KR19990082164A - 상부 덮개를 갖는 핵연료 어셈블리 - Google Patents
상부 덮개를 갖는 핵연료 어셈블리 Download PDFInfo
- Publication number
- KR19990082164A KR19990082164A KR1019980705889A KR19980705889A KR19990082164A KR 19990082164 A KR19990082164 A KR 19990082164A KR 1019980705889 A KR1019980705889 A KR 1019980705889A KR 19980705889 A KR19980705889 A KR 19980705889A KR 19990082164 A KR19990082164 A KR 19990082164A
- Authority
- KR
- South Korea
- Prior art keywords
- adapter plate
- fuel assembly
- upper nozzle
- guide tube
- holes
- Prior art date
Links
- 239000003758 nuclear fuel Substances 0.000 title claims description 13
- 239000000446 fuel Substances 0.000 claims abstract description 59
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 10
- 125000006850 spacer group Chemical group 0.000 claims description 7
- 239000002826 coolant Substances 0.000 description 9
- 230000035699 permeability Effects 0.000 description 8
- 238000009826 distribution Methods 0.000 description 7
- 230000000712 assembly Effects 0.000 description 5
- 238000000429 assembly Methods 0.000 description 5
- 239000000498 cooling water Substances 0.000 description 4
- 210000003041 ligament Anatomy 0.000 description 3
- 238000002485 combustion reaction Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000005553 drilling Methods 0.000 description 2
- 238000001816 cooling Methods 0.000 description 1
- 238000002788 crimping Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000009827 uniform distribution Methods 0.000 description 1
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
-
- 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
- G21C3/02—Fuel elements
- G21C3/04—Constructional details
- G21C3/06—Casings; Jackets
- G21C3/14—Means forming part of the element for inserting it into, or removing it from, the core; Means for coupling adjacent elements, e.g. to form a stringer
-
- 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
-
- 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)
- Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)
Abstract
Description
Claims (6)
- 다발의 길이에 분포되며 봉(2)이 통과하도록 셀을 규정하는 스페이서 그리드 어댑터(3, 3a, 3b)로 구성된 구조에 의하여 유지된 한 다발의 연료봉(2)과, 이 다발 내부에 일부 연료봉(2) 대신에 대체되며 이 봉들보다 더 긴 안내관(4)과, 안내관(4)의 한 쪽 단부에 고정된 바닥 노즐(5)과, 안내관(4)의 다른 쪽 단부에 고정되며 안내관(4)을 고정하는 구멍(8)과 유수구(9)에 의하여 관통된 트랜스버스 어댑터 플레이트(6a)를 구비한 상부 노즐(6)을 포함하는 핵연료 어셈블리에 있어서,어댑터 플레이트(6a)의 중앙에 배치된 상부 노즐(6)의 어댑터 플레이트(6a)에 있는 유수구(9a)는 라운드 처리된 코너를 갖는 삼각형 형상을 가지며 안내관(4)을 고정하는 적어도 몇 개의 구멍(8)들 주위에 규칙적으로 분포되는 것을 특징으로 하는 핵연료 어셈블리.
- 제 1 항에 있어서, 어댑터 플레이트(6a)의 주위에 배치된 유수구(9b, 9c)는 직사각형 형상을 가지며 두 가지 상이한 길이를 갖는 것을 특징으로 하는 핵연료 어셈블리.
- 제 1 항 또는 제 2 항에 있어서, 유수구(9)는 정사각형인 상부 노즐(6)의 어댑터 플레이트(6a)의 코너에 인접하여 배치된 원형 구멍(9d, 9e)을 추가로 포함하는 것을 특징으로 하는 핵연료 어셈블리.
- 고정용 구멍(8)이 상부 노즐(6)의 어댑터 플레이트(6a)의 단면적을 통과하여 분포되어 있는 24개의 안내관(4)과 중앙에 놓인 하나의 계측관을 포함하는 제 1 항 내지 제 3 항 중 어느 한 항에 따른 핵연료 어셈블리에 있어서,라운드 처리된 코너를 갖는 삼각형 형상의 유수구(9a)는 어댑터 플레이트(6a)의 중앙에 위치한 8개의 안내관 고정 구멍(8) 주위에 그리고 중앙에 놓인 계측관 주위에 규칙적으로 배치된 것을 특징으로 하는 핵연료 어셈블리.
- 제 4 항에 있어서, 상부 노즐(6)의 어댑터 플레이트(6a)의 중앙에 위치한 안내관용 고정 구멍(8)의 각 주위에 그리고 중앙에 놓인 계측관 주위에, 라운드 처리된 코너를 갖는 삼각형 형상의 8개의 유수구(9a)가 배치되며 그리고 규칙적으로 분포되어 있는 것을 특징으로 하는 핵연료 어셈블리.
- 제 1 항 내지 제 5 항 중 어느 한 항에 있어서, 상부 노즐(6)의 어댑터 플레이트(6a)의 두께는 종래 형태의 연료 어셈블리의 상부 노즐의 어댑터 플레이트(6'a)의 두께에 비하여 감소된 것을 특징으로 하는 핵연료 어셈블리.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR96/01307 | 1996-02-02 | ||
FR9601307A FR2744556B1 (fr) | 1996-02-02 | 1996-02-02 | Assemblage de combustible nucleaire comportant un embout superieur ameliore |
Publications (2)
Publication Number | Publication Date |
---|---|
KR19990082164A true KR19990082164A (ko) | 1999-11-25 |
KR100451271B1 KR100451271B1 (ko) | 2005-04-06 |
Family
ID=9488793
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR10-1998-0705889A Expired - Fee Related KR100451271B1 (ko) | 1996-02-02 | 1997-02-03 | 상부덮개를갖는핵연료어셈블리 |
Country Status (9)
Country | Link |
---|---|
US (1) | US6049581A (ko) |
EP (1) | EP0878009B1 (ko) |
JP (1) | JP3859016B2 (ko) |
KR (1) | KR100451271B1 (ko) |
CN (1) | CN1125470C (ko) |
DE (1) | DE69702700T2 (ko) |
ES (1) | ES2148932T3 (ko) |
FR (1) | FR2744556B1 (ko) |
WO (1) | WO1997028534A1 (ko) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100784008B1 (ko) * | 2005-04-08 | 2007-12-07 | 웨스팅하우스 일렉트릭 컴퍼니 엘엘씨 | 핵연료 집합체 낮은 압력 강하 상부 노즐 |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4625212B2 (ja) * | 2001-09-26 | 2011-02-02 | 三菱重工業株式会社 | Pwr原子炉用燃料集合体 |
US6738447B1 (en) * | 2003-05-22 | 2004-05-18 | Westinghouse Electric Company Llc | High energy absorption top nozzle for a nuclear fuel assembly |
JP2007218802A (ja) * | 2006-02-17 | 2007-08-30 | Mitsubishi Heavy Ind Ltd | Pwr原子炉用燃料集合体 |
US20130044850A1 (en) | 2011-08-19 | 2013-02-21 | Lewis A. Walton | Nuclear reactor refueling methods and apparatuses |
KR101366679B1 (ko) | 2012-06-15 | 2014-02-25 | 한전원자력연료 주식회사 | 압력강하를 개선하기 위한 핵연료집합체용 상단고정체 |
CN102750991B (zh) * | 2012-07-19 | 2016-06-01 | 中国核动力研究设计院 | 一种带滤板的核燃料组件下管座及其滤板加工工艺 |
CN102867547B (zh) * | 2012-09-18 | 2016-06-08 | 中广核研究院有限公司 | 轻水反应堆核燃料组件的下管座及底部装置 |
US20140241486A1 (en) * | 2013-02-26 | 2014-08-28 | Babcock & Wilcox Mpower, Inc. | Fuel assembly |
CN103247353A (zh) * | 2013-04-24 | 2013-08-14 | 中国核动力研究设计院 | 反应堆燃料组件上管座 |
CN103247352A (zh) * | 2013-04-24 | 2013-08-14 | 中国核动力研究设计院 | 燃料组件上管座 |
KR101711365B1 (ko) | 2015-05-11 | 2017-03-03 | 주식회사 신화콘텍 | 마이크로 유에스비 커넥터 플러그 |
CN113223737B (zh) * | 2021-04-01 | 2024-06-18 | 上海核工程研究设计院股份有限公司 | 一种低压降压水堆燃料组件上管座 |
Family Cites Families (20)
Publication number | Priority date | Publication date | Assignee | Title |
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US3407115A (en) * | 1965-11-24 | 1968-10-22 | Babcock & Wilcox Co | Fuel element-control rod assembly |
US3349004A (en) * | 1966-01-17 | 1967-10-24 | Gen Electric | Nuclear reactor fuel bundle |
US3801453A (en) * | 1972-02-11 | 1974-04-02 | Transfer Systems | Fuel assembly for power generating nuclear reactor |
US3929570A (en) * | 1974-01-14 | 1975-12-30 | Transfer Systems | Failed fuel detection for PWR |
FR2368785A1 (fr) * | 1976-10-20 | 1978-05-19 | Framatome Sa | Assemblage combustible aisement demontable pour reacteur nucleaire |
FR2491668B1 (fr) * | 1980-10-08 | 1985-10-11 | Framatome Sa | Assemblage combustible de reacteur nucleaire |
US4427624A (en) * | 1981-03-02 | 1984-01-24 | Westinghouse Electric Corp. | Composite nozzle design for reactor fuel assembly |
US4615862A (en) * | 1983-12-21 | 1986-10-07 | Westinghouse Electric Corp. | Nuclear reactor with fuel assembly support means |
US4655995A (en) * | 1984-05-11 | 1987-04-07 | Westinghouse Electric Corp. | Reversible BWR fuel assembly and method of using same |
US4828791A (en) * | 1987-10-05 | 1989-05-09 | Westinghouse Electric Corp. | Nuclear fuel assembly debris resistant bottom nozzle |
US4832905A (en) * | 1988-04-15 | 1989-05-23 | Combustion Engineering, Inc. | Lower end fitting debris collector |
FR2646004B1 (fr) * | 1989-04-12 | 1993-12-24 | Framatome | Plaque de filtration associee a un embout inferieur d'un assemblage combustible d'un reacteur nucleaire |
US4986959A (en) * | 1989-05-17 | 1991-01-22 | Westinghouse Electric Corp. | Nuclear fuel assembly with expandable top nozzle subassembly |
US5037605A (en) * | 1989-10-13 | 1991-08-06 | B&W Fuel Company | Nuclear fuel assembly debris filter |
FR2664733B1 (fr) * | 1990-07-11 | 1992-11-06 | Framatome Sa | Embout inferieur d'un assemblage combustible pour reacteur nucleaire comportant une plaque adaptatrice et une plaque de filtration accolee a la plaque adaptatrice. |
US5133926A (en) * | 1991-04-18 | 1992-07-28 | Westinghouse Electric Corp. | Extended burnup top nozzle for a nuclear fuel assembly |
US5200142A (en) * | 1991-04-18 | 1993-04-06 | Westinghouse Electric Corp. | Nuclear fuel assembly top nozzle with improved peripheral hold-down assembly |
FR2682213B1 (fr) * | 1991-10-04 | 1994-01-07 | Framatome | Embout inferieur d'un assemblage combustible pour reacteur nucleaire refroidi a l'eau. |
US5363423A (en) * | 1993-08-19 | 1994-11-08 | Westinghouse Electric Corporation | Quick release top nozzle assembly |
US5361287A (en) * | 1994-03-29 | 1994-11-01 | B&W Fuel Company | Nuclear fuel assembly lower end fitting |
-
1996
- 1996-02-02 FR FR9601307A patent/FR2744556B1/fr not_active Expired - Fee Related
-
1997
- 1997-02-03 EP EP97904479A patent/EP0878009B1/fr not_active Expired - Lifetime
- 1997-02-03 KR KR10-1998-0705889A patent/KR100451271B1/ko not_active Expired - Fee Related
- 1997-02-03 JP JP52737897A patent/JP3859016B2/ja not_active Expired - Fee Related
- 1997-02-03 DE DE69702700T patent/DE69702700T2/de not_active Expired - Lifetime
- 1997-02-03 WO PCT/FR1997/000212 patent/WO1997028534A1/fr active IP Right Grant
- 1997-02-03 CN CN97191998A patent/CN1125470C/zh not_active Expired - Lifetime
- 1997-02-03 ES ES97904479T patent/ES2148932T3/es not_active Expired - Lifetime
-
1998
- 1998-02-03 US US09/101,898 patent/US6049581A/en not_active Expired - Lifetime
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100784008B1 (ko) * | 2005-04-08 | 2007-12-07 | 웨스팅하우스 일렉트릭 컴퍼니 엘엘씨 | 핵연료 집합체 낮은 압력 강하 상부 노즐 |
Also Published As
Publication number | Publication date |
---|---|
DE69702700D1 (de) | 2000-09-07 |
JP3859016B2 (ja) | 2006-12-20 |
FR2744556B1 (fr) | 1998-04-24 |
WO1997028534A1 (fr) | 1997-08-07 |
KR100451271B1 (ko) | 2005-04-06 |
DE69702700T2 (de) | 2001-03-29 |
FR2744556A1 (fr) | 1997-08-08 |
CN1210611A (zh) | 1999-03-10 |
EP0878009A1 (fr) | 1998-11-18 |
EP0878009B1 (fr) | 2000-08-02 |
ES2148932T3 (es) | 2000-10-16 |
US6049581A (en) | 2000-04-11 |
JP2000504108A (ja) | 2000-04-04 |
CN1125470C (zh) | 2003-10-22 |
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