IMPROVEMENTS RELATING TO THE COOLING OF LONGITUDINAL FINS BY FLUID CIRCULATION
Patent
·
OSTI ID:4105384
Cylindrical fuel elements having longitudinal cooling fins and being arranged in reactor channels in which the coolant circulates essentially in axial direction are surrounded by annular rings in order to create at the outer surface of these rings a lowering of pressure which induces a partial renovation of the boundary layer downstream of these rings. The places where a lowering of pressure is created are at well-defined distances apart, and at these places the fins have transverse slits. These rings may have sharp edges on the down-stream side and be smoothly profiled on the up-stream side. They may also have the profile of a classical wing. Instead of rings, a helically wound strip may be arranged coaxial with the fuel elements. The down-stream edges of the fins may be profiled also, in the vicinity of the said slits. (NPO)
- Research Organization:
- Originating Research Org. not identified
- NSA Number:
- NSA-15-008976
- OSTI ID:
- 4105384
- Report Number(s):
- FR 1219325
- Country of Publication:
- France
- Language:
- English
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