GB1188086A - Improvements relating to Nuclear Reactors - Google Patents

Improvements relating to Nuclear Reactors

Info

Publication number
GB1188086A
GB1188086A GB07675/68A GB1767568A GB1188086A GB 1188086 A GB1188086 A GB 1188086A GB 07675/68 A GB07675/68 A GB 07675/68A GB 1767568 A GB1767568 A GB 1767568A GB 1188086 A GB1188086 A GB 1188086A
Authority
GB
United Kingdom
Prior art keywords
tubs
water
control rods
april
core
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
Application number
GB07675/68A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Combustion Engineering Inc
Original Assignee
Combustion Engineering Inc
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Combustion Engineering Inc filed Critical Combustion Engineering Inc
Publication of GB1188086A publication Critical patent/GB1188086A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21C—NUCLEAR REACTORS
    • G21C1/00—Reactor types
    • G21C1/04—Thermal reactors ; Epithermal reactors
    • G21C1/06—Heterogeneous reactors, i.e. in which fuel and moderator are separated
    • G21C1/08—Heterogeneous reactors, i.e. in which fuel and moderator are separated moderator being highly pressurised, e.g. boiling water reactor, integral super-heat reactor, pressurised water reactor
    • G—PHYSICS
    • G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21C—NUCLEAR REACTORS
    • G21C15/00—Cooling arrangements within the pressure vessel containing the core; Selection of specific coolants
    • G21C15/02—Arrangements or disposition of passages in which heat is transferred to the coolant; Coolant flow control devices
    • 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
    • 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
    • G21C3/328—Relative disposition of the elements in the bundle lattice
    • 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
    • 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)
  • Structure Of Emergency Protection For Nuclear Reactors (AREA)
  • Monitoring And Testing Of Nuclear Reactors (AREA)

Abstract

1,188,086. Reactors. COMBUSTION ENG. Inc. 11 April, 1968 [14 April, 1967], No. 17675/68. Heading G6E. In a pressurized water reactor, having control rods movable axially in the core, a transverse flow of water is effected in those regions of the core where there is an excess of moderator material. The departure from nucleate boiling is limited and the enthalpy reduced in high power density regions. The fuel rods, 146, are supported in the grids, 150, together with the tubs 156, which accommodate the control rods 166. The latter are mounted on the spider, 168, within the shroud 178, and when withdrawn to the ends of tubs 156 the presence of water within the tubs causes a power peak to be developed near the tubs. To reduce the entholpy the holes 139, are provided in 156, so as to project water laterally into the region of high power density. In an alternative form, the control rods may have a cruciform cross-section and the coolant cross-flow is introduced from slotted tubs disposed among the fuel rods.
GB07675/68A 1967-04-14 1968-04-11 Improvements relating to Nuclear Reactors Expired GB1188086A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US63098667A 1967-04-14 1967-04-14

Publications (1)

Publication Number Publication Date
GB1188086A true GB1188086A (en) 1970-04-15

Family

ID=24529353

Family Applications (1)

Application Number Title Priority Date Filing Date
GB07675/68A Expired GB1188086A (en) 1967-04-14 1968-04-11 Improvements relating to Nuclear Reactors

Country Status (4)

Country Link
JP (1) JPS4824998B1 (en)
CH (1) CH472093A (en)
FR (1) FR1560776A (en)
GB (1) GB1188086A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2140606A (en) * 1983-04-29 1984-11-28 Westinghouse Electric Corp Calandria

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE334955B (en) * 1970-06-18 1971-05-10 Asea Atom Ab
SE424237B (en) * 1980-10-29 1982-07-05 Asea Atom Ab FUEL ELEMENT FOR A COOKING REACTOR
DE3309449A1 (en) * 1983-03-16 1984-09-20 Kraftwerk Union AG, 4330 Mülheim FUEL ELEMENT WITH SQUARE CROSS-SECTION FOR WATER-COOLED CORE REACTORS

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2140606A (en) * 1983-04-29 1984-11-28 Westinghouse Electric Corp Calandria

Also Published As

Publication number Publication date
FR1560776A (en) 1969-03-21
DE1639170B1 (en) 1971-03-18
CH472093A (en) 1969-04-30
JPS4824998B1 (en) 1973-07-25

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Legal Events

Date Code Title Description
PS Patent sealed
PLNP Patent lapsed through nonpayment of renewal fees