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Heat Transfer at Mixed Convection in Horizontal Flat Channels of the Vacuum Vessel of the International Thermonuclear Experimental Reactor (ITER)

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Abstract

The results are given of the experimental investigation of the intensity of heat transfer from the flat horizontal surfaces of a model of the vacuum vessel channel of the international thermonuclear experimental reactor (ITER). The channel height is varied from 12 to 50 mm, as well as its heated length (1.02 and 2.48 m). The water flow velocities of 0.0066 to 0.15 m/s correspond to the values of Re $equals; 560 to 16 600. The specific heat flux on the heat-transfer surfaces is 1.3–24.4 kW/m2. The examined range of parameters is characterized by a significant temperature stratification of water over the channel height. Generalizing relationships are suggested based on the experimental results.

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Authors and Affiliations

  1. Polzunov Scientific and Production Association for Research and Design of Power Equipment, St. Petersburg, 191167, Russia

    B. F. Balunov, A. S. Babykin & T. S. Zhivitskaya

  2. FGUP (Federal State Unitary Enterprise) Research Institute of Electrophysical Apparatus (NIIEFA), St. Petersburg, 196641, Russia

    V. A. Krylov, V. N. Tanchuk & S. A. Grigor'ev

Authors
  1. B. F. Balunov
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  2. A. S. Babykin
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  3. T. S. Zhivitskaya
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  4. V. A. Krylov
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  5. V. N. Tanchuk
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  6. S. A. Grigor'ev
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Balunov, B.F., Babykin, A.S., Zhivitskaya, T.S. et al. Heat Transfer at Mixed Convection in Horizontal Flat Channels of the Vacuum Vessel of the International Thermonuclear Experimental Reactor (ITER). High Temperature 42, 278–285 (2004). https://doi.org/10.1023/B:HITE.0000026160.41544.02

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  • DOI: https://doi.org/10.1023/B:HITE.0000026160.41544.02

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