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Possible new working fluids in high-temperature heat pumps

Marine Högberg (Institutionen för värmeteknik och maskinlära) ; Lennart Vamling (Institutionen för värmeteknik och maskinlära) ; Thore Berntsson (Institutionen för värmeteknik och maskinlära)
Göteborg : Chalmers University of Technology, 1989. - 21 s.
[Rapport]

Due to the CFC-problem a high R&D activity on new fluids is now going on. This is also the case for high temperature applications, which here are defined as systems having condensing temperatures above approximately 70·C. In the following various alternative fluids, both pure ones and mixtures now being investigated, are discussed. Although one of the important problems with new fluids is the lack of data, several data for interesting high-temperature working fluids have now been published. Examples of such publications are given in references 1-15. In the calculations done for the results presented in this paper, the data given in these and other references have been used. However, in several cases no data have been available except e.g. normal boiling point and molecular weight. In such cases data have been estimated with methods traditionally used in chemical engineering.



Denna post skapades 2011-12-22. Senast ändrad 2015-02-11.
CPL Pubid: 150826

 

Institutioner (Chalmers)

Institutionen för värmeteknik och maskinlära (1949-2002)

Ämnesområden

Kemiteknik

Chalmers infrastruktur