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EXPERIMENTAL DETERMINATION OF LOCAL FILM HEAT TRANSFER COEFFICIENT DURING A FOODSTUFF COOLING PROCESS.

DETERMINATION EXPERIMENTALE DU COEFFICIENT DE TRANSFERT DE CHALEUR LOCAL AU COURS DE LA REFRIGERATION DE PRODUITS AGRICOLES.

Author(s) : ALVAREZ G., LETANG G.

Summary

THE LOCAL FILM HEAT TRANSFER COEFFICIENT INSIDE BINS PILED ON A PALLET WAS EXPERIMENTALLY DETERMINED. CYLINDRICAL AND SPHERICAL METALLIC TEST PROBES WERE DEVELOPED. THE MODEL PRODUCT CONSIDERED HAS A SPHERICAL SHAPE. THE RESULTS SHOW THAT THE VELOCITY PARAMETER AS WELL AS THE TURBULENCE LEVEL HAVE A STRONG INFLUENCE ON THE LOCAL FILM HEAT TRANSFER COEFFICIENT WHICH CAN INCREASE UP TO 40%. THERE IS A RELATIONSHIP BETWEEN THE TWO SHAPES OF PROBES.

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Details

  • Original title: DETERMINATION EXPERIMENTALE DU COEFFICIENT DE TRANSFERT DE CHALEUR LOCAL AU COURS DE LA REFRIGERATION DE PRODUITS AGRICOLES.
  • Record ID : 1992-2265
  • Languages: French
  • Source: New challenges in refrigeration. Proceedings of the XVIIIth International Congress of Refrigeration, August 10-17, 1991, Montreal, Quebec, Canada.
  • Publication date: 1991/08/10
  • Document available for consultation in the library of the IIR headquarters only.

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