
The article presents a comparison of two refrigerants R134a and R1234yf, the latter suggested to be a replacement fluid for the former. The paper compares their thermodynamic properties and shows the influence of the new fluid on the work of refrigerating system, provided that the working conditions of the evaporator, as well as the evaporation and condensing temperatures, are the same.
W artykule przedstawiono porównanie dwóch czynników chłodniczych R134a oraz R1234yf. Czynnik R1234yf został zaproponowany jako zamiennik czynnika R134a, dokonano porównania ich własności termodynamicznych oraz sprawdzono wpływ na parametry pracy układu chłodniczego, przy założeniu identycznych warunków pracy parowacza oraz takich samych wartości temperatur odparowania i skraplania.
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czynnik chłodniczy R134a, refrigerant cycle, czynnik chłodnczy R1234yf, refrigeratn R134a, refrigerant R1234yf, układ chłodniczy
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