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Application

2002128471/06, 2002-10-24

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Start date

2002-10-24

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Actual filing date

2002-10-24

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Published

2004-11-27

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Inventor

Potoskaev G.G.Kurskov V.S.Ivanov A.V.Bek E.G.Doronin A.S.Chibinjaev A.V.Dragunov Ju.G.Vasil'Chenko I.N.Mezhuev V.A.Lavrenjuk P.I.Chapaev I.G.Jadryshnikov M.V.Rozhkov V.V.Enin A.A.

(73)

Holder

Otkrytoe Aktsionernoe Obshchestvo Zavod"Otkrytoe Aktsionernoe Obshchestvo Zavod Khimkontsentratov"

WATER-MODERATED POWER REACTOR CORE Russian patent published in 2004 - IPC

Abstract RU 2241262 C2

FIELD: nuclear power engineering; cores for water-moderated reactors.

SUBSTANCE: proposed core used in particular for type VVER-440 reactors is characterized in that water-to-uranium ratio of its fuel assembly spacer grid, outer and inner diameters of fuel element can are 0.98 to 2.52 and 7.00 m · 10-3 to 8.00· 10-3 m, and 5.94 · 10-3 to 6.79 · 10-3 m, respectively, for fuel assemblies incorporating 174 to 216 fuel elements, or water-to-uranium ratio of fuel assembly spacer grid, outer and inner diameters of fuel element can are 1.14 to 2.76, 7.80 · 10-3 to 8.79 · 10-3 m, and 6.62 · 10-3 to 7.47 · 10-3 m, respectively, for fuel assemblies incorporating 132 to 168 fuel elements; ratio of core height to fuel assembly length is 0.7488 to 0.7897.

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

6 cl, 6 dwg

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RU 2 241 262 C2

Authors

Potoskaev G.G.

Kurskov V.S.

Ivanov A.V.

Bek E.G.

Doronin A.S.

Chibinjaev A.V.

Dragunov Ju.G.

Vasil'Chenko I.N.

Mezhuev V.A.

Lavrenjuk P.I.

Chapaev I.G.

Jadryshnikov M.V.

Rozhkov V.V.

Enin A.A.

Dates

2004-11-27—Published

2002-10-24—Filed

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