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NEW COMPRESSION HEAT PUMP MEDIA FOR MEDIUM AND HIGH TEMPERATURE APPLICATION.

Author(s) : NARODOSLAWSKY M., WINDISCH F., MOSER F.

Type of article: Article

Summary

A SYSTEMATIC METHOD OF LOOKING FOR THE BEST MEDIUM HAS BEEN DEVELOPED. WITH THE HELP OF A COMMERCIAL FLOWSHEET PROGRAM A SIMULATION ROUTINE OF THE HEAT PUMP CYCLE HAS BEEN ESTABLISHED. IN ALL, 940 SUBSTANCES HAVE BEEN INVESTIGATED. 42 SHOW FAVOURABLE PROPERTIES AS WORKING FLUIDS FOR THE APPLICATION IN 3 CASES, NAMELY WITH TEMPERATURES OF THE HEAT SOURCE OF 293 K (20 DEG C), 333 K (60 DEG C) AND 363 K (90 DEG C) AND OF THE HEAT SINK OF 343 K (70 DEG C), 393 K (120 DEG C) AND 423 K (150 DEG C). A FURTHER INVESTIGATION OF THESE 42 SUBSTANCES WITH RESPECT TO TOXICITY AND STABILITY LEFT 4 OF THEM AS THE ULTIMATE PROPOSAL FOR OPERABLE COMPRESSION HEAT PUMP FLUIDS: ETHYL BROMIDE, PROPYL CHLORIDE, ISOPROPYLMERCAPTAN AND WATER.

Details

  • Original title: NEW COMPRESSION HEAT PUMP MEDIA FOR MEDIUM AND HIGH TEMPERATURE APPLICATION.
  • Record ID : 1989-0717
  • Languages: English
  • Source: Heat Recov. Syst. CHP - vol. 8 - n. 1
  • Publication date: 1988

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