ES8403648A1 - Aparato para controlar la reactividad en reactores nucleares. - Google Patents
Aparato para controlar la reactividad en reactores nucleares.Info
- Publication number
- ES8403648A1 ES8403648A1 ES509001A ES509001A ES8403648A1 ES 8403648 A1 ES8403648 A1 ES 8403648A1 ES 509001 A ES509001 A ES 509001A ES 509001 A ES509001 A ES 509001A ES 8403648 A1 ES8403648 A1 ES 8403648A1
- Authority
- ES
- Spain
- Prior art keywords
- tube
- reactor
- nuclear reactor
- spike
- gas
- 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
- G21C3/00—Reactor fuel elements and their assemblies; Selection of substances for use as reactor fuel elements
- G21C3/30—Assemblies of a number of fuel elements in the form of a rigid unit
- G21C3/32—Bundles of parallel pin-, rod-, or tube-shaped fuel elements
- G21C3/326—Bundles of parallel pin-, rod-, or tube-shaped fuel elements comprising fuel elements of different composition; comprising, in addition to the fuel elements, other pin-, rod-, or tube-shaped elements, e.g. control rods, grid support rods, fertile rods, poison rods or dummy rods
-
- 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
- G21C7/22—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 a fluid or fluent neutron-absorbing material, e.g. by adding neutron-absorbing material to the coolant
-
- 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)
- General Engineering & Computer Science (AREA)
- High Energy & Nuclear Physics (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Monitoring And Testing Of Nuclear Reactors (AREA)
- Structure Of Emergency Protection For Nuclear Reactors (AREA)
Abstract
3(57)APARATO PARA CONTROLAR LA REACTIVIDAD EN REACTORES NUCLEARES.INCLUYE UNA PLURALIDAD DE CONJUNTOS DE COMBUSTIBLE (10), CADA UNO DE ELLOS CON TOBERAS SUPERIOR E INFERIOR, CON TUBOS DE GUIA DE BARRAS DE COMBUSTIBLE Y DE BARRAS DE CONTROL INTERCALADOS ENTRE ELLAS. UNOS TUBOS LLENOS DE GAS (50), DISPUESTOS EN DICHOS CONJUNTOS, SE EXTIENDEN SOBRE LA TOTALIDAD DE LA LONGITUD DE ELLOS, CON SUS EXTREMIDADES INFERIORES (52) APOYADAS SOBRE LA SUPERFICIE SUPERIOR (54) DE LA TOBERA INFERIOR (26). UNAS ESPIGAS (60) ESTAN MONTADAS DE MANERA FIJA EN EL LADO INFERIOR DE LA TOBERASUPERIOR (24), CON SUS PUNTAS ORIENTADAS HACIA ABAJO.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/228,007 US4371495A (en) | 1981-01-23 | 1981-01-23 | Self rupturing gas moderator rod for a nuclear reactor |
Publications (2)
Publication Number | Publication Date |
---|---|
ES8403648A1 true ES8403648A1 (es) | 1984-03-16 |
ES509001A0 ES509001A0 (es) | 1984-03-16 |
Family
ID=22855369
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES509001A Granted ES509001A0 (es) | 1981-01-23 | 1982-01-22 | Aparato para controlar la reactividad en reactores nucleares. |
Country Status (5)
Country | Link |
---|---|
US (1) | US4371495A (es) |
JP (1) | JPS57137885A (es) |
BE (1) | BE891874A (es) |
ES (1) | ES509001A0 (es) |
FR (1) | FR2498800B1 (es) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4575448A (en) * | 1982-03-11 | 1986-03-11 | Westinghouse Electric Corp. | Moderation of neutron energy |
FR2565396B1 (fr) * | 1984-05-30 | 1989-06-30 | Framatome Sa | Procede d'exploitation d'un reacteur a eau legere et a variation de spectre |
US4661306A (en) * | 1984-07-02 | 1987-04-28 | Westinghouse Electric Corp. | Fluid moderator control system reactor internals distribution system |
US4693862A (en) * | 1984-07-02 | 1987-09-15 | Westinghouse Electric Corp. | Gas displacement spectral shift reactor and control method |
US4687621A (en) * | 1984-08-06 | 1987-08-18 | Westinghouse Electric Corp. | Nuclear fuel assembly with improved spectral shift-producing rods |
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 |
US4683103A (en) * | 1985-02-12 | 1987-07-28 | Westinghouse Electric Corp. | Spectral shift apparatus and method for a nuclear reactor fuel assembly |
JPS6256894A (ja) * | 1985-09-06 | 1987-03-12 | 三菱原子力工業株式会社 | スペクトル移動用内插物集合体 |
US5200138A (en) * | 1991-08-05 | 1993-04-06 | Westinghouse Electric Corp. | Spectral shift-producing subassembly for use in a nuclear fuel assembly |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1330823A (fr) * | 1961-05-24 | 1963-06-28 | Belge Pour L Ind Nucleaire Bel | Perfectionnements au réglage des réacteurs nucléaires |
NL278799A (es) * | 1961-05-24 | |||
DE1204346B (de) * | 1961-07-18 | 1965-11-04 | Siemens Ag | Notabschalteinrichtung fuer Atomkernreaktoren |
NL298421A (es) * | 1962-09-26 | 1900-01-01 | ||
DE1204347B (de) * | 1964-09-17 | 1965-11-04 | Rolf Schlottau | Verfahren zur Kompensation des Abbrandes in einem Kernreaktor mit Feststoffmoderator |
GB1269210A (en) * | 1968-08-29 | 1972-04-06 | Atomic Energy Authority Uk | Improvements in or relating to nuclear reactor fuel elements |
FR2038062A1 (es) * | 1969-03-19 | 1971-01-08 | Commissariat Energie Atomique | |
US3745069A (en) * | 1969-10-30 | 1973-07-10 | United Nuclear Corp | Fuel assemblies containing uo2 and puo2-uo2 for water cooled nuclear reactors |
GB1358984A (en) * | 1970-06-12 | 1974-07-03 | British Nuclear Design Constr | Nuclear reactors |
-
1981
- 1981-01-23 US US06/228,007 patent/US4371495A/en not_active Ceased
-
1982
- 1982-01-11 JP JP57001865A patent/JPS57137885A/ja active Pending
- 1982-01-22 ES ES509001A patent/ES509001A0/es active Granted
- 1982-01-22 FR FR8201006A patent/FR2498800B1/fr not_active Expired
- 1982-01-22 BE BE0/207121A patent/BE891874A/fr not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
BE891874A (fr) | 1982-07-22 |
JPS57137885A (en) | 1982-08-25 |
FR2498800B1 (fr) | 1988-07-15 |
ES509001A0 (es) | 1984-03-16 |
FR2498800A1 (fr) | 1982-07-30 |
US4371495A (en) | 1983-02-01 |
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