KR20090022448A - 증기발생기 2차측 잔류물질 영향평가 방법 - Google Patents
증기발생기 2차측 잔류물질 영향평가 방법 Download PDFInfo
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- KR20090022448A KR20090022448A KR1020070087804A KR20070087804A KR20090022448A KR 20090022448 A KR20090022448 A KR 20090022448A KR 1020070087804 A KR1020070087804 A KR 1020070087804A KR 20070087804 A KR20070087804 A KR 20070087804A KR 20090022448 A KR20090022448 A KR 20090022448A
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- residual material
- steam generator
- impact
- heat
- tube
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- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21C—NUCLEAR REACTORS
- G21C17/00—Monitoring; Testing ; Maintaining
- G21C17/017—Inspection or maintenance of pipe-lines or tubes in nuclear installations
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
- F22B37/00—Component parts or details of steam boilers
- F22B37/002—Component parts or details of steam boilers specially adapted for nuclear steam generators, e.g. maintenance, repairing or inspecting equipment not otherwise provided for
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/26—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating electrochemical variables; by using electrolysis or electrophoresis
- G01N27/28—Electrolytic cell components
- G01N27/30—Electrodes, e.g. test electrodes; Half-cells
- G01N27/327—Biochemical electrodes, e.g. electrical or mechanical details for in vitro measurements
- G01N27/3275—Sensing specific biomolecules, e.g. nucleic acid strands, based on an electrode surface reaction
- G01N27/3277—Sensing specific biomolecules, e.g. nucleic acid strands, based on an electrode surface reaction being a redox reaction, e.g. detection by cyclic voltammetry
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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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- High Energy & Nuclear Physics (AREA)
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- General Engineering & Computer Science (AREA)
- General Health & Medical Sciences (AREA)
- Biochemistry (AREA)
- Analytical Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Electrochemistry (AREA)
- Plasma & Fusion (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- Monitoring And Testing Of Nuclear Reactors (AREA)
Abstract
Description
Claims (5)
- 와전류검사 또는 육안검사로 잔류물질의 위치와 크기에 대한 정보를 얻는 단계;상기 정보를 ATHOS3 전산프로그램에 입력하여 전열관의 충격해석과 마모해석을 수행하는 단계; 및이후 발전소에서 상기 충격해석과 마모해석의 결과를 이용하여 다음 핵연료 주기말까지 건전성이 유지되지 않은 전열관을 보수한 후 계속 운전하면 증기발생기 2차측에 유입된 잔류물질에 의한 전열관의 건전성을 빠르고 정확하게 수행하는 단계;가 포함됨을 특징으로 하는 증기발생기 2차측 잔류물질 영향평가 방법.
- 제 1 청구항에 있어서,상기 전열관의 충격해석을 수행하는 단계는,잔류물질정보와 열수력 데이터베이스를 등가힘으로 계산을 수행하는 단계;상기 등가힘 계산에 의해 최대응력계산을 수행하는 단계;상기 최대응력계산에 의해 σmax〈 Sm 와 같은 식을 얻고, 그 결과 상기 식이 맞으면 계속 운전하고, 상기 식이 틀리면 전열관을 보수하는 단계;가 포함됨을 특징으로 하는 증기발생기 2차측 잔류물질 영향평가 방법.
- 제 1 청구항에 있어서,상기 ATHOS3 전산프로그램에 입력하는 과정은,ATHOS3 열유동해석 결과(격자계, 밀도, 유속)를 얻는 단계;증기발생기 튜브 밴들(bundle)의 최외곽 반경 R 을 결정하는 단계;TS 상부평면 R 내부에 직교 구획 존(zone)을 설정하고 존 번호를 지정하는 단계;각 평면 구획에서 존의 중심 위치를 계산하는 단계;존의 중심에 유동격자 셀(cell)의 중심 높이를 갖는 3차원 점 집합을 결정하는 단계; 및3차원 점 집합에서 밀도와 유속을 계산하는 단계;가 포함됨을 특징으로 하는 증기발생기 2차측 잔류물질 영향평가 방법.
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KR1020070087804A KR100913669B1 (ko) | 2007-08-30 | 2007-08-30 | 증기발생기 2차측 잔류물질 영향평가 방법 |
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KR1020070087804A KR100913669B1 (ko) | 2007-08-30 | 2007-08-30 | 증기발생기 2차측 잔류물질 영향평가 방법 |
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KR20090022448A true KR20090022448A (ko) | 2009-03-04 |
KR100913669B1 KR100913669B1 (ko) | 2009-08-25 |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101218885B1 (ko) * | 2010-09-17 | 2013-01-08 | 한국수력원자력 주식회사 | 증기발생기 관막음 전열관의 마모수명 평가방법 |
WO2024061196A1 (zh) * | 2022-09-19 | 2024-03-28 | 上海核工程研究设计院股份有限公司 | 一种核电站蒸汽发生器的智能监测方法及系统 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
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JPH09243011A (ja) * | 1996-03-06 | 1997-09-16 | Nuclear Fuel Ind Ltd | 蒸気発生器伝熱管のクラック進展速度の検知方法 |
KR100447482B1 (ko) * | 2001-04-23 | 2004-09-07 | 한국원자력연구소 | 원자력발전소 증기발생기 전열관 균열의 관통 여부 판정및 관통길이 측정방법 |
KR20050001859A (ko) * | 2003-06-26 | 2005-01-07 | 두산중공업 주식회사 | 증기 발생기의 전열관 마모 수명 산출 방법 |
JP2007163003A (ja) | 2005-12-13 | 2007-06-28 | Ishikawajima Harima Heavy Ind Co Ltd | 熱交換器伝熱管の閉塞診断方法及び装置 |
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- 2007-08-30 KR KR1020070087804A patent/KR100913669B1/ko active IP Right Grant
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101218885B1 (ko) * | 2010-09-17 | 2013-01-08 | 한국수력원자력 주식회사 | 증기발생기 관막음 전열관의 마모수명 평가방법 |
WO2024061196A1 (zh) * | 2022-09-19 | 2024-03-28 | 上海核工程研究设计院股份有限公司 | 一种核电站蒸汽发生器的智能监测方法及系统 |
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