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THE EFFECT OF VAPOUR CONDENSATION ON THE SENSIBLE HEAT TRANSFER COEFFICIENT IN FINNED COIL AIR COOLERS.

Author(s) : FORNASIERI E., GIOVANNONI F., MATTAROLO L.

Summary

THE AUTHORS DEVELOPED A PROGRAMME FORTHE DETERMINATION OF THE HEAT TRANSFER COEFFICIENT ON THE AIR SIDE IN FINNED TUBE HEAT EXCHANGERS. THIS PROGRAMME USES A SERIES OF TEST RESULTS SHOWING THAT THE VALUE OF THE COEFFICIENT SLIGHTLY INCREASES WHEN THERE IS CONDENSATION ON THE FIN SURFACE ; THIS VALUE DOES NOT DEPEND ON LATENT HEAT FLOW, BUT ONLY ON AIR VELOCITY. THE AUTHORS TESTED AN EXCHANGER WITH FINS SUBJECTED TO A SURFACE TREATMENT PROVIDING FILM CONDENSATION. THEY OBTAINED A MARKED DECREASE IN THE AIR PRESSURE DROP.

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Details

  • Original title: THE EFFECT OF VAPOUR CONDENSATION ON THE SENSIBLE HEAT TRANSFER COEFFICIENT IN FINNED COIL AIR COOLERS.
  • Record ID : 1988-1797
  • Languages: English
  • Source: Development in refrigeration, refrigeration for development. Proceedings of the XVIIth international Congress of Refrigeration.
  • Publication date: 1987/08/24
  • Document available for consultation in the library of the IIR headquarters only.

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