Neutron reflector

Details Neutron reflector Neutron reflector

1985-08-14

1988-03-15

Terapane, John F.

Induced nuclear reactions: processes, systems, and elements

Moderator or reflector component structure for a fission...

376399, 376287, G21C 1106

Patent

active

047312203

ABSTRACT:
Metallic reflector units supported solely by the core barrel substantially fill the annular spaces between the vertically spaced former plates which traverse the irregular space between the fuel assembly array and the core barrel in a pressurized water reactor. The support for each reflector unit comprises a pin extending radially outward along an extended line passing through the center of the metallic mass to support the vertical loads, and four elongated bolts in a rectangular pattern centered on the pin to resist overturning moments induced by seismic loads. The elongated bolts engage the core barrel and the bottoms of bores in the reflector units so that the bolts are free to bend to accommodate for thermal expansion of the reflector unit in all directions from the pin.

REFERENCES:
patent: 4080257 (1978-03-01), Machado et al.

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