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STUDIES ON PRESSURE DROPS IN AIR FLOWS OVER FROSTED TUBES.

[In Japanese. / En japonais.]

Author(s) : KATSUTA K., ISHIHARA I., IKENO T.

Type of article: Article

Summary

WHEN HUMID AIR FLOWS OVER TUBES WHICH ARE AT A LOW TEMPERATURE, FROST FORMS ON THE OUTSIDE WALLS OF THE TUBES AND OFFERS A RESISTANCE TO AIR FLOW. THIS PAPER DEALS WITH FROSTING CONDITIONS AT CONSTANT AIR FLOW RATES WHILE MEASURING THE PRESSURE DROPS WHICH INCREASE AS THE FROST LAYER DEVELOPS. THE FORM AND ROUGHNESS OF THE FROST LAYER WAS FOUND TO HAVE AN INFLUENCE ON THE DEGREE OF PRESSURE DROP AND THREE PATTERNS OF RELATIONSHIP WERE ESTABLISHED BETWEEN THE ROUGHNESS VALUES AND TIMES OF FROST BUILD-UP.

Details

  • Original title: [In Japanese. / En japonais.]
  • Record ID : 1985-0576
  • Languages: Japanese
  • Source: Refrigeration - vol. 59 - n. 677
  • Publication date: 1984
  • Document available for consultation in the library of the IIR headquarters only.

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