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2002128468/06, 2002-10-24

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2002-10-24

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2002-10-24

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2005-03-20

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Inventor

Potoskaev G.G.Kurskov V.S.Ivanov A.V.Panjushkin A.K.Doronin A.S.Dukhovenskij A.S.Dragunov Ju.G.Lavrenjuk P.I.Bek E.G.Aksenov P.M.Enin A.A.Rozhkov V.V.Afanas'Ev V.L.Sinikov Ju.G.Kobelev S.N.

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Holder

Otkrytoe Aktsionernoe Obshchestvo Zavod"Otkrytoe Aktsionernoe Obshchestvo Zavod Khimkontsentratov"

FUEL ASSEMBLY OF WATER-MODERATED WATER-COOLED REACTOR Russian patent published in 2005 - IPC

Abstract RU 2248630 C2

FIELD: nuclear power engineering.

SUBSTANCE: proposed fuel assembly designed for use in water-moderated water-cooled reactors, primarily those of VVER-1000 type, is characterized in that its uranium dioxide mass in bundle, outer and inner diameters of fuel element cladding are 436.24 to 561.18 kg, 7.00 · 10-3 to 7.50 · 10-3 m, and 5.94 · 10-3 to 6.36 · 10-3 m, respectively, for bundle of 468 to 510 fuel elements, or uranium dioxide mass in bundle, outer and inner diameters of fuel element cladding are 451.37 to 582.17 kg, 7.60 · 10-3 to 8.30 · 10-3 m, and 6.45 · 10-3 to 7.04 · 10-3 m, respectively, for bundle of 390 to 432 fuel elements, or uranium dioxide mass in bundle, outer and inner diameters of fuel element cladding are 442.22 to 544.12 kg, 8.30 · 10-3 to 8.79 · 10-3 m, and 7.04 · 10-3 to 7.46 · 10-3 m, respectively, for bundle of 331 to 367 fuel elements, water-uranium ratio of subchannel being chosen between 1.27 and 1.83.

EFFECT: reduced linear heat loads and fuel element depressurization probability; enlarged reactor power control range, improved fuel utilization.

4 cl, 11 dwg

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RU 2 248 630 C2

Authors

Potoskaev G.G.

Kurskov V.S.

Ivanov A.V.

Panjushkin A.K.

Doronin A.S.

Dukhovenskij A.S.

Dragunov Ju.G.

Lavrenjuk P.I.

Bek E.G.

Aksenov P.M.

Enin A.A.

Rozhkov V.V.

Afanas'Ev V.L.

Sinikov Ju.G.

Kobelev S.N.

Dates

2005-03-20—Published

2002-10-24—Filed

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