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New refrigerants: calculation of the coefficient of thermal exchange in stratified flow.

Determinarea coefficientului de schimb de caldura in curgerea stratificata a agentilor frigorifici nepoluanti.

Author(s) : VINTE C. R.

Summary

During two-phase flow (condensation), heat transfer takes place via the liquid or the condensate layer. Modelling of this phenomenon involves determining the evolution of the exchange coefficient, of the vapour fraction and pressure variations. In order to perform modelling, Nusselt's model, a smooth tube and refrigerants R134a and R123 were used.

Details

  • Original title: Determinarea coefficientului de schimb de caldura in curgerea stratificata a agentilor frigorifici nepoluanti.
  • Record ID : 2000-0642
  • Languages: Romanian
  • Publication date: 1999/05/27
  • Source: Source: Pap. Conf. natl. Termoteh., Craiova
    vol. 1; 325-328; 2 fig.; 2 ref.
  • Document available for consultation in the library of the IIR headquarters only.

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