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HEAT TRANSFER COEFFICIENTS IN THE AIR-BLAST FREEZING OF ROWS OF CARTONS.

Author(s) : PHAM Q. T., WILLIX J.

Summary

THE AUTHORS MEASURED THE HEAT TRANSFER COEFFICIENT BETWEEN THE AIR AND THE ROWS OF CARTONS IN AN AIR TUNNEL AND IN AN INDUSTRIAL FREEZING TUNNEL. THEY OBSERVED CHANGES IN THIS COEFFICIENT AS A FUNCTION OF THE LOCATION, AIR VELOCITY AND TYPE OF RACKS AND THEY PROPOSE A CORRELATION BETWEEN THE AVERAGE HEAT TRANSFER COEFFICIENT AND AIR VELOCITY. CORRUGATED RACKS TEND TO CHANNEL AIR FLOW AND CAUSE A DECREASE IN THE HEAT TRANSFER COEFFICIENT IN CARTONS MOVING DOWNWARDS. LATTICED RACKS, IN DESTROYINGTHE BOUNDARY LAYER, PROVIDE BETTER TRANSFER.

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Pages: 350-357

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Details

  • Original title: HEAT TRANSFER COEFFICIENTS IN THE AIR-BLAST FREEZING OF ROWS OF CARTONS.
  • Record ID : 1988-1996
  • 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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