Induced nuclear reactions: processes – systems – and elements – Testing – sensing – measuring – or detecting a fission reactor... – Leak detection
Patent
1985-06-25
1987-06-23
Cangialosi, Salvatore
Induced nuclear reactions: processes, systems, and elements
Testing, sensing, measuring, or detecting a fission reactor...
Leak detection
376315, G21C 1700
Patent
active
046751483
ABSTRACT:
In the detection of failed fuel in liquid metal cooled nuclear reactors, a helical annular linear induction pump (5,6) electromagnetically pumps coolant in sampling pipes (4) from fuel sub-assemblies of the reactor core to a selector mechanism (9,10) which collects, in turn, the discharge from each sampling pipe (4) for supply to equipment for monitoring for the presence in the coolant of products indicative of fuel failure. The selector mechanism collects the discharge without contacting the sampling pipes (4) and the same pump (5,6) is employed to pump the selected samples via pipe 11 to the monitoring equipment. This pump may also serve to pump a proportion of the bulked sample from the non-selected sampling pipes after discharge into a vessel (7), the bulked sample being conducted through the pump via pipes (13).
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Nuc. Eng. Int. (7/71), pp. 570-580, Chapelot.
Cangialosi Salvatore
Hinds William R.
National Nuclear Corporation Limited
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