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ICE FORMATION OVER AN ISOTHERMALLY COOLED VERTICAL CIRCULAR CYLINDER IN NATURAL CONVECTION.

Author(s) : CHENG K. C., SABHAPATHY P.

Type of article: Article

Summary

RESULTS OF EXPERIMENTAL INVESTIGATIONS ON THE EFFECTS OF NATURAL CONVECTION ON THE ICE FORMATION OVER AN ISOTHERMALLY COOLED VERTICAL CIRCULAR CYLINDER FILLED BY A COOLANT (ETHYLENE GLYCOL+METHANOL+WATER) CIRCULATING AT A HIGH FLOW RATE (0.006 M3/S). THE CYLINDER IS MAINTAINED IN A STEEL TANK, FILLED WITH TAP WATER, AND HAVING 19 MM THICK PLEXIGLASS WINDOWS ON ALL FOUR SIDES. PHOTOGRAPHS OF THE ICELAYER ARE TAKEN AT VARIOUS TIMES, FOR EXAMPLE FOR WATER TEMPERATURE EQUAL TO 17.5 DEG C AND COOLANT TEMPERATURE EQUAL TO -15. 0 DEG C. NATURAL CONVECTION HEAT TRANSFER INVOLVES LAMINAR, TRANSITIONAL AND TURBULENT FLOW REGIMES. THE LOCAL AND AVERAGE HEAT TRANSFER COEFFICIENTS AT THE INTERFACE, OBTAINED BY THE HEAT CONDUCTION ANALYSIS OF THE IGVNSV. J. V.

Details

  • Original title: ICE FORMATION OVER AN ISOTHERMALLY COOLED VERTICAL CIRCULAR CYLINDER IN NATURAL CONVECTION.
  • Record ID : 1990-0083
  • Languages: English
  • Source: J. Heat Transf. - vol. 111 - n. 1
  • Publication date: 1989
  • Document available for consultation in the library of the IIR headquarters only.

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