Gas cooled nuclear reactor with a pebble bed of spherical operat

Details Gas cooled nuclear reactor with a pebble bed of spherical operat Gas cooled nuclear reactor with a pebble bed of spherical operat

1988-08-19

1991-05-28

Behrend, Harvey E.

Induced nuclear reactions: processes, systems, and elements

Nuclear transmutation

By neutron bombardment

376191, 376214, 376381, G21C 100, G21G 102, G21G 402

Patent

active

050193228

ABSTRACT:
A gas cooled nuclear reactor may have a stationary pile of spherical operating elements. The reactor may be controlled and shut down by absorber rods displaceable in channels of the side reflector. The neutron sources required for the safe start-up of such pellet pile reactors, which in the case of higher capacity pile reactors are installed in bores of the side reflector, are arranged in the stationary pile, where they are more effective and do not occupy positions in the side reflector. They may be located in one or more graphite elements having the same diameter as the operating elements. These elements may be introduced and removed into and from the core together with the operating elements and remain stationary in operation.

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