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HEAT TRANSFER SPECIAL FEATURES IN A POOL OF SUPERFLUID HELIUM.

Author(s) : ZYATKEVICH V. V., AMETISTOV Je. V.

Summary

THE AUTHORS PRESENT AN APPROACH TO THERMAL COUNTERFLOW REGIMES IN LARGE VOLUMES OF HELIUM II ON CYLINDRICAL SAMPLES. THE METHOD IS BASED ON THE FUNCTIONAL RELATIONSHIP OF THERMAL FLOW AT THE INTERFACE OF FILM BOILING WITH HELIUM II CHARACTERISTICS. THIS RELATIONSHIP ENABLES ONE TO CALCULATE THAT OF THE TEMPERATURE GRADIENT IN HELIUM II THERMAL FLOW. THE DISCUSSION OF THE RESULTS OBTAINED MADE IT POSSIBLE TO DETECT, UNDER TEST CONDITIONS, THE EXISTENCE OF 3 THERMAL COUNTERFLOW REGIMES, SIMILAR TO THOSE ALREADY KNOWN. SOME PARAMETERS CHARACTERIZING THESE THERMAL COUNTERFLOW REGIMES WERE OBTAINED EXPERIMENTALLY. THESE RESULTS ARE CORROBORATED THEORETICALLY.

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Pages: 131-137

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Details

  • Original title: HEAT TRANSFER SPECIAL FEATURES IN A POOL OF SUPERFLUID HELIUM.
  • Record ID : 1988-0936
  • 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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