FIELD: nuclear physics.
SUBSTANCE: invention relates to nuclear reactor of fission of fast neutrons. Reactor comprises an active zone having a place for installation of devices. In some places for installation of devices in active zone of nuclear reactor there are dividing and reproducing fuel assemblies. One or several other places for installation of devices in reactor core contain devices for increasing Doppler reactivity factor, which increase negativity of Doppler reactivity coefficient within nuclear reactor core. In some embodiments, the device for increasing the Doppler reactivity coefficient can also reduce the temperature coefficient of heat carrier in the core of the nuclear reactor.
EFFECT: technical result is higher stability of core of nuclear reactor.
20 cl, 1 tbl, 10 dwg
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