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Heat Transfer Research
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ISSN Imprimer: 1064-2285
ISSN En ligne: 2162-6561

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Heat Transfer Research

DOI: 10.1615/HeatTransRes.v33.i3-4.180
4 pages

Investigation of a Thermosyphon Mock-Up Designed to Remove High-Density Heat Fluxes

V. V. Privezentsev
Physics and Power Engineering Institute, Obninsk
A. A. Pukhov
Physics and Power Engineering Institute, Obninsk, Russia
E. V. Solov'ev
Physics and Power Engineering Institute, Obninsk, Russia

RÉSUMÉ

Results of an investigation of a thermosyphon mock-up designed to remove high-density heat fluxes from a lower base are presented. Gas Freon-113 under a pressure of 1 bar was used as a coolant. The model of accelerated separation of vapor conglomerates by liquid streams created as a result of natural convection is realized in the mock-up. The investigation confirmed that this method is promising: the range of the boiling mode expands to the heat transfer boundary with density 10 times higher than the critical value in boiling on a horizontal surface under the conditions of natural convection; high-intensity heat transfer to 9·104 W/(m2·K) takes place over the entire range. These results suggest that the thermosyphon with water as a coolant makes it possible to remove heat fluxes of density more than 15 MW/m2 with intensity over 105 W/(m2·K.).


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