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Method and apparatus for detecting the leak of coolant into the jacket of a nuclear reactor fuel rod. [BWR and PWR]

Patent ·
OSTI ID:7296087
;

A method and apparatus for detecting the leakage of coolant into the jacket of a nuclear reactor fuel rod are described. The apparatus includes a coolant absorbing means mounted at a predetermined location within the jacket. Upon leakage of coolant and absorption thereof pressure forces developed by the absorbing means locally deform the jacket. Periodic inspection of the jacket's exterior by gauges, optical instruments or the like, reveals the presence of such deformation thereby indicating the presence of coolant leakage.

Assignee:
Siemens Aktiengesellschaft
Patent Number(s):
US 4036685
OSTI ID:
7296087
Country of Publication:
United States
Language:
English

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Related Subjects

21 SPECIFIC NUCLEAR REACTORS AND ASSOCIATED PLANTS
210100* -- Power Reactors
Nonbreeding
Light-Water Moderated
Boiling Water Cooled
210200 -- Power Reactors
Nonbreeding
Light-Water Moderated
Nonboiling Water Cooled
ALKALINE EARTH METAL COMPOUNDS
ALUMINIUM COMPOUNDS
ALUMINIUM OXIDES
BWR TYPE REACTORS
CHALCOGENIDES
DEFORMATION
ELASTICITY
FUEL ELEMENTS
FUEL RODS
LEAK DETECTORS
MAGNESIUM COMPOUNDS
MAGNESIUM OXIDES
MECHANICAL PROPERTIES
OXIDES
OXYGEN COMPOUNDS
PWR TYPE REACTORS
REACTOR COMPONENTS
REACTORS
TENSILE PROPERTIES
THERMOELASTICITY
WATER COOLED REACTORS
WATER MODERATED REACTORS