Tadeusz Bohdal, Henryk Charun, Małgorzata Sikora
Destructive impact of chlorofluorocarbons refrigerants (CFCs), especially R12 and R22, on the environment (creation of the ozone hole and the greenhouse effect) led to their withdrawal from use in refrigeration and heat pumps. Due to the high global warming potential (GWP=1300) also widely used R134a refrigerant will be withdrawn from use from 2017. Ongoing search for environmentally friendly alternatives refrigerants among which are listed the refrigerants from the R1234 group – especially R1234yf. In previous publications of various authors, was analyzed the use of this refrigerant in refrigeration. The authors have made an attempt on the possibility of the application of this refrigerant in the compressor, steam heat pumps. Made comparative calculations indicate that implementation of this substitute is possible in a limited scope resulting from the reduction of the heating capacity outputted to the upper source.
pompy ciepła, czynniki chłodnicze, R1234yf, R1234ze, COP, GWP, ODP
029. Selected Aspects of Legal, Technical and Ecological Use of Compression Heat Pumps
heat pumps, refrigerants, R1234yf, R1234ze, COP, GWP, ODP
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Zadanie Czasopismo, Annual Set The Environment Protection Volume 17. Year 2015 (wersja elektroniczna) dofinansowane ze środków Ministerstwa Nauki i Szkolnictwa Wyższego