Induced nuclear reactions: processes – systems – and elements – Testing – sensing – measuring – or detecting a fission reactor... – Temperature or pressure measurement
Patent
1982-07-02
1986-03-18
Cangialosi, Salvatore
Induced nuclear reactions: processes, systems, and elements
Testing, sensing, measuring, or detecting a fission reactor...
Temperature or pressure measurement
374176, 374184, G21C 1700, G01K 738
Patent
active
045767815
ABSTRACT:
A threshold temperature is detected by providing a sensor (12) comprising a magnet (13) inside a ferromagnetic shield (14) which has a lower Curie point than that of the magnet. Below threshold the sensor is magnetically characterless. Above threshold the sensor displays a magnetic character which is detected at a solid-state magnetometer (16). In one application the sensor is located in a breeder fuel sub-assembly (20) at the breeder/fuel region (22) of a fast-fission nuclear reactor and the magnetometer is located in a fuel sub-assembly (21). In another application the sensor is located inside a sealed containment vessel and the magnetometer is located outside the vessel.
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Duncombe Edward
Winstanley John P.
Cangialosi Salvatore
Hinds William R.
United Kingdom Atomic Energy Authority
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