a and R1234yf, in a monitored vapor compression system under a wide range of working conditions. So, the experimental tests are carried out varying the condensing temperature, the evaporating temperature, the superheating degree, the compressor speed, and the internal heat exchanger use. Comparisons are made taking refrigerant R134a as baseline, and the results show that the cooling capacity obtained with R1234yf in a R134a vapor compression system is about 9% lower than that obtained with R134a in the studied range. Also, when using R1234yf, the system shows values of COP about 19% lower than those obtained using R134a, being the minor difference for higher condensing temperatures. Finally, using an internal heat exchanger these differences in the energy performance are significantly reduced. [-]
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International Journal of Refrigeration, 2013, 36, 3Derechos de acceso
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