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U.S. Department of Energy
Office of Scientific and Technical Information

IMPROVEMENTS RELATING TO NUCLEAR REACTOR CORES

Patent ·
OSTI ID:4837186
The core of a reactor comprises a plurality of parallelly positioned contiguous moderator elements, the fuel elements being arranged at the edges of the moderator elements. The moderator elements have a polygonal cross section, with a sector of a circle cut away at the corners or at the side faces in order to provide, with the adjacent elements, a cylindrical channel in which the fuel elements are arranged. The moderator elements are suitably of graphite having a hexagonal cross section and are clad with a corrosion resistant sheet, such as stainless steel, zir conium, titanium, or inconel. The fuel elements may form an assembly in each channel and comprise uranium enriched in U/sup 235/. The head of each moderator assembly may form a pyramid enclosing gas absorbing material. (NPO)
Research Organization:
Originating Research Org. not identified
NSA Number:
NSA-15-032948
OSTI ID:
4837186
Report Number(s):
FR 1206698
Country of Publication:
France
Language:
English