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SECONDARY REFRIGERANTS FOR HEAT PUMP APPLICATIONS. STUDIES OF THERMODYNAMIC PROPERTIES AND CORROSION.

[In Swedish. / En suédois.]

Author(s) : MELINDER Å.

Type of article: Periodical article

Summary

IT IS DIFFICULT TO FIND A LIQUID WHICH IS IN ALL RESPECTS IDEAL AS SECONDARY REFRIGERANT FOR TEMPERATURES BELOW 273 K (0 DEG C). CORROSION AND ENVIRONMENTAL CHARACTERISTICS ARE OF GREAT IMPORTANCE. COMPARED WITH CONVENTIONAL REFRIGERATION TECHNOLOGY, HEAT PUMP APPLICATIONS GIVE RISE TO NEW CONDITIONS, PARTICULARLY WITH REGARD TO THESE TWO ASPECTS. THE THERMODYNAMIC CHARACTERISTICS NEEDED FOR CALCULATIONS OF HEAT TRANSFER AND PRESSURE DROP HAVE BEEN SET OUT IN THE REPORT FOR LIQUIDS COMPRISING WATER WITH FREEZING POINT DEPRESSANTS SUCH AS ETHYLENE GLYCOL, PROPYLENE GLYCOL, ETHANOL, SODIUM CHLORIDE AND CALCIUM CHLORIDE. INVESTIGATIONS HAVE ALSO BEEN MADE REGARDING A SECONDARY REFRIGERANT CONSISTING OF AN AQUEOUS SOLUTION OF POTASSIUM CARBONATE. (SYNOP. SWED. BUILD. RES., SE., N 2, 1986/02, 13.

Details

  • Original title: [In Swedish. / En suédois.]
  • Record ID : 1986-2290
  • Languages: Swedish
  • Source: Swed. Counc. Build. Res. - R114:1985; 104 p.; fig.
  • Publication date: 1985
  • Document available for consultation in the library of the IIR headquarters only.

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