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HEAT TRANSFER AND TURBULENT FLOW IN HELIUM TUBE IN SUPERCRITICAL REGION.

Author(s) : VALUEVA E. P., POPOV V. N.

Type of article: Article

Summary

THE METHOD AND THE RESULTS OF NUMERICAL SIMULATION OF THE PROCESSESOF HEAT TRANSFER AND TURBULENT FLOW OF HELIUM IN A VERTICAL TUBE ARE CONSIDERED. ANALYSED ARE THE TYPICAL CASES OF HEAT TRANSFER: WEAK INFLUENCE OF NATURAL CONVECTION AND STRONG EFFECT OF VARIANCE OF PHYSICAL PROPERTIES RESULTING IN THE APPEARANCE OF A WALL-TEMPERATURE PEAK IN THE REGION WHERE THE FLUID TEMPERATURE IS CLOSE TO SUPERCRITICAL ; STRONG INFLUENCE OF NATURAL CONVECTION WHEN THE WALL-TEMPERATURE PEAK APPEARS AT UPWARD FLOW NEAR THE ENTRANCE TO THE HEATED SECTION OF THE TUBE.

Details

  • Original title: HEAT TRANSFER AND TURBULENT FLOW IN HELIUM TUBE IN SUPERCRITICAL REGION.
  • Record ID : 1991-2045
  • Languages: English
  • Source: Fiz. nizk. Temp. - vol. 16 - n. 4
  • Publication date: 1990
  • Document available for consultation in the library of the IIR headquarters only.

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