FUEL ASSEMBLY OF NUCLEAR REACTOR Russian patent published in 2015 - IPC G21C3/30

Abstract RU 2540981 C1

FIELD: power industry.

SUBSTANCE: fuel assembly (FA) of nuclear reactors of WWER type includes a spacing grid with rims. On each of the grids, on the upper edge of each edge of the rim, as well as under angles in the middle between peripheral fuel elements there are diverting elements in the form of plates bent from the rim at an angle of 5…20° and projecting into space between the peripheral fuel elements, and the lower edge of the rim has a bend by a value that is not more than thickness of the wall of SG cell.

EFFECT: improving efficiency of temperature equalisation across FA cross-section; improving heat engineering reliability of a grid; ensuring its additional stiffness.

3 cl, 5 dwg

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RU 2 540 981 C1

Authors

Aksenov Petr Mikhajlovich

Lerner Aleksandr Efimovich

Luzan Jurij Vasil'Evich

Dates

2015-02-10—Published

2013-09-27—Filed