WO1979000742A1 - Fuel assembly - Google Patents

Fuel assembly Download PDF

Info

Publication number
WO1979000742A1
WO1979000742A1 PCT/JP1979/000038 JP7900038W WO7900742A1 WO 1979000742 A1 WO1979000742 A1 WO 1979000742A1 JP 7900038 W JP7900038 W JP 7900038W WO 7900742 A1 WO7900742 A1 WO 7900742A1
Authority
WO
WIPO (PCT)
Prior art keywords
mean
axial direction
multiplication factor
fuel assembly
area
Prior art date
Application number
PCT/JP1979/000038
Other languages
English (en)
French (fr)
Inventor
J Yamashita
M Yokomi
T Kawai
Original Assignee
Hitachi Ltd
J Yamashita
M Yokomi
T Kawai
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 Hitachi Ltd, J Yamashita, M Yokomi, T Kawai filed Critical Hitachi Ltd
Publication of WO1979000742A1 publication Critical patent/WO1979000742A1/ja

Links

Classifications

    • G—PHYSICS
    • G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21C—NUCLEAR REACTORS
    • G21C7/00—Control of nuclear reaction
    • G21C7/005—Flux flattening
    • 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
    • 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
    • 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
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S376/00—Induced nuclear reactions: processes, systems, and elements
    • Y10S376/917—Utilizing different fuels or fuels in different forms, in different reactor regions in relation to amounts of heat produced in said regions

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)
  • Monitoring And Testing Of Nuclear Reactors (AREA)
  • Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
PCT/JP1979/000038 1978-03-13 1979-02-19 Fuel assembly WO1979000742A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP78/28911 1978-03-13
JP2891178A JPS54121389A (en) 1978-03-13 1978-03-13 Fuel assembly

Publications (1)

Publication Number Publication Date
WO1979000742A1 true WO1979000742A1 (en) 1979-10-04

Family

ID=12261575

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP1979/000038 WO1979000742A1 (en) 1978-03-13 1979-02-19 Fuel assembly

Country Status (3)

Country Link
US (1) US4483818A (ja)
JP (1) JPS54121389A (ja)
WO (1) WO1979000742A1 (ja)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS548289A (en) * 1977-06-20 1979-01-22 Hitachi Ltd Reactor
EP0065697B1 (en) * 1981-05-15 1985-09-11 Hitachi, Ltd. Fuel assembly
SE500900C2 (sv) * 1982-03-22 1994-09-26 Gen Electric Bränslepatron för kokvattenreaktor innehållande neutronabsorberande material
JPS59102188A (ja) * 1982-12-06 1984-06-13 株式会社東芝 燃料集合体
US4631166A (en) * 1984-05-11 1986-12-23 Westinghouse Electric Corp. High utilization fuel assembly
DE8630859U1 (ja) * 1986-11-18 1988-06-16 Siemens Ag, 1000 Berlin Und 8000 Muenchen, De
US5068082A (en) * 1987-07-18 1991-11-26 Kabushiki Kaisha Toshiba Fuel assembly for nuclear reactor
US5640435A (en) * 1988-01-14 1997-06-17 Hitachi, Ltd. Fuel assembly and nuclear reactor
US5617456A (en) * 1988-01-14 1997-04-01 Hitachi, Ltd. Fuel assembly and nuclear reactor
US5009837A (en) * 1989-11-03 1991-04-23 Westinghouse Electric Corp. Axially modular fuel assembly and rod for optimal fuel utilization
JP2002122687A (ja) * 2000-10-17 2002-04-26 Toshiba Corp 原子炉炉心および原子炉運転方法
US20090323881A1 (en) * 2003-02-25 2009-12-31 Dauvergne Hector A Reactor geometry and dry confinement for a nuclear reactor enabling the racquetball effect of neutron conservation dry confinement to be supported by the four-factor and six-factor formula

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3145149A (en) * 1958-11-04 1964-08-18 Gen Electric Boiling nuclear reactor and fuel element therefor
JPS4981796A (ja) * 1972-12-13 1974-08-07
JPS5340188A (en) * 1976-09-25 1978-04-12 Hitachi Ltd Fuel assembly
JPS548289A (en) * 1977-06-20 1979-01-22 Hitachi Ltd Reactor

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5341972B2 (ja) * 1973-06-07 1978-11-08
JPS50112692A (ja) * 1974-02-18 1975-09-04
JPS5189991A (ja) * 1975-02-05 1976-08-06
JPS5829877B2 (ja) * 1976-09-25 1983-06-25 株式会社日立製作所 沸騰水型原子炉の炉心

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3145149A (en) * 1958-11-04 1964-08-18 Gen Electric Boiling nuclear reactor and fuel element therefor
JPS4981796A (ja) * 1972-12-13 1974-08-07
JPS5340188A (en) * 1976-09-25 1978-04-12 Hitachi Ltd Fuel assembly
JPS548289A (en) * 1977-06-20 1979-01-22 Hitachi Ltd Reactor

Also Published As

Publication number Publication date
JPS54121389A (en) 1979-09-20
US4483818A (en) 1984-11-20
JPS6129478B2 (ja) 1986-07-07

Similar Documents

Publication Publication Date Title
WO1979000742A1 (en) Fuel assembly
SE7710681L (sv) Kernbrenslepatron
JPS5687895A (en) Spacer grid in reactor fuel assembly
GB2060527B (en) Fuel tank filler pipe and assembly
DE2960932D1 (en) Nuclear reactor fuel assembly
JPS5574488A (en) Nuclear fuel assembly
JPS5530147A (en) Pair cell
ES8705141A1 (es) Un conjunto de combustible fertil para uso en un nucleo de reactor nuclear
ES8703033A1 (es) Conjunto de combustible para reactor nuclear
JPS5344795A (en) Fuel assembly
JPS5527966A (en) Nuclear fuel assembly
JPS5357388A (en) Nuclear reactor
JPS5442588A (en) Fuel assembly
JPS54142492A (en) Atomic reactor
JPS5560895A (en) Nuclear fuel assembly
JPS5512442A (en) Nuclear fuel assembly
CA2025713A1 (en) Pressure-tube type heavy-water moderated nuclear reactor
JPS57178121A (en) Absolute pressure transmission device
JPS5372986A (en) Nuclear reactor
Ulrich et al. Erratum-the Solar Gravitational Figure-j2 and J4
JPS5465287A (en) Nuclear reactor
JPS5261697A (en) Fuel assembly for pressure tube type heavy water nuclear reactor
JPS5412092A (en) Nuclear fuel element
JPS54135999A (en) Channel box disposing method of reactor fuel
JPS54132098A (en) Nuclear fuel assembly

Legal Events

Date Code Title Description
AK Designated states

Designated state(s): DE SE US

AL Designated countries for regional patents

Designated state(s): FR