KR101017318B1 - 수력적 균형을 이루는 혼합날개 패턴을 가진 지지격자 - Google Patents
수력적 균형을 이루는 혼합날개 패턴을 가진 지지격자 Download PDFInfo
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- KR101017318B1 KR101017318B1 KR1020080134519A KR20080134519A KR101017318B1 KR 101017318 B1 KR101017318 B1 KR 101017318B1 KR 1020080134519 A KR1020080134519 A KR 1020080134519A KR 20080134519 A KR20080134519 A KR 20080134519A KR 101017318 B1 KR101017318 B1 KR 101017318B1
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- Prior art keywords
- mixing
- support grid
- grid
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- 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
- G21C3/352—Spacer grids formed of assembled intersecting strips
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- 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
- G21C3/34—Spacer grids
- G21C3/356—Spacer grids being provided with fuel element supporting members
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- 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
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- 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)
- Structure Of Emergency Protection For Nuclear Reactors (AREA)
Abstract
Description
Claims (3)
- 삭제
- 다수의 단위 격자셀을 구획하는 스트립;상기 스트립의 격자면에 종횡 각각 일정한 방향으로 돌출되며, 일정한 탄성을 가지고 핵연료봉을 지지하는 다수의 스프링을 구비한 지지격자에 있어서,지지격자의 내부 격자면 상부 끝단에서 냉각수 흐름의 하류 방향으로 돌출된 형태의 다수의 혼합날개를 구비하되, 상기 혼합날개의 패턴은상기 지지격자의 평면도 상에 있어, 상기 지지격자의 중심을 지나며, 서로 수직을 이루는 종방향 및 횡방향의 두 기준선을 기준으로 영역을 구분(4분면으로 구분)하여 각각의 영역내에 구비된 복수의 격자셀의 혼합날개는 모두 동일한 패턴을 형성하되,종방향 기준선(20)의 좌영역 격자셀의 혼합날개와 우영역의 격자셀의 혼합날개는 서로 대칭 형태로 구성되며, 횡방향 기준선(10)의 상영역 격자셀의 혼합날개와 하영역 격자셀의 혼합날개는 서로 대칭 형태로 구성되는 것을 특징으로 하는 수력적 균형을 이루는 혼합날개 패턴을 가진 지지격자.
- 제2항에 있어서,상기 종방향 기준선(20)의 혼합날개는 종방향 기준선(20)의 좌영역 격자셀의 혼합날개와 동일한 패턴으로 형성되고,상기 횡방향 기준선(10)의 혼합날개는 횡방향 기준선(10)의 하영역 격자셀의 혼합날개와 동일한 패턴으로 형성되는 것을 특징으로 하는 수력적 균형을 이루는 혼합날개 패턴을 가진 지지격자.
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020080134519A KR101017318B1 (ko) | 2008-12-26 | 2008-12-26 | 수력적 균형을 이루는 혼합날개 패턴을 가진 지지격자 |
US12/434,985 US8335293B1 (en) | 2008-12-26 | 2009-05-04 | Nuclear fuel grid assembly with hydraulically balanced mixing vane pattern |
CN2009101423587A CN101770821B (zh) | 2008-12-26 | 2009-06-01 | 具有实现水力平衡的混合叶片布局的支撑栅格 |
FR0902676A FR2940713B1 (fr) | 2008-12-26 | 2009-06-03 | Ensemble de grille de combustible nucleaire a configuration d'ailettes de melange a equilibrage hydraulique |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020080134519A KR101017318B1 (ko) | 2008-12-26 | 2008-12-26 | 수력적 균형을 이루는 혼합날개 패턴을 가진 지지격자 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20100076464A KR20100076464A (ko) | 2010-07-06 |
KR101017318B1 true KR101017318B1 (ko) | 2011-02-28 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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KR1020080134519A KR101017318B1 (ko) | 2008-12-26 | 2008-12-26 | 수력적 균형을 이루는 혼합날개 패턴을 가진 지지격자 |
Country Status (4)
Country | Link |
---|---|
US (1) | US8335293B1 (ko) |
KR (1) | KR101017318B1 (ko) |
CN (1) | CN101770821B (ko) |
FR (1) | FR2940713B1 (ko) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101442088B1 (ko) * | 2012-08-06 | 2014-09-19 | 한전원자력연료 주식회사 | 고주파진동 감소를 위한 핵연료 집합체의 지지격자 |
CN103187107B (zh) * | 2013-01-14 | 2016-01-27 | 上海核工程研究设计院 | 一种具有增强型混合叶片的核燃料组件栅格 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100330354B1 (ko) * | 1999-06-11 | 2002-04-01 | 장인순 | 핵연료집합체의 바가지형 혼합날개 지지격자체 |
JP2003075574A (ja) * | 2001-08-10 | 2003-03-12 | Korea Atom Energ Res Inst | 複合流動混合装置を備えた核燃料集合体支持格子 |
KR100415149B1 (ko) * | 2001-03-21 | 2004-01-14 | 한국전력공사 | 핵연료 집합체의 이중판 냉각재 혼합 지지격자체 |
KR100423737B1 (ko) * | 2001-08-07 | 2004-03-22 | 한국수력원자력 주식회사 | 이중편향날개를 가진 핵연료집합체 지지격자 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3121972B2 (ja) * | 1993-12-03 | 2001-01-09 | 三菱原子燃料株式会社 | 核燃料集合体 |
FR2736190B1 (fr) * | 1995-06-29 | 1997-10-10 | Framatome Sa | Grille-entretoise d'un assemblage de combustible pour un reacteur nucleaire et assemblage de combustible |
US6526116B1 (en) * | 1997-07-02 | 2003-02-25 | Westinghouse Electric Company Llc | Nuclear fuel assembly with hydraulically balanced mixing vanes |
US6144716A (en) * | 1997-07-02 | 2000-11-07 | Westinghouse Electric Corp. | Nuclear fuel assembly grid with diagonal fuel retaining springs |
US6606369B1 (en) * | 2002-03-06 | 2003-08-12 | Westinghouse Electric Company Llc | Nuclear reactor with improved grid |
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2008
- 2008-12-26 KR KR1020080134519A patent/KR101017318B1/ko active IP Right Grant
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2009
- 2009-05-04 US US12/434,985 patent/US8335293B1/en active Active
- 2009-06-01 CN CN2009101423587A patent/CN101770821B/zh active Active
- 2009-06-03 FR FR0902676A patent/FR2940713B1/fr active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100330354B1 (ko) * | 1999-06-11 | 2002-04-01 | 장인순 | 핵연료집합체의 바가지형 혼합날개 지지격자체 |
KR100415149B1 (ko) * | 2001-03-21 | 2004-01-14 | 한국전력공사 | 핵연료 집합체의 이중판 냉각재 혼합 지지격자체 |
KR100423737B1 (ko) * | 2001-08-07 | 2004-03-22 | 한국수력원자력 주식회사 | 이중편향날개를 가진 핵연료집합체 지지격자 |
JP2003075574A (ja) * | 2001-08-10 | 2003-03-12 | Korea Atom Energ Res Inst | 複合流動混合装置を備えた核燃料集合体支持格子 |
Also Published As
Publication number | Publication date |
---|---|
US8335293B1 (en) | 2012-12-18 |
FR2940713A1 (fr) | 2010-07-02 |
FR2940713B1 (fr) | 2017-11-24 |
CN101770821B (zh) | 2013-05-01 |
KR20100076464A (ko) | 2010-07-06 |
CN101770821A (zh) | 2010-07-07 |
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