Nuclear fuel element
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United States of America Patent
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-
Aug 4, 1981
Grant Date -
N/A
app pub date -
May 25, 1979
filing date -
May 24, 1978
priority date (Note) -
Expired
status (Latency Note)
Importance
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.
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