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ISSN: 1064-2285 Print
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Pages: 174
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Experimental and Computational Investigations of Heat Transfer and Stability of Boiling Liquid Metal in a Model of an Array of the Fast-Neutron Reactor Fuel Elements
A. D. Efanov
State Scientific Center of the Russian Federation - Physical and Power Engineering Institute, 1 Bondarenko Sq., 249033, Obninsk, Russia
E. F. Ivanov
State Scientific Center of the Russian Federation - Physical and Power Engineering Institute, Obninsk, Russia
V. P. Kolesnik
State Scientific Center of the Russian Federation - Physical and Power Engineering Institute, Obninsk, Russia
O. A. Korkhov
State Scientific Center of the Russian Federation - Physical and Power Engineering Institute, Obninsk, Russia
V. L. Mal'kov
State Scientific Center of the Russian Federation - Physical and Power Engineering Institute, Obninsk, Russia
D. E. Martsinyuk
State Scientific Center of the Russian Federation - Physical and Power Engineering Institute, Obninsk, Russia
K. S. Rymkevich
State Scientific Center of the Russian Federation - Physical and Power Engineering Institute, Obninsk, Russia
A. P. Sorokin
State Scientific Center of the Russian Federation - Physical and Power Engineering Institute, Obninsk, Russia
G. P. Bogoslovskaya
State Scientific Center of the Russian Federation - Physical and Power Engineering Institute, Obninsk, Russia
ABSTRACT
The paper presents and analyzes experimental and calculated data on the boiling of a sodium-potassium heat carrier in an array of simulators of fuel elements in a loop with natural circulation which models the conditions of operation of a fast reactor in the regime of accidental cooling. At different mass flow rates of a heat carrier, three regimes of boiling were obtained: a stable (bubble) regime at the initial stage of boiling, then a pulsing (slug) regime which, on increase in the power supply, passed into the second stable (mist) regime of boiling.
pages 9
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