IMPROVEMENTS IN OR RELATING TO TUBULAR FUEL ELEMENTS FOR NUCLEAR REACTORS
Journal Article
·
· Nuclear Power
OSTI ID:4316571
One of the disadvantages of tubular fuel elements is that unequal dimensional changes occur due to temperature changes and irradiation effccts. One sheath is brought into tightcr contact with the fuel while the other makes poorer contact so that there is an unequal distribution of heat to the two cooling surfaces. To overcome this an element is described comprising a tube of beryllium with longitudinal bores containing uranium rods. The tube may be fluted on the inner and outer surfaces to equalize the thickness of metal between them. The fuel may be enclosed by a beryllium plug at each end, argon-arc welded into place. Alternatively, there may be an annular grcove at the end of the tube and the seal for and by a beryllium ring welded to the groove wall.
- Research Organization:
- Originating Research Org. not identified
- NSA Number:
- NSA-12-016061
- OSTI ID:
- 4316571
- Journal Information:
- Nuclear Power, Journal Name: Nuclear Power Vol. 3; ISSN 0546-8981; ISSN NUPOAS
- Country of Publication:
- United Kingdom
- Language:
- English
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