IIR document
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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Indexing
- Themes: Heat transfer
- Keywords: Humid air; Heat transfer coefficient; Finned tube; Extended surface; Calculation; Treatment; Surface state; Condenser; Condensation; Heat exchanger; Water; Pressure drop
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