GB797692A - Shields for nuclear reactors - Google Patents
Shields for nuclear reactorsInfo
- Publication number
- GB797692A GB797692A GB23340/55A GB2334055A GB797692A GB 797692 A GB797692 A GB 797692A GB 23340/55 A GB23340/55 A GB 23340/55A GB 2334055 A GB2334055 A GB 2334055A GB 797692 A GB797692 A GB 797692A
- Authority
- GB
- United Kingdom
- Prior art keywords
- parts
- mesh
- moderating
- per cent
- borax
- 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
- 239000000463 material Substances 0.000 abstract 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 abstract 2
- 229910002804 graphite Inorganic materials 0.000 abstract 2
- 239000010439 graphite Substances 0.000 abstract 2
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 abstract 1
- 239000011230 binding agent Substances 0.000 abstract 1
- 229910021538 borax Inorganic materials 0.000 abstract 1
- 229910052796 boron Inorganic materials 0.000 abstract 1
- 150000001639 boron compounds Chemical class 0.000 abstract 1
- UQGFMSUEHSUPRD-UHFFFAOYSA-N disodium;3,7-dioxido-2,4,6,8,9-pentaoxa-1,3,5,7-tetraborabicyclo[3.3.1]nonane Chemical compound [Na+].[Na+].O1B([O-])OB2OB([O-])OB1O2 UQGFMSUEHSUPRD-UHFFFAOYSA-N 0.000 abstract 1
- 239000000428 dust Substances 0.000 abstract 1
- 230000004907 flux Effects 0.000 abstract 1
- 238000010438 heat treatment Methods 0.000 abstract 1
- 239000004328 sodium tetraborate Substances 0.000 abstract 1
- 235000010339 sodium tetraborate Nutrition 0.000 abstract 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J23/00—Details of transit-time tubes of the types covered by group H01J25/00
- H01J23/16—Circuit elements, having distributed capacitance and inductance, structurally associated with the tube and interacting with the discharge
- H01J23/24—Slow-wave structures, e.g. delay systems
- H01J23/30—Damping arrangements associated with slow-wave structures, e.g. for suppression of unwanted oscillations
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B17/00—Guiding record carriers not specifically of filamentary or web form, or of supports therefor
- G11B17/08—Guiding record carriers not specifically of filamentary or web form, or of supports therefor from consecutive-access magazine of disc records
- G11B17/12—Guiding record carriers not specifically of filamentary or web form, or of supports therefor from consecutive-access magazine of disc records with axial transfer to the turntable from a stack with a vertical axis
- G11B17/16—Guiding record carriers not specifically of filamentary or web form, or of supports therefor from consecutive-access magazine of disc records with axial transfer to the turntable from a stack with a vertical axis by mechanism in stationary centre post, e.g. with stepped post, using fingers on post
-
- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21C—NUCLEAR REACTORS
- G21C11/00—Shielding structurally associated with the reactor
- G21C11/02—Biological shielding ; Neutron or gamma shielding
-
- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21C—NUCLEAR REACTORS
- G21C11/00—Shielding structurally associated with the reactor
- G21C11/02—Biological shielding ; Neutron or gamma shielding
- G21C11/028—Biological shielding ; Neutron or gamma shielding characterised by the form or by the material
-
- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21C—NUCLEAR REACTORS
- G21C5/00—Moderator or core structure; Selection of materials for use as moderator
- G21C5/12—Moderator or core structure; Selection of materials for use as moderator characterised by composition, e.g. the moderator containing additional substances which ensure improved heat resistance of the moderator
- G21C5/126—Carbonic moderators
-
- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21F—PROTECTION AGAINST X-RADIATION, GAMMA RADIATION, CORPUSCULAR RADIATION OR PARTICLE BOMBARDMENT; TREATING RADIOACTIVELY CONTAMINATED MATERIAL; DECONTAMINATION ARRANGEMENTS THEREFOR
- G21F1/00—Shielding characterised by the composition of the materials
- G21F1/02—Selection of uniform shielding materials
-
- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21F—PROTECTION AGAINST X-RADIATION, GAMMA RADIATION, CORPUSCULAR RADIATION OR PARTICLE BOMBARDMENT; TREATING RADIOACTIVELY CONTAMINATED MATERIAL; DECONTAMINATION ARRANGEMENTS THEREFOR
- G21F1/00—Shielding characterised by the composition of the materials
- G21F1/02—Selection of uniform shielding materials
- G21F1/06—Ceramics; Glasses; Refractories
-
- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21F—PROTECTION AGAINST X-RADIATION, GAMMA RADIATION, CORPUSCULAR RADIATION OR PARTICLE BOMBARDMENT; TREATING RADIOACTIVELY CONTAMINATED MATERIAL; DECONTAMINATION ARRANGEMENTS THEREFOR
- G21F1/00—Shielding characterised by the composition of the materials
- G21F1/02—Selection of uniform shielding materials
- G21F1/10—Organic substances; Dispersions in organic carriers
- G21F1/103—Dispersions in organic carriers
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H50/00—Details of electromagnetic relays
- H01H50/54—Contact arrangements
- H01H50/56—Contact spring sets
- H01H50/58—Driving arrangements structurally associated therewith; Mounting of driving arrangements on armature
-
- 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
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- High Energy & Nuclear Physics (AREA)
- Plasma & Fusion (AREA)
- Dispersion Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biomedical Technology (AREA)
- General Health & Medical Sciences (AREA)
- Molecular Biology (AREA)
- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Electromagnetism (AREA)
- Carbon And Carbon Compounds (AREA)
- Microwave Tubes (AREA)
- Ceramic Products (AREA)
- Refinement Of Pig-Iron, Manufacture Of Cast Iron, And Steel Manufacture Other Than In Revolving Furnaces (AREA)
- Switch Cases, Indication, And Locking (AREA)
- Breakers (AREA)
- Contacts (AREA)
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB339994X | 1955-08-12 | ||
| GB345043X | 1955-09-23 | ||
| GB334124X | 1955-10-25 | ||
| GB310756X | 1956-07-31 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB797692A true GB797692A (en) | 1958-07-09 |
Family
ID=27448799
Family Applications (4)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB23340/55A Expired GB797692A (en) | 1955-08-12 | 1955-08-12 | Shields for nuclear reactors |
| GB27225/55A Expired GB810098A (en) | 1955-08-12 | 1955-09-23 | Improvements relating to electric contact spring assemblies |
| GB30462/55A Expired GB802876A (en) | 1955-08-12 | 1955-10-25 | Improvements in or relating to travelling wave amplifier tubes |
| GB676/58A Expired GB821915A (en) | 1955-08-12 | 1958-01-07 | Shields for nuclear reactors |
Family Applications After (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB27225/55A Expired GB810098A (en) | 1955-08-12 | 1955-09-23 | Improvements relating to electric contact spring assemblies |
| GB30462/55A Expired GB802876A (en) | 1955-08-12 | 1955-10-25 | Improvements in or relating to travelling wave amplifier tubes |
| GB676/58A Expired GB821915A (en) | 1955-08-12 | 1958-01-07 | Shields for nuclear reactors |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US2882441A (enExample) |
| BE (1) | BE550196A (enExample) |
| CH (3) | CH339994A (enExample) |
| DE (1) | DE1043534B (enExample) |
| FR (3) | FR1160723A (enExample) |
| GB (4) | GB797692A (enExample) |
| LU (1) | LU34572A1 (enExample) |
| NL (3) | NL211372A (enExample) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3231521A (en) * | 1961-05-24 | 1966-01-25 | Carborundum Co | Neutron shielding using a composition comprising graphite, boron carbide and carbonized residue |
| FR2121622A1 (enExample) * | 1971-01-07 | 1972-08-25 | British Nuclear Design Constr | |
| DE2752040A1 (de) * | 1977-11-22 | 1979-05-23 | Kempten Elektroschmelz Gmbh | Neutronenabsorberplatten auf grundlage von borcarbid und kohlenstoff und verfahren zu ihrer herstellung |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2967968A (en) * | 1957-06-24 | 1961-01-10 | Gen Electric | Electron discharge device |
| DE1178527B (de) * | 1959-11-24 | 1964-09-24 | Licentia Gmbh | Kernreaktorabschirmung |
| US3324342A (en) * | 1963-07-12 | 1967-06-06 | Varian Associates | Traveling wave tube having maximum gain and power output at the same beam voltage |
| US4074211A (en) * | 1976-09-07 | 1978-02-14 | The United States Of America As Represented By The Secretary Of The Army | Dielectric substrate for slow-wave structure |
| GB2296370B (en) * | 1994-12-19 | 1998-07-29 | Eev Ltd | Travelling wave tubes |
| FR2995360B1 (fr) | 2012-09-12 | 2018-06-15 | Snecma | Procede de montage d'un panneau acoustique dans un carter d'une turbomachine et turbomachine comportant un panneau acoustique |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE913000C (de) * | 1943-07-08 | 1954-06-08 | Dr Boris Rajewsky | Bauelement oder Bauteil zum Schutz gegen Neutronen- und ª†-Strahlung |
| BE476787A (enExample) * | 1946-10-22 | |||
| US2584597A (en) * | 1949-01-26 | 1952-02-05 | Sylvania Electric Prod | Traveling wave tube |
| GB764681A (en) * | 1952-01-01 | 1957-01-02 | Mullard Radio Valve Co Ltd | Improvements in travelling wave tubes |
| FR1060245A (fr) * | 1952-07-15 | 1954-03-31 | Centre Nat Rech Scient | Matériau absorbant les radiations d'origine nucléaire et notamment les radiations neutroniques |
| US2771565A (en) * | 1952-08-19 | 1956-11-20 | Itt | Traveling wave tubes |
| BE517667A (enExample) * | 1953-02-14 | |||
| US2752430A (en) * | 1954-03-11 | 1956-06-26 | Hughes Aircraft Co | Traveling-wave tube automatic gain control |
| BE557951A (enExample) * | 1954-10-29 |
-
0
- BE BE550196D patent/BE550196A/xx unknown
- LU LU34572D patent/LU34572A1/xx unknown
- NL NL209604D patent/NL209604A/xx unknown
- NL NL103284D patent/NL103284C/xx active
- NL NL211372D patent/NL211372A/xx unknown
-
1955
- 1955-08-12 GB GB23340/55A patent/GB797692A/en not_active Expired
- 1955-09-23 GB GB27225/55A patent/GB810098A/en not_active Expired
- 1955-10-25 GB GB30462/55A patent/GB802876A/en not_active Expired
-
1956
- 1956-08-07 DE DEM31353A patent/DE1043534B/de active Pending
- 1956-08-09 CH CH339994D patent/CH339994A/fr unknown
- 1956-08-10 FR FR1160723D patent/FR1160723A/fr not_active Expired
- 1956-09-05 FR FR1156297D patent/FR1156297A/fr not_active Expired
- 1956-09-20 CH CH345043D patent/CH345043A/de unknown
- 1956-10-11 US US615293A patent/US2882441A/en not_active Expired - Lifetime
- 1956-10-23 FR FR1159105D patent/FR1159105A/fr not_active Expired
- 1956-10-24 CH CH334124D patent/CH334124A/fr unknown
-
1958
- 1958-01-07 GB GB676/58A patent/GB821915A/en not_active Expired
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3231521A (en) * | 1961-05-24 | 1966-01-25 | Carborundum Co | Neutron shielding using a composition comprising graphite, boron carbide and carbonized residue |
| FR2121622A1 (enExample) * | 1971-01-07 | 1972-08-25 | British Nuclear Design Constr | |
| DE2752040A1 (de) * | 1977-11-22 | 1979-05-23 | Kempten Elektroschmelz Gmbh | Neutronenabsorberplatten auf grundlage von borcarbid und kohlenstoff und verfahren zu ihrer herstellung |
| FR2409582A1 (fr) * | 1977-11-22 | 1979-06-15 | Kempten Elektroschmelz Gmbh | Plaques absorbant les neutrons, a base de carbure de bore et de carbone, et procede pour les fabriquer |
Also Published As
| Publication number | Publication date |
|---|---|
| LU34572A1 (enExample) | |
| FR1156297A (fr) | 1958-05-14 |
| GB810098A (en) | 1959-03-11 |
| FR1160723A (fr) | 1958-07-29 |
| CH345043A (de) | 1960-03-15 |
| NL103284C (enExample) | |
| FR1159105A (fr) | 1958-06-23 |
| NL209604A (enExample) | |
| US2882441A (en) | 1959-04-14 |
| GB802876A (en) | 1958-10-15 |
| GB821915A (en) | 1959-10-14 |
| NL211372A (enExample) | |
| CH339994A (fr) | 1959-07-31 |
| CH334124A (fr) | 1958-11-15 |
| DE1043534B (de) | 1958-11-13 |
| BE550196A (enExample) |
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