| CPC G21C 3/36 (2013.01) [G21C 3/042 (2013.01); G21C 3/18 (2013.01); G21C 3/30 (2013.01); G21C 5/16 (2013.01); G21C 3/06 (2013.01); G21C 3/16 (2013.01); G21C 5/06 (2013.01); G21C 21/02 (2013.01)] | 26 Claims |
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1. A nuclear fission reactor structure comprising a plurality of layers, wherein each layer of the plurality of layers includes:
an inner segment body including an inner opening extending axially from a first side of the inner segment body to a second side of the inner segment body;
an intermediate segment body radially outward of the inner segment body;
an outer segment body radially outward of the intermediate segment body;
a first interior interface separating the inner segment body and the intermediate segment body; and
a second interior interface separating the intermediate segment body and the outer segment body,
wherein, in a cross-sectional plan view in a plane perpendicular to the axially extending inner opening:
the inner segment body includes a plurality of inner cladding arms having a first involute curve shape that spirally radiates outward from a first radially inner end adjacent to the inner opening to a first radially outer end at the first interior interface,
the intermediate segment body includes a plurality of intermediate cladding arms having a second involute curve shape that spirally radiates outward from a second radially inner end adjacent to the first interior interface to a second radially outer end at the second interior interface, and
the outer segment body includes a plurality of outer cladding arms having a third involute curve shape that spirally radiates outward from a third radially inner end adjacent to the second interior interface to a third radially outer end at a radially outer surface of the outer segment body,
wherein each of the first involute curve shape, the second involute curve shape, and the third involute curve shape have a different curvature, and
wherein, collectively, the first involute curve shape, the second involute curve shape, and the third involute curve shape form an involute curve shape extending from the inner opening to the radially outer surface of the outer segment body.
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