Induced nuclear reactions: processes – systems – and elements – Fuel component structure – Plural fuel segments or elements
Patent
1997-11-21
1999-09-14
Behrend, Harvey E.
Induced nuclear reactions: processes, systems, and elements
Fuel component structure
Plural fuel segments or elements
376371, 376377, 376443, 122488, G21C 316, G21C 332, G21C 1516
Patent
active
059533870
ABSTRACT:
A steam/water separating device for a nuclear fuel bundle is located in a vent volume above part-length rods and includes a helical swirl vane. In one form, the swirl device lies below a vent tube and a transition element for flowing liquid laterally outwardly into the interstices of the fuel rods and steam upwardly within the vent tube. In another form, the vane depends from a cylindrical barrel open at its lower end. An annular pick-off tube extends into the open upper end of the barrel and lies in communication through a transition element with a superposed steam vent tube. An annular outlet is defined between the barrel and pick-off tube and the transition element deflects coolant water flowing through the annular outlet in a lateral outward direction for flow into the interstices of and onto the full-length fuel rods. Steam flows upwardly in the barrel through the pick-off tube into the steam vent tube.
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Dix Gary E.
Matzner Bruce
Behrend Harvey E.
General Electric Company
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