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HEAT PUMPS, THEIR TECHNICAL POTENTIAL AND EFFECT.

[In Czech. / En tchèque.]

Author(s) : PETRÁK J.

Type of article: Article

Summary

HEAT PUMPS ARE MANUFACTURED BY TWO NATIONAL CORPORATIONS. THEIR PRODUCTS LINES ARE MENTIONED. FURTHER DEVELOPMENT REQUIRES APPLICATION OF NEW REFRIGERANTS, DESIGNING HEAT PUMP ELEMENTS FOR HIGHER OPERATING PRESSURES AND TEMPERATURES, PURPOSE-BUILT REFRIGERATING SYSTEM MODIFICATIONS AND NEW CONTROLS. DEVELOPMENT OF A HEAT PUMP FOR WATER HEATING UP TO 355 K (82 DEG C) WITH 293 K (20 DEG C) EVAPORATING TEMPERATURE USING R114 REFRIGERANT IS REPORTED. A CALCULATION PROCEDURE FOR DETERMINING POSSIBLE ENERGY EFFECTS OF HEAT PUMPS IS PROPOSED AND MATHEMATICAL FORMULAS FOR FINANCIAL ASSESSING ARE GIVEN.

Details

  • Original title: [In Czech. / En tchèque.]
  • Record ID : 1986-1652
  • Languages: Czech
  • Source: Prum. Potravin - vol. 36 - n. 9
  • Publication date: 1985
  • Document available for consultation in the library of the IIR headquarters only.

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