KR100447482B1 - 원자력발전소 증기발생기 전열관 균열의 관통 여부 판정및 관통길이 측정방법 - Google Patents
원자력발전소 증기발생기 전열관 균열의 관통 여부 판정및 관통길이 측정방법 Download PDFInfo
- Publication number
- KR100447482B1 KR100447482B1 KR10-2001-0021684A KR20010021684A KR100447482B1 KR 100447482 B1 KR100447482 B1 KR 100447482B1 KR 20010021684 A KR20010021684 A KR 20010021684A KR 100447482 B1 KR100447482 B1 KR 100447482B1
- Authority
- KR
- South Korea
- Prior art keywords
- eddy current
- coil
- penetration
- steam generator
- defects
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims abstract description 27
- 238000000691 measurement method Methods 0.000 title claims description 4
- 230000007547 defect Effects 0.000 claims abstract description 51
- 230000035515 penetration Effects 0.000 claims abstract description 39
- 238000005336 cracking Methods 0.000 claims abstract description 21
- 235000012771 pancakes Nutrition 0.000 claims abstract description 15
- 239000000523 sample Substances 0.000 claims description 18
- 230000000149 penetrating effect Effects 0.000 claims description 13
- 238000004590 computer program Methods 0.000 claims description 2
- 238000005259 measurement Methods 0.000 claims 1
- 238000010998 test method Methods 0.000 claims 1
- 238000007689 inspection Methods 0.000 abstract description 19
- 230000007797 corrosion Effects 0.000 abstract description 6
- 238000005260 corrosion Methods 0.000 abstract description 6
- 239000002826 coolant Substances 0.000 abstract description 3
- 238000011158 quantitative evaluation Methods 0.000 abstract description 3
- 230000002950 deficient Effects 0.000 abstract description 2
- 230000005855 radiation Effects 0.000 abstract description 2
- 238000012360 testing method Methods 0.000 description 9
- 238000005516 engineering process Methods 0.000 description 5
- 238000012546 transfer Methods 0.000 description 5
- 230000001066 destructive effect Effects 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000010297 mechanical methods and process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 238000004513 sizing Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
- G01B7/34—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring roughness or irregularity of surfaces
-
- 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
- G01N27/72—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables
- G01N27/82—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables for investigating the presence of flaws
- G01N27/90—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables for investigating the presence of flaws using eddy currents
- G01N27/9013—Arrangements for scanning
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- Chemical & Material Sciences (AREA)
- General Physics & Mathematics (AREA)
- Physics & Mathematics (AREA)
- Electrochemistry (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
Abstract
Description
Claims (5)
- 원자력발전소 증기발생기 전열관 표면의 균열성 결함을 와전류 검사법으로 평가하는 방법에 있어서, 모터구동 회전 탐촉자의 코일이 나선형으로 회전하면서 균열성 결함을 지날 때마다 나타내는, 즉 매회전시마다 얻어지는 와전류 신호의 진폭특성값을 균열의 길이방향 위치로 대응시켰을 때 나타나는 그래프의 변곡점의 개수와 위치를 측정하여 균열성 결함의 전열관 두께 관통 여부를 정밀 판정하고 관통 길이를 측정하는 것을 특징으로 하는 원자력발전소 증기발생기 전열관 균열의 관통여부 판정 및 관통길이 측정 방법.
- 제 1 항에 있어서,모터구동 회전 탐촉자의 코일은 팬케익 코일, 플러스 포인트 코일, 액셜 코일, 써컴퍼렌샬 코일 중에서 적어도 하나가 선정되며, 선정된 코일이 나선형으로 회전하면서 균열성 결함을 지날 때마다 나타내는, 즉 매회전시마다 얻어지는 와전류 진폭특성값을 이용하는 것을 특징으로 하는 원자력발전소 증기발생기 전열관 균열의 관통여부 판정 및 관통길이 측정 방법.
- 제 1 항에 있어서,서로 다른 두 개의 코일이 나선형으로 회전하면서 균열성 결함을 지날 때마다 나타내는, 즉 매회전시마다 얻어지는 와전류 진폭특성값의 차이를 이용하는 것을 특징으로 하는 원자력발전소 증기발생기 전열관 균열의 관통여부 판정 및 관통길이 측정 방법.
- 제 3 항에 있어서,서로 다른 두 코일 중 적어도 하나는 팬케익 코일을 포함하는 것을 특징으로 하는 원자력발전소 증기발생기 전열관 균열의 관통여부 판정 및 관통길이 측정 방법.
- 제 1 항에 있어서,모터구동 회전 탐촉자의 코일이 나선형으로 회전하면서 균열성 결함을 지날 때마다 나타내는, 즉 매회전시마다 얻어지는 와전류 신호의 진폭특성값을 이용하여 균열성 결함의 관통 여부를 정밀 평가하고 관통 길이를 측정하기 위하여 구성한 전산 프로그램을 포함하는 것을 특징으로 하는 원자력발전소 증기발생기 전열관 균열의 관통여부 판정 및 관통길이 측정 방법.
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2001-0021684A KR100447482B1 (ko) | 2001-04-23 | 2001-04-23 | 원자력발전소 증기발생기 전열관 균열의 관통 여부 판정및 관통길이 측정방법 |
FR0204938A FR2823852B1 (fr) | 2001-04-23 | 2002-04-19 | Procede pour detecter une fissure traversant la paroi d'un tube et mesurer la longueur de la fissure traversante |
US10/125,466 US6677748B2 (en) | 2001-04-23 | 2002-04-19 | Method of discriminating through-wall cracks and measuring through-wall length of cracks in nuclear steam generator tubes using eddy current signals |
Applications Claiming Priority (1)
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KR10-2001-0021684A KR100447482B1 (ko) | 2001-04-23 | 2001-04-23 | 원자력발전소 증기발생기 전열관 균열의 관통 여부 판정및 관통길이 측정방법 |
Publications (2)
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KR20040045936A KR20040045936A (ko) | 2004-06-05 |
KR100447482B1 true KR100447482B1 (ko) | 2004-09-07 |
Family
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KR10-2001-0021684A KR100447482B1 (ko) | 2001-04-23 | 2001-04-23 | 원자력발전소 증기발생기 전열관 균열의 관통 여부 판정및 관통길이 측정방법 |
Country Status (3)
Country | Link |
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US (1) | US6677748B2 (ko) |
KR (1) | KR100447482B1 (ko) |
FR (1) | FR2823852B1 (ko) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101083215B1 (ko) | 2010-02-26 | 2011-11-11 | 한국전력공사 | 증기 발생기 전열관 내경의 원주균열에 대한 mrpc 와전류탐상 검사 방법 |
KR101203263B1 (ko) | 2011-03-09 | 2012-11-20 | 한국수력원자력 주식회사 | 원전 증기발생기의 전열관 천이구역 단면변화검사용 와전류검사탐촉자 및 이를 사용하여 전열관의 천이구역 단면변화를 검사하는 방법 |
KR20160028181A (ko) | 2014-09-03 | 2016-03-11 | 한국수력원자력 주식회사 | 피검사체의 균열길이 측정방법 |
Families Citing this family (15)
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KR100696991B1 (ko) * | 2006-01-25 | 2007-03-20 | 한국원자력연구소 | 투자율 측정법을 이용하여 증기발생기 전열관의 와전류를탐상하는 장치 및 방법 |
JP4311416B2 (ja) * | 2006-06-30 | 2009-08-12 | 株式会社日立製作所 | 渦電流探傷法による表面欠陥長さ評価方法 |
JP4247723B2 (ja) * | 2007-03-26 | 2009-04-02 | 住友金属工業株式会社 | 渦流探傷方法及び渦流探傷装置 |
KR100913669B1 (ko) * | 2007-08-30 | 2009-08-25 | 한국수력원자력 주식회사 | 증기발생기 2차측 잔류물질 영향평가 방법 |
US8794083B2 (en) | 2010-07-12 | 2014-08-05 | General Electric Company | Low row steam generator inspection probe |
US10896767B2 (en) * | 2011-04-07 | 2021-01-19 | Westinghouse Electric Company Llc | Method of detecting an existence of a loose part in a steam generator of a nuclear power plant |
JP6081107B2 (ja) * | 2012-08-31 | 2017-02-15 | 三菱重工業株式会社 | 隙間計測装置及び方法並びにプログラム |
US9588082B2 (en) | 2013-05-31 | 2017-03-07 | Nuscale Power, Llc | Steam generator tube probe and method of inspection |
CN104269196B (zh) * | 2014-08-27 | 2017-01-11 | 上海发电设备成套设计研究院 | 一种核电厂高能管道破裂事故环境模拟试验装置及方法 |
KR101613256B1 (ko) * | 2014-09-05 | 2016-04-19 | 한국원자력연구원 | 와전류 검사법을 이용한 전열관 부식량 예측방법 |
US11499941B2 (en) | 2018-12-12 | 2022-11-15 | Zetec, Inc. | Eddy current probe |
KR102461931B1 (ko) * | 2020-10-08 | 2022-11-01 | 한국원자력연구원 | 인쇄기판형 열교환기 건전성검사 방법 및 장치 |
CN112992392B (zh) * | 2021-02-19 | 2022-12-09 | 哈尔滨工程大学 | 一种承压管道破裂前泄漏试验段 |
KR102621824B1 (ko) * | 2021-03-30 | 2024-01-10 | (주)이너아이 | 파우치형 이차전지의 내부균열 비파괴 검사방법 |
CN118169228A (zh) * | 2023-12-21 | 2024-06-11 | 宁夏大学 | 铁磁钢板u型缺陷检测方法 |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3593122A (en) * | 1969-03-27 | 1971-07-13 | Amf Inc | Method and apparatus for identifying hardspots in magnetizable material |
US3875502A (en) * | 1973-05-24 | 1975-04-01 | Foerster Inst Dr Friedrich | Coil arrangement and circuit for eddy current testing |
JPS5975146A (ja) * | 1982-10-21 | 1984-04-27 | Chugoku X Sen Kk | 金属管の渦流探傷装置 |
US5334934A (en) * | 1991-07-15 | 1994-08-02 | General Electric Company | Eddy current probe apparatus and interlaced scanning method for interior inspection of metal devices |
US5748003A (en) * | 1991-07-29 | 1998-05-05 | Colorado State University Research Foundation | Microwaves used for determining fatigue and surface crack features on metal surfaces |
US5247251A (en) * | 1992-03-16 | 1993-09-21 | Westinghouse Electric Corp. | Probe with radially extendable and retractable detector assembly for inspecting interior walls of hollow metallic plug |
US5396800A (en) * | 1993-03-17 | 1995-03-14 | Westinghouse Electric Corporation | Apparatus and method for inspecting a control rod drive mechanism penetration tube for degradation |
US5821747A (en) * | 1997-01-08 | 1998-10-13 | Queen's University At Kingston | Method and apparatus for scanning a plurality of parallel pipes for flaws using tube-to-tube through transmissions |
US6127823A (en) * | 1997-10-08 | 2000-10-03 | Atherton; David L. | Electromagnetic method for non-destructive testing of prestressed concrete pipes for broken prestressing wires |
US6519535B1 (en) * | 2000-06-05 | 2003-02-11 | The University Of Chicago | Eddy current technique for predicting burst pressure |
-
2001
- 2001-04-23 KR KR10-2001-0021684A patent/KR100447482B1/ko not_active IP Right Cessation
-
2002
- 2002-04-19 US US10/125,466 patent/US6677748B2/en not_active Expired - Fee Related
- 2002-04-19 FR FR0204938A patent/FR2823852B1/fr not_active Expired - Fee Related
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101083215B1 (ko) | 2010-02-26 | 2011-11-11 | 한국전력공사 | 증기 발생기 전열관 내경의 원주균열에 대한 mrpc 와전류탐상 검사 방법 |
KR101203263B1 (ko) | 2011-03-09 | 2012-11-20 | 한국수력원자력 주식회사 | 원전 증기발생기의 전열관 천이구역 단면변화검사용 와전류검사탐촉자 및 이를 사용하여 전열관의 천이구역 단면변화를 검사하는 방법 |
KR20160028181A (ko) | 2014-09-03 | 2016-03-11 | 한국수력원자력 주식회사 | 피검사체의 균열길이 측정방법 |
Also Published As
Publication number | Publication date |
---|---|
FR2823852A1 (fr) | 2002-10-25 |
US6677748B2 (en) | 2004-01-13 |
FR2823852B1 (fr) | 2004-11-12 |
US20020153883A1 (en) | 2002-10-24 |
KR20040045936A (ko) | 2004-06-05 |
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