IT8124395A0 - Sistema di distanziamento in assiemi di combustibile nucleare. - Google Patents

Sistema di distanziamento in assiemi di combustibile nucleare.

Info

Publication number
IT8124395A0
IT8124395A0 IT8124395A IT2439581A IT8124395A0 IT 8124395 A0 IT8124395 A0 IT 8124395A0 IT 8124395 A IT8124395 A IT 8124395A IT 2439581 A IT2439581 A IT 2439581A IT 8124395 A0 IT8124395 A0 IT 8124395A0
Authority
IT
Italy
Prior art keywords
nuclear fuel
fuel assemblies
spacing system
spacing
assemblies
Prior art date
Application number
IT8124395A
Other languages
English (en)
Other versions
IT1139642B (it
Inventor
Richard Arthur Wolters Jr
Tommy Chung Lee
Bruce Matzner
Original Assignee
Gen Electric
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 Gen Electric filed Critical Gen Electric
Publication of IT8124395A0 publication Critical patent/IT8124395A0/it
Application granted granted Critical
Publication of IT1139642B publication Critical patent/IT1139642B/it

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
    • 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
    • G21C3/356—Spacer grids being provided with fuel element supporting members
    • G21C3/3566—Supporting members formed only of elements fixed on the 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)
  • Structure Of Emergency Protection For Nuclear Reactors (AREA)
  • Monitoring And Testing Of Nuclear Reactors (AREA)
IT24395/81A 1980-10-10 1981-10-08 Sistema di distanziamento in assiemi di combustibile nucleare IT1139642B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/195,877 US4357298A (en) 1980-10-10 1980-10-10 Nuclear fuel assembly space arrangement

Publications (2)

Publication Number Publication Date
IT8124395A0 true IT8124395A0 (it) 1981-10-08
IT1139642B IT1139642B (it) 1986-09-24

Family

ID=22723189

Family Applications (1)

Application Number Title Priority Date Filing Date
IT24395/81A IT1139642B (it) 1980-10-10 1981-10-08 Sistema di distanziamento in assiemi di combustibile nucleare

Country Status (8)

Country Link
US (1) US4357298A (it)
JP (1) JPS5793287A (it)
KR (1) KR830008331A (it)
BE (1) BE890688A (it)
DE (1) DE3139823C2 (it)
ES (1) ES8500498A1 (it)
IT (1) IT1139642B (it)
SE (1) SE443893B (it)

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4666657A (en) * 1984-06-22 1987-05-19 Westinghouse Electric Corp. Remotely adjustable intermediate seismic support
EP0210526B1 (de) * 1985-07-24 1989-05-24 Siemens Aktiengesellschaft Kernreaktorbrennelement
US4744942A (en) * 1986-06-11 1988-05-17 Westinghouse Electric Corp. Nuclear reactor spacer grid loading
US4873051A (en) * 1988-04-06 1989-10-10 Westinghouse Electric Corp. Nuclear fuel grid outer strap
US5002724A (en) * 1989-08-28 1991-03-26 General Electric Company Upper tie plate for boiling water nuclear reactor
US5164155A (en) * 1991-05-06 1992-11-17 General Electric Company Fuel bundle with short and intermediate part length rods minimized for flow induced vibration risk and rod bow
US5229068A (en) * 1991-05-17 1993-07-20 General Electric Company Optimized critical power in a fuel bundle with part length rods
DE59106739D1 (de) * 1991-08-05 1995-11-23 Siemens Ag Abstandhalter für Brennelemente mit gekrümmten, aufgesetzten Federn.
US5307393A (en) * 1992-06-29 1994-04-26 Combustion Engineering, Inc. Split vane alternating swirl mixing grid
US5361288A (en) * 1993-08-16 1994-11-01 General Electric Company Spacer with integral zircaloy springs
US5488644A (en) * 1994-07-13 1996-01-30 General Electric Company Spring assemblies for adjoining nuclear fuel rod containing ferrules and a spacer formed of the spring assemblies and ferrules
US5490191A (en) * 1994-09-29 1996-02-06 Siemens Power Corporation BWR nuclear fuel assembly
US5519747A (en) * 1994-10-04 1996-05-21 General Electric Company Apparatus and methods for fabricating spacers for a nuclear fuel rod bundle
US5546437A (en) * 1995-01-11 1996-08-13 General Electric Company Spacer for nuclear fuel rods
US5608768A (en) 1995-01-17 1997-03-04 General Electric Company Threaded fuel rod end plugs and related method
US5566217A (en) * 1995-01-30 1996-10-15 General Electric Company Reduced height spacer for nuclear fuel rods
US5675621A (en) * 1995-08-17 1997-10-07 General Electric Company Reduced height flat spring spacer for nuclear fuel rods
US20050220261A1 (en) * 2002-02-08 2005-10-06 Framatome Anp Gmbh Fuel assembly for a boiling water reactor
DE10205202A1 (de) * 2002-02-08 2003-08-28 Framatome Anp Gmbh Brennelement für einen Siedewasserreaktor
US7085340B2 (en) * 2003-09-05 2006-08-01 Westinghouse Electric Co, Llc Nuclear reactor fuel assemblies
DE102006007591A1 (de) * 2006-02-18 2007-08-30 Areva Np Gmbh Brennelement für einen Druckwasserkernreaktor
US8509377B2 (en) * 2009-10-02 2013-08-13 Global Nuclear Fuel—Americas, LLC Fuel bundle designs using mixed spacer types
US9620250B2 (en) * 2012-02-02 2017-04-11 Bwxt Nuclear Energy, Inc. Spacer grid
US11848112B2 (en) 2020-02-14 2023-12-19 BWXT Advanced Technologies LLC Reactor design with controlled thermal neutron flux for enhanced neutron activation potential

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3654077A (en) * 1967-06-26 1972-04-04 Gen Electric Nuclear reactor fuel element spacer
BE789401A (fr) * 1971-09-30 1973-01-15 Gen Electric Assemblage de barres de combustible pour reacteurs nucleaires
SE409258B (sv) * 1977-12-21 1979-08-06 Asea Atom Ab Spridare foer ett flertal i en kaernreaktor vertikalt anordnade braenslestavar
US4059483A (en) * 1975-12-05 1977-11-22 Combustion Engineering, Inc. Nuclear fuel assembly seismic amplitude limiter
JPS52147388A (en) * 1976-06-03 1977-12-07 Nippon Kokan Kk <Nkk> Underwater cutter for steel-tube sheet pile
US4190495A (en) * 1976-09-27 1980-02-26 Research Corporation Modified microorganisms and method of preparing and using same

Also Published As

Publication number Publication date
DE3139823C2 (de) 1986-05-15
DE3139823A1 (de) 1982-05-27
IT1139642B (it) 1986-09-24
JPS5793287A (en) 1982-06-10
SE443893B (sv) 1986-03-10
US4357298A (en) 1982-11-02
BE890688A (fr) 1982-04-09
KR830008331A (ko) 1983-11-18
ES506178A0 (es) 1984-10-01
SE8105967L (sv) 1982-04-11
ES8500498A1 (es) 1984-10-01

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Legal Events

Date Code Title Description
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19931027