Nuclear reactor core having nuclear fuel and composite burnable absorber arranged for power peaking and moderator temperature coefficient control
Patent
·
OSTI ID:5460378
This patent describes a nuclear reactor core. It comprises a first group of fuel rods containing fissionable material and being free of burnable absorber material; and a second group of fuel rods containing fissionable material and first and second burnable absorber material; the first burnable absorber material being a boron-bearing material which does not contain erbium and the second burnable absorber material being an erbium material; the first and second burnable absorber materials being in the form of an outer coating on the fissionable material, the outer coating being composed of an inner layer of one of the boron-bearing material which does not contain erbium and the erbium material and an outer layer of the other of the boron-bearing material which does not contain erbium and the erbium material.
- Assignee:
- Westinghouse Electric Corp., Pittsburgh, PA (United States)
- Patent Number(s):
- A; US 5075075
- Application Number:
- PPN: US 7-465286
- OSTI ID:
- 5460378
- Country of Publication:
- United States
- Language:
- English
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