Experimental Studies on Heat Transfer by Natural Convection and Pool Boiling of Sodium in a Strong Magnetic Field

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概要

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• This report deals with an experiment on the heat transfer of liquid sodium, with particular reference to the effects brought by the application of a magnetic field on pool boiling. The test section, a heater pin of 6.5 mm diameter, was inserted vertically into the center of a sodium tank. The heating surface of the pin was parallel to the mag-netic field as well as to the direction of gravity.<BR>Under conditions of natural convection in a magnetic field, a sharp rise of the heating surface temperature was always seen to occur at some point when the heat flux was gradually increased, accompanied by the onset of sharp temperature oscillations.<BR>The surface superheat required for the initiation of boiling decreased with increasing intensity of the applied magnetic field, reached a minimum, then increased again.<BR>The surface temperature fluctuations in nucleate boiling was higher under magnetic field than when free of such influence. The critical heat flux for burn-out was not ap-preciably affected by magnetic field.

• 一般社団法人 日本原子力学会の論文

著者

• SHIINA Yasuaki

  Heat Transfer Laboratory, Japan Atomic Energy Research Institute

• SEKI Masahiro

  Heat Transfer Laboratory, Tokai Research Establishment, Japan Atomic Energy Research Institute

• SANOKAWA Konomo

  Heat Transfer Laboratory, Tokai Research Establishment, Japan Atomic Energy Research Institute

• KAWAMURA Hiroshi

  Heat Transfer Laboratory, Tokai Research Establishment, Japan Atomic Energy Research Institute

関連論文

• Heat transfer by natural convection in a half-sphere heated from below.
• Experimental Studies on Heat Transfer by Natural Convection and Pool Boiling of Sodium in a Strong Magnetic Field

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