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Application

2002128467/06, 2002-10-24

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Start date

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.Bek E.G.Doronin A.S.Dukhovenskij A.S.Dragunov Ju.G.Vasil'Chenko I.N.Mezhuev V.A.Lavrenjuk P.I.Sinikov Ju.G.Afanas'Ev V.L.Kushmanov A.I.Jadryshnikov M.V.

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Holder

Otkrytoe Aktsionernoe Obshchestvo Zavod"Otkrytoe Aktsionernoe Obshchestvo Zavod Khimkontsentratov"

WATER-MODERATED WATER COOLED-REACTOR CORE Russian patent published in 2005 - IPC

Abstract RU 2248629 C2

FIELD: nuclear power engineering.

SUBSTANCE: proposed core used for water-moderated water-cooled reactors, and type VVER-1000 in particular, is characterized in that water-uranium ratio of fuel lattice, outer and inner diameters of fuel element cladding are 1.51 to 2.10, 7.00 · 10-3 to 7.50 · 10-3 m, and 5.93 · 10-3 to 6.36 · 10-3 m, respectively, for fuel assemblies incorporating 468 to 510 fuel elements, or water-uranium ratio for fuel lattice, outer and inner diameters of fuel element cladding are 1.49 to 2.06, 7.60 · 10-3 to 8.30 · 10-3 m, and 6.45 · 10-3 to 7.04 · 10-3 m, respectively, for fuel assembly having 390 to 432 fuel elements, or water-uranium ratio of fuel lattice, outer and inner diameters of fuel element cladding are 1.61 to 2.03, 8.30 ·10-3 to 8.89 · 10-3 m, and 7.04 · 10-3 to 7.46 · 10-3 m, respectively, for fuel assembly with 318 to 360 fuel elements, core height to fuel assembly length ratio being 0.7677 to 0.7945.

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

5 cl, 16 dwg

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RU 2 248 629 C2

Authors

Potoskaev G.G.

Kurskov V.S.

Ivanov A.V.

Bek E.G.

Doronin A.S.

Dukhovenskij A.S.

Dragunov Ju.G.

Vasil'Chenko I.N.

Mezhuev V.A.

Lavrenjuk P.I.

Sinikov Ju.G.

Afanas'Ev V.L.

Kushmanov A.I.

Jadryshnikov M.V.

Dates

2005-03-20—Published

2002-10-24—Filed

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