KR100822776B1 - 유동 상태 모니터링 시스템 및 방법 - Google Patents
유동 상태 모니터링 시스템 및 방법 Download PDFInfo
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- KR100822776B1 KR100822776B1 KR1020010065036A KR20010065036A KR100822776B1 KR 100822776 B1 KR100822776 B1 KR 100822776B1 KR 1020010065036 A KR1020010065036 A KR 1020010065036A KR 20010065036 A KR20010065036 A KR 20010065036A KR 100822776 B1 KR100822776 B1 KR 100822776B1
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 24
- 238000000034 method Methods 0.000 title claims abstract description 7
- 239000002826 coolant Substances 0.000 claims abstract description 51
- 239000012530 fluid Substances 0.000 claims abstract description 40
- 238000001816 cooling Methods 0.000 claims description 15
- 238000001514 detection method Methods 0.000 abstract description 13
- 239000007787 solid Substances 0.000 abstract description 9
- 230000000712 assembly Effects 0.000 abstract description 8
- 238000000429 assembly Methods 0.000 abstract description 8
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- 239000003570 air Substances 0.000 description 12
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- 238000009835 boiling Methods 0.000 description 1
- 229910052796 boron Inorganic materials 0.000 description 1
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- 229910052734 helium Inorganic materials 0.000 description 1
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 125000004435 hydrogen atom Chemical class [H]* 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
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Classifications
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- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21C—NUCLEAR REACTORS
- G21C17/00—Monitoring; Testing ; Maintaining
- G21C17/02—Devices or arrangements for monitoring coolant or moderator
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
- G01F1/704—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow using marked regions or existing inhomogeneities within the fluid stream, e.g. statistically occurring variations in a fluid parameter
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- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21C—NUCLEAR REACTORS
- G21C17/00—Monitoring; Testing ; Maintaining
- G21C17/02—Devices or arrangements for monitoring coolant or moderator
- G21C17/032—Reactor-coolant flow measuring or monitoring
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2291/00—Indexing codes associated with group G01N29/00
- G01N2291/02—Indexing codes associated with the analysed material
- G01N2291/028—Material parameters
- G01N2291/02836—Flow rate, liquid level
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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)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Monitoring And Testing Of Nuclear Reactors (AREA)
Abstract
Description
Claims (25)
- 원자력 발전소에서의 유체 유동(fluid flow) 상태를 모니터링하기 위한 유동 상태 모니터링 시스템으로서,모니터링될 유체 유동 근처에 위치하여 제 1 출력 신호를 내는 제 1 센서 조립체와,모니터링되는 다양한 유체 유동 상태의 시뮬레이팅된 특징을 포함하는 데이터베이스와,상기 유체 유동 상태를 결정하기 위하여 상기 센서 조립체로부터의 신호를 수신하고 이 신호를 상기 데이터베이스에 포함된 시뮬레이팅된 특징과 비교하기 위하여 상기 제 1 센서 조립체 및 상기 데이터베이스에 연결된 프로세서(processor) 수단과,상기 제 1 센서 조립체로부터 간격을 두고 위치하여 제 2 출력 신호를 내는 제 2 센서 조립체를포함하고,상기 프로세서 수단은 상기 제 1 센서 조립체에 의해 검출된 교란의 위치를 결정하기 위하여 상기 제 2 출력 신호를 상기 제 1 출력 신호와 비교하는, 유체 상태 모니터링 시스템.
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- 미드루프(midloop) 동작 동안에 원자력 발전소의 셧다운(shutdown) 냉각 시스템 배수 펌프에서 냉각재 유동을 모니터링하기 위한 유동 상태 모니터링 시스템으로서,수평이고 위쪽 영역과 아래쪽 영역을 가지며 원자로로부터 증기 발생기로 냉각재를 보내기(conduct) 위한 메인 파이프(main pipe)와,냉각재를 상기 아래쪽 영역으로부터 배수(drain) 펌프로 보내기 위하여 상기 메인 파이프의 상기 아래쪽 영역에 연결된 배수 파이프와,상기 배수 파이프 내의 냉각재 유동으로부터 음향 신호를 검출하기 위하여 상기 배수 파이프 근처에 위치한 제 1 센서 조립체와,모니터링되는 다양한 유동 상태의 시뮬레이팅된 음향 특징에 관한 데이터베이스와,냉각재 유동 상태를 식별하기 위하여 상기 검출된 음향 신호를 상기 데이터베이스에 포함된 시뮬레이팅된 음향 특징과 비교하는 프로세서와,상기 제 1 센서 조립체로부터 간격을 두고 위치하며, 상기 배수 파이프 내의 냉각재 유동으로부터 음향 신호를 검출하기 위한 제 2 센서 조립체를포함하며,상기 프로세서는 시간과 거리에 따른 상기 신호의 변화(variation) 및 감쇠(attenuation)를 모니터링함으로써 상기 유동 상태의 식별을 용이하게 하기 위하여 상기 제 2 센서 조립체로부터 검출된 음향 신호를 상기 제 1 센서 조립체로부터 검출된 음향 신호와 비교하기 위한 수단을 포함하는, 유동 상태 모니터링 시스템.
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- 원자력 발전소에서 유동 상태를 모니터링하는 방법으로서,모니터링될 유체 유동 근처에 제 1 센서 조립체를 위치시키는 단계와,상기 제 1 센서 조립체에 의해 유체 유동 상태를 나타내는 제 1 출력 신호를 생성하는 단계와,모니터링되는 다양한 유체 유동 상태의 시뮬레이팅된 특징을 포함하는 데이터베이스를 제공하는 단계와,상기 유체 유동 상태를 식별하기 위하여 상기 제 1 출력 신호를 다양한 유체 유동 상태의 상기 시뮬레이팅된 특징과 비교하는 단계를 포함하고,모니터링될 상기 유체 유동 근처에 제 2 센서 조립체를 위치시키는 단계와,상기 제 2 센서 조립체에 의해 제 2 출력 신호를 생성하는 단계와,시간과 거리에 따른 상기 신호의 변화를 모니터링함으로써 상기 유동 상태의 식별을 용이하게 하기 위하여 상기 제 2 출력 신호를 상기 제 1 출력 신호와 비교하는 단계를더 포함하는, 유동 상태 모니터링 방법.
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Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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US09/697,725 | 2000-10-27 | ||
US09/697,725 US6480793B1 (en) | 2000-10-27 | 2000-10-27 | Flow condition monitor |
Publications (2)
Publication Number | Publication Date |
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KR20020033053A KR20020033053A (ko) | 2002-05-04 |
KR100822776B1 true KR100822776B1 (ko) | 2008-04-17 |
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Application Number | Title | Priority Date | Filing Date |
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KR1020010065036A KR100822776B1 (ko) | 2000-10-27 | 2001-10-22 | 유동 상태 모니터링 시스템 및 방법 |
Country Status (3)
Country | Link |
---|---|
US (1) | US6480793B1 (ko) |
KR (1) | KR100822776B1 (ko) |
CN (1) | CN1213439C (ko) |
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- 2000-10-27 US US09/697,725 patent/US6480793B1/en not_active Expired - Lifetime
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- 2001-10-22 KR KR1020010065036A patent/KR100822776B1/ko active IP Right Grant
- 2001-10-26 CN CNB011375477A patent/CN1213439C/zh not_active Expired - Fee Related
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JPH05297013A (ja) * | 1992-04-17 | 1993-11-12 | Nippon Kagaku Kogyo Kk | 流速測定装置 |
JPH06281663A (ja) * | 1992-12-08 | 1994-10-07 | Abb Patent Gmbh | 流速計測装置 |
JPH09243651A (ja) * | 1996-03-04 | 1997-09-19 | Koichi Nakamura | 流体の流速測定方法及び電気機器巻線の冷却ガスの流速測定方法 |
US6017143A (en) * | 1996-03-28 | 2000-01-25 | Rosemount Inc. | Device in a process system for detecting events |
JPH1172365A (ja) * | 1997-06-24 | 1999-03-16 | Endress & Hauser Frohtec Ag | 体積型フローセンサのための置換組込みセット及び対応する渦流フローセンサ |
US5861560A (en) * | 1997-09-02 | 1999-01-19 | Combustion Engineering, Inc. | Shutdown cooling pump vortex detection system |
Also Published As
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KR20020033053A (ko) | 2002-05-04 |
US6480793B1 (en) | 2002-11-12 |
CN1351354A (zh) | 2002-05-29 |
CN1213439C (zh) | 2005-08-03 |
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