DESIGN AND FABRICATION OF SPECIAL ASSEMBLY 12-L. TWO DESIGNS FOR UTILIZING BORON AS BURNABLE POISON
Two reactor fuel rod designs using boron burnable poison have been incorporated into a fuel bundle for irradiation testing in the VBWR to provide irradiation experience for these two designs, under actual operation in a boiling water power reactor. The designs utilize borated stainless steel cladding and a boron compound mixed in compacted powder UO/sub 2/. The test assembly was fabricated for the AEC Fuel Cycle Program, and is designated as Special Assembly 12-L. Irradiation testing in the VBWR started in February, 1963. The bundle contains 16 fuel rods in a 4 x 4 array, and is designed to be operated at a peak heat flux of 400,000 Btu/ft/sup 2/-hr. The rods have a nominal outside diameter of 0.485 inch; the cladding is 0.011-inch-thick Type 304 stainless steel tubing. A discussion is presented of the design and fabrication characteristics of the fuel rods in the bundle. (auth)
- Research Organization:
- General Electric Co. Atomic Power Equipment Dept., San Jose, Calif.
- NSA Number:
- NSA-17-036247
- OSTI ID:
- 4662763
- Report Number(s):
- GEAP-4312
- Country of Publication:
- United States
- Language:
- English
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