FR2496321B1 - Reacteur a derive spectrale comprenant des elements de deplacement d'eau en des materiaux absorbant les neutrons lents et intermediaires, pour modifier selectivement le volume du melange eau-moderateur dans le coeur du reacteur - Google Patents
Reacteur a derive spectrale comprenant des elements de deplacement d'eau en des materiaux absorbant les neutrons lents et intermediaires, pour modifier selectivement le volume du melange eau-moderateur dans le coeur du reacteurInfo
- Publication number
- FR2496321B1 FR2496321B1 FR8123430A FR8123430A FR2496321B1 FR 2496321 B1 FR2496321 B1 FR 2496321B1 FR 8123430 A FR8123430 A FR 8123430A FR 8123430 A FR8123430 A FR 8123430A FR 2496321 B1 FR2496321 B1 FR 2496321B1
- Authority
- FR
- France
- Prior art keywords
- reactor
- water
- displacer
- elements
- rods
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21C—NUCLEAR REACTORS
- G21C7/00—Control of nuclear reaction
- G21C7/26—Control of nuclear reaction by displacement of the moderator or parts thereof by changing the moderator concentration
- G21C7/27—Spectral shift control
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/14—Working by laser beam, e.g. welding, cutting or boring using a fluid stream, e.g. a jet of gas, in conjunction with the laser beam; Nozzles therefor
- B23K26/1462—Nozzles; Features related to nozzles
-
- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21C—NUCLEAR REACTORS
- G21C7/00—Control of nuclear reaction
- G21C7/06—Control of nuclear reaction by application of neutron-absorbing material, i.e. material with absorption cross-section very much in excess of reflection cross-section
- G21C7/08—Control of nuclear reaction by application of neutron-absorbing material, i.e. material with absorption cross-section very much in excess of reflection cross-section by displacement of solid control elements, e.g. control rods
- G21C7/10—Construction of control elements
- G21C7/117—Clusters of control rods; Spider construction
-
- 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)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Engineering & Computer Science (AREA)
- High Energy & Nuclear Physics (AREA)
- Optics & Photonics (AREA)
- Mechanical Engineering (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Monitoring And Testing Of Nuclear Reactors (AREA)
- Analysing Materials By The Use Of Radiation (AREA)
- Spectrometry And Color Measurement (AREA)
- Particle Accelerators (AREA)
- Measurement Of Radiation (AREA)
- Sanitary Device For Flush Toilet (AREA)
- Geophysics And Detection Of Objects (AREA)
- Control Of Fluid Pressure (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US21706180A | 1980-12-16 | 1980-12-16 |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2496321A1 FR2496321A1 (fr) | 1982-06-18 |
FR2496321B1 true FR2496321B1 (fr) | 1985-06-28 |
Family
ID=22809536
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR8123430A Expired FR2496321B1 (fr) | 1980-12-16 | 1981-12-15 | Reacteur a derive spectrale comprenant des elements de deplacement d'eau en des materiaux absorbant les neutrons lents et intermediaires, pour modifier selectivement le volume du melange eau-moderateur dans le coeur du reacteur |
Country Status (12)
Country | Link |
---|---|
EP (1) | EP0054789B1 (fr) |
JP (1) | JPS57125391A (fr) |
KR (1) | KR890000412B1 (fr) |
AT (1) | ATE10240T1 (fr) |
CA (1) | CA1175161A (fr) |
DE (1) | DE3167117D1 (fr) |
ES (1) | ES507957A0 (fr) |
FR (1) | FR2496321B1 (fr) |
GB (1) | GB2089557A (fr) |
IL (1) | IL64550A (fr) |
IT (1) | IT1140333B (fr) |
ZA (1) | ZA818395B (fr) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2535509B1 (fr) * | 1982-10-27 | 1985-07-26 | Framatome Sa | Procede d'exploitation d'un reacteur nucleaire modere et refroidi par de l'eau legere |
JPS6079195U (ja) * | 1983-11-04 | 1985-06-01 | 原子燃料工業株式会社 | 原子炉水排除用制御棒 |
US4642216A (en) * | 1984-03-12 | 1987-02-10 | Westinghouse Electric Corp. | Control rod cluster arrangement |
US4728480A (en) * | 1985-02-12 | 1988-03-01 | Westinghouse Electric Corp. | Apparatus and method for refurbishing a spectral shift mechanism for a nuclear reactor fuel assembly |
US4681728A (en) * | 1985-03-22 | 1987-07-21 | Westinghouse Electric Corp. | Nuclear reactor |
FR2584226B1 (fr) * | 1985-07-01 | 1989-09-08 | Framatome Sa | Reacteur nucleaire muni de grappes de commande a mise en action hydraulique. |
US4728488A (en) * | 1985-11-14 | 1988-03-01 | Westinghouse Electric Corp. | Wear resistant zirconium base alloy article for water reactors |
US4752433A (en) * | 1985-12-09 | 1988-06-21 | Westinghouse Electric Corp. | Vent system for displacer rod drive mechanism of pressurized water reactor and method of operation |
US5640435A (en) * | 1988-01-14 | 1997-06-17 | Hitachi, Ltd. | Fuel assembly and nuclear reactor |
US5617456A (en) * | 1988-01-14 | 1997-04-01 | Hitachi, Ltd. | Fuel assembly and nuclear reactor |
FR2627317B1 (fr) * | 1988-02-15 | 1990-07-27 | Framatome Sa | Equipements internes superieurs de reacteur nucleaire, a dispositifs de guidage de grappes |
USD945406S1 (en) * | 2019-12-09 | 2022-03-08 | Beijing Xiaomi Mobile Software Co., Ltd. | Headphone |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3036964A (en) * | 1957-11-12 | 1962-05-29 | Thompson Ramo Wooldridge Inc | Control method and apparatus |
LU36740A1 (fr) * | 1958-01-20 | |||
DE30160C (de) * | 1960-01-30 | 1900-01-01 | SOCIETE ANONYME DES TEINTURES ET APPRETS DE ; TARARE in Tarare, Rhone, Frankreich | Verfahren und Maschine zum j Färben von Geweben in Stücken |
US3551289A (en) * | 1968-01-24 | 1970-12-29 | Westinghouse Electric Corp | Nuclear reactor |
BE755919A (fr) * | 1969-09-27 | 1971-02-15 | Siemens Ag | Dispositif de regulation pour reacteur nucleaire a eau sous pression |
DE2044303C3 (de) * | 1970-09-08 | 1974-06-06 | Siemens Ag, 1000 Berlin Und 8000 Muenchen | Doppelsteuerelement für Druckwasserreaktoren |
JPS5435594A (en) * | 1977-08-26 | 1979-03-15 | Hitachi Ltd | Operational system of reactor |
-
1981
- 1981-12-03 ZA ZA818395A patent/ZA818395B/xx unknown
- 1981-12-04 AT AT81110147T patent/ATE10240T1/de not_active IP Right Cessation
- 1981-12-04 EP EP81110147A patent/EP0054789B1/fr not_active Expired
- 1981-12-04 DE DE8181110147T patent/DE3167117D1/de not_active Expired
- 1981-12-09 CA CA000391869A patent/CA1175161A/fr not_active Expired
- 1981-12-14 ES ES507957A patent/ES507957A0/es active Granted
- 1981-12-15 FR FR8123430A patent/FR2496321B1/fr not_active Expired
- 1981-12-15 IL IL64550A patent/IL64550A/xx unknown
- 1981-12-15 IT IT25608/81A patent/IT1140333B/it active
- 1981-12-16 JP JP56201732A patent/JPS57125391A/ja active Granted
- 1981-12-16 GB GB8137870A patent/GB2089557A/en not_active Withdrawn
- 1981-12-16 KR KR1019810004951A patent/KR890000412B1/ko active
Also Published As
Publication number | Publication date |
---|---|
ATE10240T1 (de) | 1984-11-15 |
JPS645665B2 (fr) | 1989-01-31 |
FR2496321A1 (fr) | 1982-06-18 |
IT1140333B (it) | 1986-09-24 |
DE3167117D1 (en) | 1984-12-13 |
KR890000412B1 (ko) | 1989-03-16 |
IL64550A (en) | 1985-08-30 |
CA1175161A (fr) | 1984-09-25 |
KR830008338A (ko) | 1983-11-18 |
IT8125608A0 (it) | 1981-12-15 |
JPS57125391A (en) | 1982-08-04 |
EP0054789A2 (fr) | 1982-06-30 |
ZA818395B (en) | 1983-07-27 |
EP0054789A3 (en) | 1982-09-22 |
GB2089557A (en) | 1982-06-23 |
ES8403652A1 (es) | 1984-03-16 |
EP0054789B1 (fr) | 1984-11-07 |
ES507957A0 (es) | 1984-03-16 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
CL | Concession to grant licences | ||
ST | Notification of lapse |