FR1215447A - Improvements to nuclear reactors - Google Patents

Improvements to nuclear reactors

Info

Publication number
FR1215447A
FR1215447A FR781251A FR781251A FR1215447A FR 1215447 A FR1215447 A FR 1215447A FR 781251 A FR781251 A FR 781251A FR 781251 A FR781251 A FR 781251A FR 1215447 A FR1215447 A FR 1215447A
Authority
FR
France
Prior art keywords
nuclear reactors
reactors
nuclear
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
FR781251A
Other languages
French (fr)
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.)
HAWKER SIDDELEY NUCLEAR POWER
Original Assignee
HAWKER SIDDELEY NUCLEAR POWER
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 HAWKER SIDDELEY NUCLEAR POWER filed Critical HAWKER SIDDELEY NUCLEAR POWER
Application granted granted Critical
Publication of FR1215447A publication Critical patent/FR1215447A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21C—NUCLEAR REACTORS
    • G21C9/00—Emergency protection arrangements structurally associated with the reactor, e.g. safety valves provided with pressure equalisation devices
    • G21C9/02—Means for effecting very rapid reduction of the reactivity factor under fault conditions, e.g. reactor fuse; Control elements having arrangements activated in an emergency
    • G21C9/033—Means for effecting very rapid reduction of the reactivity factor under fault conditions, e.g. reactor fuse; Control elements having arrangements activated in an emergency by an absorbent fluid
    • 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
    • G21C3/02—Fuel elements
    • G21C3/04—Constructional details
    • G21C3/16—Details of the construction within the casing
    • 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
    • G21C3/02—Fuel elements
    • G21C3/04—Constructional details
    • G21C3/16—Details of the construction within the casing
    • G21C3/18—Internal spacers or other non-active material within the casing, e.g. compensating for expansion of fuel rods or for compensating excess reactivity
    • 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
    • G—PHYSICS
    • G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21C—NUCLEAR REACTORS
    • G21C9/00—Emergency protection arrangements structurally associated with the reactor, e.g. safety valves provided with pressure equalisation devices
    • G21C9/02—Means for effecting very rapid reduction of the reactivity factor under fault conditions, e.g. reactor fuse; Control elements having arrangements activated in an emergency
    • G21C9/024—Rupture diaphragms
    • G—PHYSICS
    • G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21C—NUCLEAR REACTORS
    • G21C9/00—Emergency protection arrangements structurally associated with the reactor, e.g. safety valves provided with pressure equalisation devices
    • G21C9/02—Means for effecting very rapid reduction of the reactivity factor under fault conditions, e.g. reactor fuse; Control elements having arrangements activated in an emergency
    • G21C9/027—Means for effecting very rapid reduction of the reactivity factor under fault conditions, e.g. reactor fuse; Control elements having arrangements activated in an emergency by fast movement of a solid, e.g. pebbles
    • 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)
  • Supplying Secondary Fuel Or The Like To Fuel, Air Or Fuel-Air Mixtures (AREA)
  • Structure Of Emergency Protection For Nuclear Reactors (AREA)
FR781251A 1957-12-10 1958-12-10 Improvements to nuclear reactors Expired FR1215447A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB38365/57A GB866305A (en) 1957-12-10 1957-12-10 Improvements in and relating to nuclear reactors

Publications (1)

Publication Number Publication Date
FR1215447A true FR1215447A (en) 1960-04-19

Family

ID=10402994

Family Applications (1)

Application Number Title Priority Date Filing Date
FR781251A Expired FR1215447A (en) 1957-12-10 1958-12-10 Improvements to nuclear reactors

Country Status (3)

Country Link
DE (1) DE1102919B (en)
FR (1) FR1215447A (en)
GB (1) GB866305A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1200451B (en) * 1960-04-07 1965-09-09 Babcock & Wilcox Dampfkessel Device for the self-regulation of nuclear reactors
EP0483555A1 (en) * 1990-10-24 1992-05-06 ANSALDO S.p.A. An intrinsic arrangement for power stabilization in a thermal nuclear reactor

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1173813A (en) * 1966-05-06 1969-12-10 Gen Electric Canada Nuclear Reactor Control Using Neutron Absorption Fluid
US3464889A (en) * 1967-11-01 1969-09-02 Atomic Energy Commission Heat actuated control rod utilizing a cadmium-potassium mixture
DE3335888A1 (en) * 1983-10-03 1985-04-18 Kernforschungsanlage Jülich GmbH, 5170 Jülich METHOD FOR REDUCING THE REACTIVITY OF A GAS-COOLED BULLET HEAD REACTOR AND SHUT-OFF ELEMENT
DE3335839A1 (en) * 1983-10-03 1985-04-18 Kernforschungsanlage Jülich GmbH, 5170 Jülich METHOD FOR REDUCING REACTIVITY AND SWITCHING OFF A GAS-COOLED, GRAPHITE-MODERATED CORE REACTOR AND GRAPHITE ELEMENT WITH SHUTDOWN SUBSTANCE
EP0197291A1 (en) * 1985-03-04 1986-10-15 Andrzej Kamil Drukier An automatic system and a method for reactivity control in a nuclear reactor

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1200451B (en) * 1960-04-07 1965-09-09 Babcock & Wilcox Dampfkessel Device for the self-regulation of nuclear reactors
EP0483555A1 (en) * 1990-10-24 1992-05-06 ANSALDO S.p.A. An intrinsic arrangement for power stabilization in a thermal nuclear reactor

Also Published As

Publication number Publication date
GB866305A (en) 1961-04-26
DE1102919B (en) 1961-03-23

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