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PERFORMANCE ANALYSIS OF A VAPOUR ABSORPTION HEAT TRANSFORMER WITH DIFFERENT WORKING FLUID COMBINATIONS.

Author(s) : KRIPALANI V. M., SRINIVASA MURTHY D., KRISHNA MURTHY M. V.

Type of article: Article

Summary

THE VAPOUR ABSORPTION HEAT TRANSFORMER (VAHT) IS A PROMISING SYSTEM FOR ACHIEVING A HEAT PUMPING EFFECT TO HIGH TEMPERATURE LEVELS FOR INDUSTRIAL APPLICATIONS. THE PAPER PRESENTS A COMPARATIVE PERFORMANCE STUDY OF SINGLE STAGE VAHT WITH WATER-LITHIUM BROMIDE, R21-DMF, R22-DMF AND R22-DMETEG AS WORKING FLUIDS. IT IS IDENTIFIED THAT WATER-LITHIUM BROMIDE AND R21-DMF SYSTEMS PERFORM FAVOURABLY, YIELDING TEMPERATURE BOOSTS OF ABOUT 30 K. FOR ACHIEVING HIGHER BOOSTS UP TO 60 K, A TWO-STAGE VAHT IS SUGGESTED. A SECOND LAW COMPARISON WITH ELECTRICAL HEATING IS ALSO PRESENTED.

Details

  • Original title: PERFORMANCE ANALYSIS OF A VAPOUR ABSORPTION HEAT TRANSFORMER WITH DIFFERENT WORKING FLUID COMBINATIONS.
  • Record ID : 1985-0750
  • Languages: English
  • Source: J. Heat Recov. Syst. - vol. 4 - n. 3
  • Publication date: 1984
  • Document available for consultation in the library of the IIR headquarters only.

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