CH522267A - Reaktivitäts-Regelelement oder Abschirmung gegen thermische Neutronen - Google Patents
Reaktivitäts-Regelelement oder Abschirmung gegen thermische NeutronenInfo
- Publication number
- CH522267A CH522267A CH720171A CH720171A CH522267A CH 522267 A CH522267 A CH 522267A CH 720171 A CH720171 A CH 720171A CH 720171 A CH720171 A CH 720171A CH 522267 A CH522267 A CH 522267A
- Authority
- CH
- Switzerland
- Prior art keywords
- control element
- thermal neutrons
- against thermal
- shielding against
- reactivity control
- Prior art date
Links
Classifications
-
- 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
-
- 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
- G21C7/24—Selection of substances for use as neutron-absorbing material
-
- 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)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Plasma & Fusion (AREA)
- General Engineering & Computer Science (AREA)
- High Energy & Nuclear Physics (AREA)
- Ceramic Products (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB24774/70A GB1283159A (en) | 1970-05-21 | 1970-05-21 | Improvements in neutron absorbers |
Publications (1)
Publication Number | Publication Date |
---|---|
CH522267A true CH522267A (de) | 1972-06-15 |
Family
ID=10217053
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH720171A CH522267A (de) | 1970-05-21 | 1971-05-14 | Reaktivitäts-Regelelement oder Abschirmung gegen thermische Neutronen |
Country Status (8)
Country | Link |
---|---|
US (1) | US3769160A (de) |
BE (1) | BE767241A (de) |
CH (1) | CH522267A (de) |
DE (1) | DE2124311A1 (de) |
FR (1) | FR2100674B1 (de) |
GB (1) | GB1283159A (de) |
LU (1) | LU63174A1 (de) |
NL (1) | NL7106389A (de) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4474728A (en) * | 1981-12-28 | 1984-10-02 | Westinghouse Electric Corp. | Neutron absorber pellets with modified microstructure |
FR2713818B1 (fr) * | 1993-12-10 | 1996-01-12 | Commissariat Energie Atomique | Matériau composite absorbant les neutrons et son procédé de fabrication. |
US8537962B1 (en) * | 2008-02-08 | 2013-09-17 | Westinghouse Electric Company Llc | Advanced gray rod control assembly |
US9336910B2 (en) * | 2010-10-07 | 2016-05-10 | Bwxt Nuclear Energy, Inc. | Control rod/control rod drive mechanism couplings |
KR20130061202A (ko) * | 2011-11-29 | 2013-06-11 | 한국원자력연구원 | 사용 후 핵연료로부터 발생하는 중성자 처리방법 |
US9575207B1 (en) | 2016-03-07 | 2017-02-21 | Baker Hughes Incorporated | Nanostructured glass ceramic neutron shield for down-hole thermal neutron porosity measurement tools |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2988522A (en) * | 1955-11-25 | 1961-06-13 | North American Aviation Inc | Graphite boron neutron shielding |
US3153636A (en) * | 1958-10-31 | 1964-10-20 | Carborundum Co | Porous bodies of controlled densities and methods of making them |
US3108886A (en) * | 1958-12-29 | 1963-10-29 | Carborundum Co | Hard, refractory crystalline materials |
GB878465A (en) * | 1959-12-28 | 1961-09-27 | Ici Ltd | Neutron-absorbing material |
US3261800A (en) * | 1960-09-08 | 1966-07-19 | Du Pont | Boron nitride incorporated in polymer products |
BE639780A (de) * | 1962-11-12 | 1900-01-01 | ||
GB1106291A (en) * | 1963-11-25 | 1968-03-13 | Nat Res Dev | Boron-containing materials |
US3344080A (en) * | 1964-09-16 | 1967-09-26 | Atomic Energy Authority Uk | Refractory oxides doped with silicon carbide and silicon nitride |
US3321285A (en) * | 1964-11-12 | 1967-05-23 | Minnesota Mining & Mfg | Molybdenum fiber reinforced alumina |
US3326820A (en) * | 1965-04-22 | 1967-06-20 | Ibm | Arc process for forming high melting point compounds |
DE1564226C3 (de) * | 1966-02-26 | 1974-04-04 | Kernforschungsanlage Juelich Gmbh, 5170 Juelich | Kontroll- und Regelelement für Kernreaktoren |
FR1530462A (fr) * | 1967-03-24 | 1968-06-28 | Commissariat Energie Atomique | Procédé de fabrication de produits graphitiques absorbant les neutrons et produits conformes à ceux obtenus par application du procédé |
US3510398A (en) * | 1967-06-23 | 1970-05-05 | Phillip M Wood | Burnable poison rods |
DE1764926A1 (de) * | 1968-09-05 | 1971-12-02 | Brown Boweri Krupp Reaktorbau | Neutronenabsorbierende Materialien und Verfahren zu deren Herstellung |
-
1970
- 1970-05-21 GB GB24774/70A patent/GB1283159A/en not_active Expired
-
1971
- 1971-05-10 NL NL7106389A patent/NL7106389A/xx unknown
- 1971-05-12 DE DE19712124311 patent/DE2124311A1/de active Pending
- 1971-05-13 US US00143191A patent/US3769160A/en not_active Expired - Lifetime
- 1971-05-14 CH CH720171A patent/CH522267A/de not_active IP Right Cessation
- 1971-05-17 BE BE767241A patent/BE767241A/xx unknown
- 1971-05-18 LU LU63174D patent/LU63174A1/xx unknown
- 1971-05-19 FR FR7118269A patent/FR2100674B1/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
BE767241A (fr) | 1971-10-18 |
US3769160A (en) | 1973-10-30 |
DE2124311A1 (de) | 1971-12-02 |
FR2100674B1 (de) | 1974-04-05 |
LU63174A1 (de) | 1971-09-01 |
NL7106389A (de) | 1971-11-23 |
GB1283159A (en) | 1972-07-26 |
FR2100674A1 (de) | 1972-03-24 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PL | Patent ceased |