FIELD: atomic physics.
SUBSTANCE: invention relates to travelling-wave nuclear reactors and particularly to methods for controlled removal of volatile nuclear fission products and heat released by a combustion wave in the nuclear reactor. The method employs a fuel assembly having cover which is configured to hold a porous mass of nuclear fuel with a volatile nuclear fission product. The method includes connecting a fluid medium control subunit with a cover, which is configured for controlled removal of at least a portion of volatile nuclear fission products from the porous mass of nuclear fuel, and circulation of the heat-removing fluid medium through the porous mass of nuclear fuel to remove heat produced by the mass of nuclear fuel.
EFFECT: providing high and sustained burnup of fuel.
16 cl, 213 dwg
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