Nuclear fuel element

Details Nuclear fuel element Nuclear fuel element

1979-05-25

1981-08-04

Nelson, Peter A.

176 78, 176 90, G21C 330

Patent

active

042820642

ABSTRACT:
A nuclear fuel element is provided which comprises a cladding tube having end plugs for sealing ends of the cladding tube and a multiplicity of fuel pellets stacked within the cladding tube. Each of the fuel pellets has a substantially cylindrical external lateral surface and a plurality of longitudinal recesses having rounded root portions on the external lateral surface, and has a height within the range from 1/2 to 1/3 of the outer diameter thereof. These fuel pellets with the floral petal shape are stacked in such a manner that the recesses of one pellet are not aligned with the recesses of adjacent upper and/or lower pellets.

REFERENCES:
patent: 3356584 (1967-12-01), Ockert
patent: 3378454 (1968-04-01), Fiebelmann
patent: 3386887 (1968-06-01), Mogard
patent: 3415911 (1968-12-01), Lloyd
patent: 3560339 (1971-02-01), McHugh
patent: 3580809 (1971-05-01), Williams et al.
patent: 3801451 (1974-04-01), Scharf
patent: 4129477 (1978-12-01), Johansson et al.
patent: 4131511 (1978-12-01), Mordarski et al.
patent: 4175002 (1979-11-01), Wada

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