Experimental study of an R1234ze(E)/R134a mixture (R450A) as R134a replacement
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Títol
Experimental study of an R1234ze(E)/R134a mixture (R450A) as R134a replacementAutoria
Data de publicació
2015Editor
ElsevierCita bibliogràfica
MOTA-BABILONI, Adrián, et al. Experimental study of an R1234ze (E)/R134a mixture (R450A) as R134a replacement. International Journal of Refrigeration, 2015, vol. 51, p. 52-58.Tipus de document
info:eu-repo/semantics/articleVersió de l'editorial
http://www.sciencedirect.com/science/article/pii/S0140700714003569Paraules clau / Matèries
Resum
This work presents an experimental analysis of a non-flammable R1234ze(E)/R134a mixture (R450A) as R134a drop-in replacement. While R134a has a high GWP value (1430), the R450A GWP is only 547. The experimental tests ... [+]
This work presents an experimental analysis of a non-flammable R1234ze(E)/R134a mixture (R450A) as R134a drop-in replacement. While R134a has a high GWP value (1430), the R450A GWP is only 547. The experimental tests are carried out in a vapour compression plant equipped with a variable-speed compressor. The replacement suitability has been studied combining different operating conditions: evaporation temperature, condensation temperature and the use of an internal heat exchanger (IHX). The drop-in cooling capacity of R450A compared with R134a is 6% lower as average. R450A COP is even higher to those resulting with R134a (approximately 1%). The discharge temperature of R450A is lower than that of R134a, 2K as average. The IHX has a similar positive influence on the energy performance of both fluids. In conclusion, R450A can be considered as a good candidate to replace R134a.Drop-i [-]
Publicat a
International Journal of Refrigeration, 2015, vol. 51Drets d'accés
http://rightsstatements.org/vocab/CNE/1.0/
info:eu-repo/semantics/restrictedAccess
info:eu-repo/semantics/restrictedAccess
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