IMPROVEMENTS RELATING TO FLUID COOLED NUCLEAR REACTORS
Patent
·
OSTI ID:4107627
A throttle member is designed for setting the flow of a fluid coolant in a reactor core fuel channel at a predetermined level which is independent of the number of fuel elements in the channel. The throttle member comprises a length of ducting located in the lower part of the channel and with a passage of cross- sectional area tapering in the flow direction and a movable flow restriction disk with a spring positioned between the disk and the passage. In operation, excess coolant flow due to fuel-element removal from the channel forces the disk against the spring toward the passage until a new equilibrium with reduced coolant flow is reached. The disk has bypass passages to prevent complete coolant shutoff. This throttle member is particularly applicable to gas-cooled reactors. Drawings are included. (D. L.C.)
- Research Organization:
- Originating Research Org. not identified
- NSA Number:
- NSA-15-008298
- OSTI ID:
- 4107627
- Report Number(s):
- GB 856950
- Country of Publication:
- United Kingdom
- Language:
- English
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