SE469861B - Aggregat för övervakning av ett neutronflöde - Google Patents
Aggregat för övervakning av ett neutronflödeInfo
- Publication number
- SE469861B SE469861B SE8504783A SE8504783A SE469861B SE 469861 B SE469861 B SE 469861B SE 8504783 A SE8504783 A SE 8504783A SE 8504783 A SE8504783 A SE 8504783A SE 469861 B SE469861 B SE 469861B
- Authority
- SE
- Sweden
- Prior art keywords
- monitoring
- ion
- range
- detector
- neutron
- Prior art date
Links
- 238000012544 monitoring process Methods 0.000 title claims description 56
- 238000012545 processing Methods 0.000 claims description 22
- 230000004907 flux Effects 0.000 claims description 21
- 239000000463 material Substances 0.000 claims description 13
- 230000004992 fission Effects 0.000 claims description 12
- 239000011248 coating agent Substances 0.000 claims description 11
- 238000000576 coating method Methods 0.000 claims description 11
- 238000003776 cleavage reaction Methods 0.000 claims description 8
- 230000007017 scission Effects 0.000 claims description 8
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 5
- 239000000203 mixture Substances 0.000 claims description 5
- 238000004891 communication Methods 0.000 claims description 4
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 claims 1
- 239000003063 flame retardant Substances 0.000 claims 1
- 238000012806 monitoring device Methods 0.000 claims 1
- 230000008901 benefit Effects 0.000 description 6
- 238000001816 cooling Methods 0.000 description 6
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000012986 modification Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 4
- 238000012797 qualification Methods 0.000 description 4
- 230000001172 regenerating effect Effects 0.000 description 4
- 239000002826 coolant Substances 0.000 description 3
- 230000001105 regulatory effect Effects 0.000 description 3
- 230000035945 sensitivity Effects 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 2
- 229910052786 argon Inorganic materials 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 235000012239 silicon dioxide Nutrition 0.000 description 2
- 239000000377 silicon dioxide Substances 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- 241000283690 Bos taurus Species 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 238000005219 brazing Methods 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000002285 radioactive effect Effects 0.000 description 1
- 230000009257 reactivity Effects 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J47/00—Tubes for determining the presence, intensity, density or energy of radiation or particles
- H01J47/12—Neutron detector tubes, e.g. BF3 tubes
- H01J47/1227—Fission detectors
- H01J47/1233—Ionisation chambers
-
- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21C—NUCLEAR REACTORS
- G21C17/00—Monitoring; Testing ; Maintaining
- G21C17/10—Structural combination of fuel element, control rod, reactor core, or moderator structure with sensitive instruments, e.g. for measuring radioactivity, strain
- G21C17/108—Measuring reactor flux
-
- 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)
- High Energy & Nuclear Physics (AREA)
- Plasma & Fusion (AREA)
- General Engineering & Computer Science (AREA)
- Monitoring And Testing Of Nuclear Reactors (AREA)
- Measurement Of Radiation (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US06/580,480 US4623508A (en) | 1984-02-15 | 1984-02-15 | Wide range flux monitor assembly |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| SE8504783L SE8504783L (sv) | 1985-10-15 |
| SE8504783D0 SE8504783D0 (sv) | 1985-10-15 |
| SE469861B true SE469861B (sv) | 1993-09-27 |
Family
ID=24321282
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE8504783A SE469861B (sv) | 1984-02-15 | 1985-10-15 | Aggregat för övervakning av ett neutronflöde |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US4623508A (de) |
| JP (1) | JPH0627859B2 (de) |
| DE (2) | DE3590074T1 (de) |
| SE (1) | SE469861B (de) |
| WO (1) | WO1985003799A1 (de) |
Families Citing this family (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ES2018266B3 (es) * | 1986-06-19 | 1991-04-01 | Westinghouse Electric Corp | Detector de nivel bajo. |
| US4963315A (en) * | 1986-06-19 | 1990-10-16 | Westinghouse Electric Corp. | Low level detector monitor |
| DE3805097A1 (de) * | 1988-02-18 | 1989-08-31 | Siemens Ag | Neutronenfluss-messgeraet hoher empfindlichkeit |
| JP3177275B2 (ja) * | 1991-11-19 | 2001-06-18 | 有限会社中島製作所 | 放射線計測計 |
| US5956380A (en) * | 1995-12-22 | 1999-09-21 | Siemens Aktiengesellschaft | Method and apparatus for determining neutron flux density, in particular in a nuclear power facility |
| US5802127A (en) * | 1996-09-11 | 1998-09-01 | General Electric Company | Device for protecting in-core monitors against damage during servicing of nuclear reactor |
| JP4299927B2 (ja) * | 1998-08-31 | 2009-07-22 | 株式会社東芝 | 中性子束計測装置 |
| JP3936107B2 (ja) * | 1998-09-21 | 2007-06-27 | 株式会社東芝 | 原子炉起動監視装置および炉内出力監視方法 |
| JP4625557B2 (ja) * | 2000-03-27 | 2011-02-02 | 株式会社東芝 | 原子炉出力監視装置 |
| JP3958069B2 (ja) * | 2001-03-28 | 2007-08-15 | 株式会社東芝 | 放射線測定装置 |
| JP2004158264A (ja) * | 2002-11-05 | 2004-06-03 | Sony Corp | トレードインバッテリーシステム |
| US7923698B2 (en) * | 2007-06-19 | 2011-04-12 | Material Innovations, Inc. | Neutron detector |
| US10109380B2 (en) * | 2013-08-23 | 2018-10-23 | Westinghouse Electric Company Llc | Ion chamber radiation detector |
| US9773584B2 (en) * | 2014-11-24 | 2017-09-26 | General Electric Company | Triaxial mineral insulated cable in flame sensing applications |
| JP6441062B2 (ja) * | 2014-12-17 | 2018-12-19 | 株式会社東芝 | 中性子測定装置および中性子測定方法 |
| JP6502759B2 (ja) * | 2015-06-18 | 2019-04-17 | 東芝エネルギーシステムズ株式会社 | 中性子検出器および原子炉出力検出システム |
| US20170040072A1 (en) * | 2015-08-03 | 2017-02-09 | Yousef M. Farawila | Asymmetric filter of neutron signals for detecting power oscillations in boiling water reactors |
| CN105448363B (zh) * | 2015-11-12 | 2017-04-26 | 中广核工程有限公司 | 核电站核仪表系统及其定位方法 |
| US11694816B2 (en) * | 2018-10-02 | 2023-07-04 | Framatome Inc. | Self-powered in-core detector arrangement for measuring flux in a nuclear reactor core |
Family Cites Families (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3043954A (en) * | 1959-10-12 | 1962-07-10 | Gen Electric | Fission chamber assembly |
| US3311770A (en) * | 1963-05-13 | 1967-03-28 | Gen Electric | Gamma compensated neutron ion chamber |
| US3565760A (en) * | 1967-10-23 | 1971-02-23 | Gen Electric | Nuclear reactor power monitor system |
| DE1904407A1 (de) * | 1969-01-30 | 1970-09-10 | Licentia Gmbh | Neutronenempfindliche Ionisationskammer |
| US3760184A (en) * | 1972-03-10 | 1973-09-18 | Sick Erwin Fa | Photoelectric monitoring device for pluralities of threads |
| US3760183A (en) * | 1972-06-08 | 1973-09-18 | Gen Electric | Neutron detector system |
| JPS502833A (de) * | 1973-05-09 | 1975-01-13 | ||
| US3873840A (en) * | 1973-11-09 | 1975-03-25 | Us Navy | Gamma compensated pulsed ionization chamber wide range neutron/reactor power measurement system |
| JPS52104693A (en) * | 1976-02-27 | 1977-09-02 | Power Reactor & Nuclear Fuel Dev Corp | Neutron detector for monitoring in reactor |
| FR2385187A1 (fr) * | 1977-03-23 | 1978-10-20 | Electricite De France | Dispositif de mesure de la puissance locale dans un assemblage combustible de reacteur nucleaire |
| FR2452783A1 (fr) * | 1979-03-29 | 1980-10-24 | Commissariat Energie Atomique | Detecteur de particules et son procede de fabrication |
| JPS5927873B2 (ja) * | 1979-11-15 | 1984-07-09 | 株式会社東芝 | 中性子検出器 |
| JPS5693084A (en) * | 1979-12-27 | 1981-07-28 | Tokyo Shibaura Electric Co | Critical maintenance device of nuclear fuel |
| US4406011A (en) * | 1981-06-16 | 1983-09-20 | Burns Thomas J | Gamma thermometer based reactor core liquid level detector |
| US4495144A (en) * | 1981-07-06 | 1985-01-22 | Gamma-Metrics | Fission chamber detector system for monitoring neutron flux in a nuclear reactor over an extra wide range, with high sensitivity in a hostile environment |
| JPS58179395A (ja) * | 1982-04-15 | 1983-10-20 | 株式会社東芝 | 広域中性子束監視装置 |
| JPS5921111A (ja) * | 1982-07-26 | 1984-02-03 | Toshiba Corp | ワイドレンジモニタ装置 |
-
1984
- 1984-02-15 US US06/580,480 patent/US4623508A/en not_active Expired - Fee Related
-
1985
- 1985-02-14 JP JP60501096A patent/JPH0627859B2/ja not_active Expired - Lifetime
- 1985-02-14 DE DE19853590074 patent/DE3590074T1/de active Granted
- 1985-02-14 DE DE3590074A patent/DE3590074C2/de not_active Expired - Lifetime
- 1985-02-14 WO PCT/US1985/000264 patent/WO1985003799A1/en active Application Filing
- 1985-10-15 SE SE8504783A patent/SE469861B/sv not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| DE3590074T1 (de) | 1986-05-15 |
| WO1985003799A1 (en) | 1985-08-29 |
| DE3590074C2 (de) | 2002-08-29 |
| JPH0627859B2 (ja) | 1994-04-13 |
| SE8504783L (sv) | 1985-10-15 |
| SE8504783D0 (sv) | 1985-10-15 |
| JPS61501590A (ja) | 1986-07-31 |
| US4623508A (en) | 1986-11-18 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| NAL | Patent in force |
Ref document number: 8504783-5 Format of ref document f/p: F |
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| NUG | Patent has lapsed |