Patent
1975-05-02
1977-11-22
Bentley, Stephen C.
176 73, 176 94, G21C 330
Patent
active
040594840
ABSTRACT:
A hybrid fuel assembly for use in nuclear fuel reactors, such as a large pressurized water reactor, including a fuel assembly having a matrix of fuel rods of different sizes, wherein fuel rods of a first large size are disposed in island arrays which are located within the matrix of fuel rods of the second small size in the vicinity of the control rod guide tubes of the assembly, such that retention of the control rods normally associated with a reactor fuel assembly employing fuel rods only of the first size is possible while still allowing for the maximum linear heat generation rate (LHGR) for the larger first size rods to be reduced to the LHGR normal for the second smaller size fuel rods or lower.
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Barth, "Power-Flattening Techniques Boost BWR Core Capabilities"; Nucleonics, May 1965, pp. 72-73.
Bupp Lamar P.
Sofer George A.
Bentley Stephen C.
Exxon Nuclear Company Inc.
Hantman Ronald D.
Paris F. Donald
Walsh Donald P.
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