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HEAT TRANSFER UNDER HYPOBARIC CONDITIONS.

Author(s) : BURG S. P., KOSSON R. L.

Summary

THE INFLUENCE OF PRESSURE ON THE BUOYANCY TERM FOR NATURAL CONVECTION AND ON THE PRODUCT AND BOX SKIN RESISTANCES TO WATER VAPOR MASS TRANSFER IS ANALYZED. EVAPORATION IS THE PREDOMINANT MODE OF HEAT LOSS FROM THE PRODUCT. AT 100 PERCENT RH, A RESPIRING PRODUCT IS WARMER THAN ITS SURROUNDINGS. AT LOWER RH, THE PRODUCT COOLS BY EVAPORATION, ALMOST TO THE AIR'S DEW-POINT AND WELL BELOW THE CONTAINER TEMPERATURE. THIS LEADS TO A HIGHER EVAPORATION RATE AND GREATER WEIGHT LOSS. AT HIGH RH, WEIGT LOSS DOES NOT LIMIT STORAGE LIFE BECAUSE THE PRODUCT HEAT LOAD IS REDUCED UNDER HYPOBARIC CONDITIONS.

Details

  • Original title: HEAT TRANSFER UNDER HYPOBARIC CONDITIONS.
  • Record ID : 1984-1449
  • Languages: English
  • Publication date: 1982
  • Source: Source: ASHRAE Trans.
    vol. 88; n. 1; 1443-1459; 7 fig.; 2 tabl.; 11 ref.; discuss.
  • Document available for consultation in the library of the IIR headquarters only.

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