GB846865A - Improvements relating to nuclear reactors - Google Patents
Improvements relating to nuclear reactorsInfo
- Publication number
- GB846865A GB846865A GB29438/55A GB2943855A GB846865A GB 846865 A GB846865 A GB 846865A GB 29438/55 A GB29438/55 A GB 29438/55A GB 2943855 A GB2943855 A GB 2943855A GB 846865 A GB846865 A GB 846865A
- Authority
- GB
- United Kingdom
- Prior art keywords
- block
- blocks
- spacing
- growth
- channel
- 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
-
- C—CHEMISTRY; METALLURGY
- C30—CRYSTAL GROWTH
- C30B—SINGLE-CRYSTAL GROWTH; UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL OR UNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL; REFINING BY ZONE-MELTING OF MATERIAL; PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; APPARATUS THEREFOR
- C30B25/00—Single-crystal growth by chemical reaction of reactive gases, e.g. chemical vapour-deposition growth
- C30B25/02—Epitaxial-layer growth
- C30B25/04—Pattern deposit, e.g. by using masks
-
- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21C—NUCLEAR REACTORS
- G21C5/00—Moderator or core structure; Selection of materials for use as moderator
- G21C5/02—Details
- G21C5/08—Means for preventing undesired asymmetric expansion of the complete structure ; Stretching devices, pins
-
- 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
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Chemical Kinetics & Catalysis (AREA)
- High Energy & Nuclear Physics (AREA)
- General Engineering & Computer Science (AREA)
- Plasma & Fusion (AREA)
- General Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Measurement Of Radiation (AREA)
Abstract
846,865. Nuclear reactors. ENGLISH ELECTRIC CO. Ltd. Jan. 14, 1957 [Oct. 14, 1955], No. 29438/55. Class 39(4). [Also in Group X] A graphite block for a moderator structure comprises a channel 11 for fuel elements extending lengthwise of the block but offset diagonally from its centre. Thus when the blocks, having minimum rate of Wigner growth in their lengthwise direction, are assembled into the structure, Fig. 3, with spacing to allow transverse growth, a square lattice is provided without allowing a straight neutron path through the structure. To achieve this spacing, eight identical pins 14 are inserted in each block, each pin having a recessed end 18 into which the smaller end of a similar pin fits. These pins have minimum Wigner growth along their length. The corner 19 of each block remote from the fuel channel is chamfered to allow clearance. The fuel channel is aligned in adjacent blocks by a short graphite tube fitting in recesses 12. Vertical control rod channels are formed by milling out quadrants in the appropriate corners of certain blocks or by milling out semi-circular recesses in the sides of blocks.
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
BE559090D BE559090A (en) | 1955-10-14 | ||
GB29438/55A GB846865A (en) | 1955-10-14 | 1955-10-14 | Improvements relating to nuclear reactors |
FR1175779D FR1175779A (en) | 1955-10-14 | 1957-05-24 | Nuclear reactor |
US661893A US2998364A (en) | 1955-10-14 | 1957-05-27 | Improvements relating to moderator structures for nuclear reactors |
DEE14197A DE1099098B (en) | 1955-10-14 | 1957-05-28 | Moderator setup for a nuclear reactor |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB29438/55A GB846865A (en) | 1955-10-14 | 1955-10-14 | Improvements relating to nuclear reactors |
Publications (1)
Publication Number | Publication Date |
---|---|
GB846865A true GB846865A (en) | 1960-08-31 |
Family
ID=10291561
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB29438/55A Expired GB846865A (en) | 1955-10-14 | 1955-10-14 | Improvements relating to nuclear reactors |
Country Status (3)
Country | Link |
---|---|
BE (1) | BE559090A (en) |
FR (1) | FR1175779A (en) |
GB (1) | GB846865A (en) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BE571995A (en) * | 1957-10-22 | |||
LU37547A1 (en) * | 1958-08-21 | |||
FR1214246A (en) * | 1958-10-18 | 1960-04-07 | Commissariat Energie Atomique | New binding mode of the solid moderator of a vertical channel atomic reactor with a centered hexagonal lattice |
NL244365A (en) * | 1958-10-18 | |||
US3076753A (en) * | 1959-03-16 | 1963-02-05 | Havilland Engine Co Ltd | Nuclear reactor core |
NL129679C (en) * | 1960-03-11 | |||
GB908305A (en) * | 1960-07-01 | 1962-10-17 | Atomic Energy Authority Uk | Improvements in or relating to nuclear reactors |
NL266451A (en) * | 1960-07-04 |
-
0
- BE BE559090D patent/BE559090A/xx unknown
-
1955
- 1955-10-14 GB GB29438/55A patent/GB846865A/en not_active Expired
-
1957
- 1957-05-24 FR FR1175779D patent/FR1175779A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
BE559090A (en) | |
FR1175779A (en) | 1959-04-01 |
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