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2 393 559

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IPC

G21C3/08(2006-01-01)

(21) (22)

Application

2008134739/06, 2008-08-28

(24)

Start date

2008-08-28

(22)

Actual filing date

2008-08-28

(45)

Published

2010-06-27

(72)

Inventor

Zhingel' Vladimir Iosifovich

(73)

Holder

Otkrytoe Aktsionernoe Obshchestvo Nauchno-Issledovatel'Skij I Proektno-Konstruktorskij Institut Atomnogo Ehnergeticheskogo Mashinostroenija"

FUEL ELEMENT Russian patent published in 2010 - IPC G21C3/08 

Abstract RU 2393559 C2

FIELD: power engineering.

SUBSTANCE: fuel element consists of cylinder cladding with fuel core in form of successively coupled tablets positioned in cladding. Also the tablets have end faces forming cross grooves of the core. The cladding has cross corrugations positioned in grooves of the core. The design of the cladding with cross corrugations positioned in grooves of the core and functioning as a lens compensator facilitates reduction of stresses occurring in the cladding because of considerable temperature elongation of the core, its swelling and gas release. Additionally, the cladding with cross corrugations causes vortex formation of coolant washing fuel element. Vortex formation generated in zones of corrugations is carried away with flow and is utilised in zones between corrugations.

EFFECT: increased allowed heat power of fuel element at maintaining its strength properties.

2 dwg

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RU 2 393 559 C2

Authors

Zhingel' Vladimir Iosifovich

Dates

2010-06-27—Published

2008-08-28—Filed

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