RU94046198A - Nuclear reactor fuel element - Google Patents

Nuclear reactor fuel element

Info

Publication number
RU94046198A
RU94046198A RU94046198/25A RU94046198A RU94046198A RU 94046198 A RU94046198 A RU 94046198A RU 94046198/25 A RU94046198/25 A RU 94046198/25A RU 94046198 A RU94046198 A RU 94046198A RU 94046198 A RU94046198 A RU 94046198A
Authority
RU
Russia
Prior art keywords
fuel element
nuclear reactor
reactor fuel
mount
inner post
Prior art date
Application number
RU94046198/25A
Other languages
Russian (ru)
Other versions
RU2095861C1 (en
Inventor
Штайнке Александер
De]
Original Assignee
Сименс АГ (DE)
Сименс АГ
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Сименс АГ (DE), Сименс АГ filed Critical Сименс АГ (DE)
Publication of RU94046198A publication Critical patent/RU94046198A/en
Application granted granted Critical
Publication of RU2095861C1 publication Critical patent/RU2095861C1/en

Links

Classifications

    • G—PHYSICS
    • G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21C—NUCLEAR REACTORS
    • G21C3/00—Reactor fuel elements and their assemblies; Selection of substances for use as reactor fuel elements
    • G21C3/30—Assemblies of a number of fuel elements in the form of a rigid unit
    • G21C3/32—Bundles of parallel pin-, rod-, or tube-shaped fuel elements
    • G21C3/34—Spacer grids
    • G21C3/3424—Fabrication of spacer grids
    • G—PHYSICS
    • G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21C—NUCLEAR REACTORS
    • G21C3/00—Reactor fuel elements and their assemblies; Selection of substances for use as reactor fuel elements
    • G21C3/30—Assemblies of a number of fuel elements in the form of a rigid unit
    • G21C3/32—Bundles of parallel pin-, rod-, or tube-shaped fuel elements
    • G21C3/34—Spacer grids
    • G21C3/348—Spacer grids formed of assembled non-intersecting strips
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E30/00—Energy generation of nuclear origin
    • Y02E30/30—Nuclear fission reactors

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Plasma & Fusion (AREA)
  • General Engineering & Computer Science (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Monitoring And Testing Of Nuclear Reactors (AREA)
  • Fuel Cell (AREA)
  • Devices And Processes Conducted In The Presence Of Fluids And Solid Particles (AREA)
  • Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
  • Fuel-Injection Apparatus (AREA)

Abstract

FIELD: nuclear power engineering. SUBSTANCE: fuel element has lattice-shaped spacer with small manufacturing tolerances for cells; spacer has first and second inner mounts 6 and 7, respectively; mount 7 forms bending edge 0 where first inner mount 6 is rigidly welded to side edge 6a. EFFECT: improved design. 2 dwg

Claims (1)

Тепловыделяющий элемент ядерного реактора содержит имеющий форму решетки дистанционирующий разделитель с малыми допусками изготовления для ячеек. Разделитель содержит первую 6 и вторую 7 внутреннюю стойку, вторая внутренняя стойка 7 образует гибочную кромку О, на которой первая внутренняя стойка 6 жестко сварена с боковой кромкой 6а.The fuel element of a nuclear reactor contains a grid-shaped spacer with low manufacturing tolerances for the cells. The separator comprises a first 6 and a second 7 inner post, the second inner post 7 forms a bending edge O, on which the first inner post 6 is rigidly welded to the side edge 6a.
RU94046198/25A 1992-06-04 1993-05-24 Nuclear reactor fuel element RU2095861C1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE4218480A DE4218480A1 (en) 1992-06-04 1992-06-04 Nuclear reactor fuel element
DEP4218480.0 1992-06-04
PCT/DE1993/000453 WO1993024933A1 (en) 1992-06-04 1993-05-24 Bundle of nuclear-reactor fuel rods with hexagonal spacers made up of an assembly of basic components

Publications (2)

Publication Number Publication Date
RU94046198A true RU94046198A (en) 1996-10-20
RU2095861C1 RU2095861C1 (en) 1997-11-10

Family

ID=6460413

Family Applications (1)

Application Number Title Priority Date Filing Date
RU94046198/25A RU2095861C1 (en) 1992-06-04 1993-05-24 Nuclear reactor fuel element

Country Status (9)

Country Link
BG (1) BG60931B1 (en)
CZ (1) CZ281830B6 (en)
DE (1) DE4218480A1 (en)
FI (1) FI945693A0 (en)
HU (1) HU214528B (en)
RU (1) RU2095861C1 (en)
SK (1) SK280672B6 (en)
UA (1) UA27829C2 (en)
WO (1) WO1993024933A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4410396A1 (en) * 1994-03-25 1995-09-28 Siemens Ag Spacers with hexagonal mesh
SE519517C2 (en) 2000-07-03 2003-03-11 Westinghouse Atom Ab Fuel cartridge for a nuclear reactor arranged with flow-acting spreader
CN107967949A (en) * 2016-10-20 2018-04-27 华北电力大学 Lead base fast reactor quadrangle fuel assembly and its fast neutron reactor being used for

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4021300A (en) * 1975-05-23 1977-05-03 The United States Of America As Represented By The United States Energy Research And Development Administration Improved nuclear fuel assembly grid spacer
DE3401630A1 (en) * 1984-01-18 1985-07-18 Kraftwerk Union AG, 4330 Mülheim Spacers for the fuel rods of a nuclear reactor fuel element
DE4003830A1 (en) * 1989-02-10 1990-08-16 Siemens Ag Spacer arrangement for fuel rods of nuclear reactors - having grid cells, springs, sheet metal strips and sheet metal strip sections

Also Published As

Publication number Publication date
CZ295294A3 (en) 1995-03-15
RU2095861C1 (en) 1997-11-10
FI945693A (en) 1994-12-02
UA27829C2 (en) 2000-10-16
HU214528B (en) 1998-03-30
HU9401482D0 (en) 1994-08-29
SK280672B6 (en) 2000-05-16
CZ281830B6 (en) 1997-02-12
BG98801A (en) 1995-05-31
FI945693A0 (en) 1994-12-02
BG60931B1 (en) 1996-06-28
HUT67972A (en) 1995-05-29
WO1993024933A1 (en) 1993-12-09
DE4218480A1 (en) 1993-12-09
SK148494A3 (en) 1995-07-11

Similar Documents

Publication Publication Date Title
US4964713A (en) Concentrator arrangement
AU637203B2 (en) Power generation system with flat fuel cells of solid electrolyte
DK0502125T3 (en) Fuel cell power collector
DE3874768D1 (en) REFORMER FOR FUEL CELL POWER PLANT.
DE59004321D1 (en) Solid electrolyte high temperature fuel cell module.
ATE277425T1 (en) SOLAR CELL SYSTEM
AU9092391A (en) Efficiency enhancement for solid-electrolyte fuel cell
James et al. Fresnel optics for solar concentration on photovoltaic cells
FR2594998B1 (en) GRILLE FOR NUCLEAR FUEL ASSEMBLY, AND ASSEMBLY COMPRISING APPLICATION
RU94019327A (en) Nuclear reactor and its fuel channel
ATE79485T1 (en) SOLAR MODULE.
O'Gallagher et al. Nonimaging solar concentrator with near-uniform irradiance for photovoltaic arrays
RU94046198A (en) Nuclear reactor fuel element
SE8203281L (en) solar module
ES470566A1 (en) Flat solar energy collector with low heat contact between absorber and edge of collector
FR2398983A1 (en) Solar radiation energy collector - has thin metal sheets perpendicular to water tubes to increase absorption of incident radiation
JPS56142679A (en) Photoelectric converter
AU8547391A (en) Generation of electricity with fuel cell using alcohol fuel
Boes Photovoltaic concentrators
JPH01308178A (en) Solar cell
Winston et al. Nonimaging solar concentrator with uniform irradiance
Younger et al. Terrestrial solar arrays with integral glass construction
JPS59126681A (en) Solar battery device
Edenburn et al. Status of the DOE photovoltaic concentrator technology development project
JPS56109303A (en) Condensing heat collector coupled with reflex mirror

Legal Events

Date Code Title Description
MM4A The patent is invalid due to non-payment of fees

Effective date: 20030525