Multiple and variably-spaced intermediate flow mixing vane grids for fuel assembly

Multiple and variably-spaced intermediate flow mixing vane grids for fuel assembly

A fuel assembly for a pressurized water reactor that includes a bottom nozzle, a plurality of elongated guide thimbles projecting upwardly from the bottom nozzle, an array of fuel rods, a plurality of support grids axially spaced along the guide thimbles, and at least two Intermediate Flow Mixing gr...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: LIU BIN, DZODZO MILORAD B, JOFFRE PAUL F, CONNER MICHAEL E, KAROUTAS ZESES E, SMITH LEVIE D.III, PARAMONOV DMITRY V
Format: Patent
Sprache:eng
Schlagworte:
NUCLEAR ENGINEERING
NUCLEAR PHYSICS
NUCLEAR REACTORS
PHYSICS
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Beschreibung
Zusammenfassung:A fuel assembly for a pressurized water reactor that includes a bottom nozzle, a plurality of elongated guide thimbles projecting upwardly from the bottom nozzle, an array of fuel rods, a plurality of support grids axially spaced along the guide thimbles, and at least two Intermediate Flow Mixing grids, which may have different configurations of mixing device formations, disposed between pairs of non-uniformly spaced, adjacent support grids at selected locations.