FR2994319B1 - Grille d'espacement pour ensemble combustible nucleaire pour reduire les vibrations induites par l'ecoulement. - Google Patents

Grille d'espacement pour ensemble combustible nucleaire pour reduire les vibrations induites par l'ecoulement. Download PDF

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Publication number
FR2994319B1
FR2994319B1 FR1354983A FR1354983A FR2994319B1 FR 2994319 B1 FR2994319 B1 FR 2994319B1 FR 1354983 A FR1354983 A FR 1354983A FR 1354983 A FR1354983 A FR 1354983A FR 2994319 B1 FR2994319 B1 FR 2994319B1
Authority
FR
France
Prior art keywords
flow
reducing vibration
vibration induced
spacing grid
combustible assembly
Prior art date
Legal status (The legal status 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 status listed.)
Active
Application number
FR1354983A
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English (en)
Other versions
FR2994319A1 (fr
Inventor
Joo Young RYU
Jung Min Suh
Sang Youn JEON
Kyong Bo Eom
Joon Kyoo Park
Dong Geun Ha
Jin Sun Kim
Seong Soo Kim
Oh Joon Kwon
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Kepco Nuclear Fuel Co Ltd
Original Assignee
Kepco Nuclear Fuel Co Ltd
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 Kepco Nuclear Fuel Co Ltd filed Critical Kepco Nuclear Fuel Co Ltd
Publication of FR2994319A1 publication Critical patent/FR2994319A1/fr
Application granted granted Critical
Publication of FR2994319B1 publication Critical patent/FR2994319B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • G21C3/356—Spacer grids being provided with fuel element supporting members
    • 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
    • G21C3/322—Means to influence the coolant flow through or around the bundles
    • 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
    • G21C3/33—Supporting or hanging of elements in the bundle; Means forming part of the bundle for inserting it into, or removing it from, the core; Means for coupling adjacent bundles
    • 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
    • G21C3/3563—Supporting members formed only by deformations in the strips
    • 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
    • G21C3/3432—Grids designed to influence the coolant, i.e. coolant mixing function
    • 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)
  • Filtering Materials (AREA)
  • Combined Means For Separation Of Solids (AREA)
  • Structure Of Emergency Protection For Nuclear Reactors (AREA)
  • Monitoring And Testing Of Nuclear Reactors (AREA)
FR1354983A 2012-08-06 2013-05-31 Grille d'espacement pour ensemble combustible nucleaire pour reduire les vibrations induites par l'ecoulement. Active FR2994319B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR20120085973 2012-08-06
KR1020120085973A KR20140019924A (ko) 2012-08-06 2012-08-06 유체유발 진동을 저감하기 위한 핵연료 집합체의 지지격자

Publications (2)

Publication Number Publication Date
FR2994319A1 FR2994319A1 (fr) 2014-02-07
FR2994319B1 true FR2994319B1 (fr) 2018-01-05

Family

ID=49779975

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1354983A Active FR2994319B1 (fr) 2012-08-06 2013-05-31 Grille d'espacement pour ensemble combustible nucleaire pour reduire les vibrations induites par l'ecoulement.

Country Status (4)

Country Link
US (1) US9171647B2 (fr)
KR (1) KR20140019924A (fr)
CN (1) CN103578577A (fr)
FR (1) FR2994319B1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20150357053A1 (en) * 2014-06-10 2015-12-10 Westinghouse Electric Company Llc Crush resistant nuclear fuel assembly support grid
CN111613351B (zh) * 2020-06-04 2022-05-20 中国核动力研究设计院 一种抗应力疲劳的压水堆燃料组件单金属定位栅格

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* Cited by examiner, † Cited by third party
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US3715275A (en) * 1970-03-02 1973-02-06 Combustion Eng Bimetallic spacer grid arrangement
US4081324A (en) * 1976-06-17 1978-03-28 Exxon Nuclear Company Inc. Spacer capture rod to spacer grid attachment device
US4265708A (en) * 1978-12-26 1981-05-05 Combustion Engineering, Inc. Radially channeled guide post for a nuclear fuel assembly
US4585615A (en) * 1983-03-09 1986-04-29 Westinghouse Electric Corp. Nuclear fuel spacer grid with improved grid straps
US4879090A (en) * 1987-08-24 1989-11-07 Combustion Engineering, Inc. Split vaned nuclear fuel assembly grid
JPH067190B2 (ja) * 1988-03-24 1994-01-26 三菱原子燃料株式会社 支持格子
JPH02221898A (ja) * 1989-02-21 1990-09-04 Mitsubishi Nuclear Fuel Co Ltd 燃料集合体の組立方法及び燃料集合体の支持格子
JPH07107558B2 (ja) * 1989-02-21 1995-11-15 三菱原子燃料株式会社 燃料集合体の組立方法及び燃料集合体の支持格子
US5158162A (en) * 1989-09-15 1992-10-27 Westinghouse Electric Corp. Tube vibration dampener and stiffener apparatus and method
JP2520181B2 (ja) * 1990-03-15 1996-07-31 株式会社日立製作所 燃料集合体及び原子炉の炉心並びに下部タイプレ―ト
US5139736A (en) * 1991-04-03 1992-08-18 Combustion Engineering, Inc. Fuel assembly support grid
US5307392A (en) * 1992-06-29 1994-04-26 Combustion Engineering, Inc. Energy dissipating outer strip for grid
JPH0627275A (ja) * 1992-07-10 1994-02-04 Mitsubishi Nuclear Fuel Co Ltd 燃料集合体の支持格子
JPH1058185A (ja) * 1996-08-19 1998-03-03 Mitsubishi Nuclear Fuel Co Ltd ニッケル合金ろう材およびこれを用いたグリッドの製造方法ならびにグリッド
FR2766003B1 (fr) 1997-07-11 1999-12-03 Framatome Sa Grille pour assemblage combustible nucleaire et plaquette pour une telle grille
KR100330354B1 (ko) * 1999-06-11 2002-04-01 장인순 핵연료집합체의 바가지형 혼합날개 지지격자체
JP4630811B2 (ja) * 2005-12-27 2011-02-09 財団法人電力中央研究所 核燃料集合体
KR20070102001A (ko) * 2006-04-13 2007-10-18 한국원자력연구원 연료봉과 등각 접촉면적을 증가시키는 지지격자 스프링
KR100907634B1 (ko) * 2006-12-27 2009-07-14 한전원자력연료 주식회사 비대칭형 딤플을 갖는 이물질 여과용 지지격자
KR100907635B1 (ko) 2006-12-27 2009-07-14 한전원자력연료 주식회사 Ｍ형 딤플을 갖는 이물질 여과용 지지격자
KR100932436B1 (ko) * 2007-08-27 2009-12-17 한전원자력연료 주식회사 연료봉 프레팅 마모방지를 위한 카누 모양의 스프링을 가진지지격자
KR100898114B1 (ko) * 2007-08-27 2009-05-18 한전원자력연료 주식회사 유로구멍에 삽입되는 돌출형 이물질여과용 지지격자
KR100918486B1 (ko) 2007-08-27 2009-09-24 한전원자력연료 주식회사 원통모양의 딤플을 갖는 이물질여과용 지지격자
FR2920856B1 (fr) 2007-09-10 2009-11-06 Technip France Sa Procede de realisation d'un raccord de conduite
KR100996956B1 (ko) * 2008-11-25 2010-11-29 한국수력원자력 주식회사 분할 핵연료봉용 상하부 중간 봉단마개 및 이를 구비한 분할 핵연료봉
KR100982299B1 (ko) * 2008-12-26 2010-09-15 한전원자력연료 주식회사 핵연료 집합체의 댐퍼 탑재형 지지격자
KR100982302B1 (ko) 2008-12-26 2010-09-15 한전원자력연료 주식회사 연료봉 들림 방지 미늘을 가진 이물질여과용 하부지지격자
US9053827B2 (en) * 2009-03-27 2015-06-09 Westinghouse Electric Company Llc Nuclear fuel assembly with pivot dimpled grids
KR100927133B1 (ko) 2009-04-23 2009-11-18 한전원자력연료 주식회사 원통모양의 딤플을 갖는 이물질여과용 지지격자
US8238511B2 (en) * 2009-06-09 2012-08-07 Westinghouse Electric Company Llc Nuclear fuel assembly protective bottom grid
US8369475B2 (en) * 2009-07-01 2013-02-05 Westinghouse Electric Company Llc Nuclear fuel assembly support grid

Also Published As

Publication number Publication date
US20140037040A1 (en) 2014-02-06
KR20140019924A (ko) 2014-02-18
FR2994319A1 (fr) 2014-02-07
CN103578577A (zh) 2014-02-12
US9171647B2 (en) 2015-10-27

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