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Heat-transfer and defrosting characteristics of a horizontal array of cooled tubes immersed in a very shallow fluidized bed.

Author(s) : AIHARA T., OHARA T., SHIMOYAMA T., KITANO H.

Type of article: Article

Summary

Heat transfer and defrosting characteristics have been studied experimentally. The fluidized bed produces gas-solid particle impinging jets to effectively remove frost layers on the tube surface. It has been verified that frost-free running of the cooled tubes is possible under the conditions of inlet air temperature -7 deg C, tube-surface temperature -17 deg C and relative humidity 80%. The defrosting mechanism was observed in detail with a visualization technique.

Details

  • Original title: Heat-transfer and defrosting characteristics of a horizontal array of cooled tubes immersed in a very shallow fluidized bed.
  • Record ID : 1998-0833
  • Languages: English
  • Source: International Journal of Heat and Mass Transfer - vol. 40 - n. 8
  • Publication date: 1997/05

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