Strain gauge instrumentation device for in-core monitor housings

Details Strain gauge instrumentation device for in-core monitor housings Strain gauge instrumentation device for in-core monitor housings

1994-04-13

1995-08-15

Walsh, Donald P.

Induced nuclear reactions: processes, systems, and elements

Testing, sensing, measuring, or detecting a fission reactor...

376252, 376249, 376247, 376246, G21C 1700

Patent

active

054426650

ABSTRACT:
A device for easily installing and removing strain gauge instrumentation and associated wiring on the inside of in-core monitor housings. A vibration sensor is attached to an inside diameter of a cylindrical housing. A signal cable is coupled to the vibration sensor and extends into an exterior of the reactor pressure vessel. A protective assembly minimizes the damage inflicted on the signal cables during handling. The signal cables are helically wound in an annular space between a pair of concentric thin-walled tubes and then passed through cable penetration bores formed in the body of a flange insert. The flange insert supports the concentric tube assembly and is sandwiched between the housing flange and the in-core monitor instrument flange of a conventional in-core monitor assembly.

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