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HEAT AND MASS TRANSFER UNDER FROSTING CONDITIONS.

Author(s) : MARINYUK B. T.

Type of article: Article, IJR article

Summary

THE EFFECT OF FROST FORMATION ON HEAT TRANSFER BETWEEN A TEST CYLINDER AND ITS GASEOUS ENVIRONMENT WAS STUDIED EXPERIMENTALLY. THE MAIN PARAMETERS DISCUSSED IN THE PAPER ARE: THE TOTAL HEAT FLUX, THE STEADY-STATE CONVECTIVE HEAT TRANSFER COEFFICIENT, AND THE MASS OF FROST ADHERING TO THE TEST CYLINDER. THE EMPHASIS OF THE PAPER IS ON THE THERMAL CONDUCTIVITY OF FROST. THE DATA INDICATE THAT THE DIFFUSION MECHANISMS OF MOISTURE TRANSFER WITHIN THE FROST LAYER CAUSES THE FROST DENSITY AND THERMAL CONDUCTIVITY TO INCREASE WITH TIME. FROST THERMAL CONDUCTIVITY IS A FUNCTION OF THE LOCAL TEMPERATURE AND AVERAGE DENSITY. THE PAPER PRESENTS AN EQUATION WHICH CAN BE USED BY DESIGNERS OF LOW TEMPERATURE SYSTEMS WITH UNINSULATED SURFACES.

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Pages: 366-368

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Details

  • Original title: HEAT AND MASS TRANSFER UNDER FROSTING CONDITIONS.
  • Record ID : 1981-1145
  • Languages: English
  • Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 3 - n. 6
  • Publication date: 1980/11

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