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JPS5453790A - Nuclear fuel element - Google Patents

Nuclear fuel element

Info

Publication number
JPS5453790A
JPS5453790A JP11994177A JP11994177A JPS5453790A JP S5453790 A JPS5453790 A JP S5453790A JP 11994177 A JP11994177 A JP 11994177A JP 11994177 A JP11994177 A JP 11994177A JP S5453790 A JPS5453790 A JP S5453790A
Authority
JP
Japan
Prior art keywords
cladding tube
fuel
fuel pellet
pellet
thermal
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.)
Pending
Application number
JP11994177A
Other languages
Japanese (ja)
Inventor
Toshio Suzuki
Akira Kawahara
Toshihiko Sugizaki
Tetsuo Horiuchi
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.)
Hitachi Ltd
Original Assignee
Hitachi Ltd
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 filed Critical Hitachi Ltd
Priority to JP11994177A priority Critical patent/JPS5453790A/en
Publication of JPS5453790A publication Critical patent/JPS5453790A/en
Pending legal-status Critical Current

Links

Classifications

    • 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

  • Monitoring And Testing Of Nuclear Reactors (AREA)

Abstract

PURPOSE: To minimize thermal cladding tube deformation caused by thermal expansion of fuel pellet by applying a certian pressure to the inside of cladding tube of nuclear fuel element (fuel rod) to increase coefficient of overall heat transmission between cladding tube and fuel pellet.
CONSTITUTION: Fuel pellet 2 of heating element is inserted into cladding tube 3, the top and bottom end of cladding tube 3 being welded to seal with the end plugs 4. The top section of fuel rod 1 provides air space called plenum 5 for holding fission gas, air space of which contains plenum spring 6 for imposing on fuel pellet 2. Good thermal conductivity inert gas is sealed within the fuel rod 1 under initial pressure of more than 1.5 atmospheric pressure and less than 4 atmospheric pressure at ambient temperature as a thermal media between fuel pellet 2 and cladding tube 3
COPYRIGHT: (C)1979,JPO&Japio
JP11994177A 1977-10-07 1977-10-07 Nuclear fuel element Pending JPS5453790A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11994177A JPS5453790A (en) 1977-10-07 1977-10-07 Nuclear fuel element

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11994177A JPS5453790A (en) 1977-10-07 1977-10-07 Nuclear fuel element

Publications (1)

Publication Number Publication Date
JPS5453790A true JPS5453790A (en) 1979-04-27

Family

ID=14773952

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11994177A Pending JPS5453790A (en) 1977-10-07 1977-10-07 Nuclear fuel element

Country Status (1)

Country Link
JP (1) JPS5453790A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58186081A (en) * 1982-04-23 1983-10-29 株式会社日立製作所 nuclear fuel assembly

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5043391A (en) * 1973-08-22 1975-04-19

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5043391A (en) * 1973-08-22 1975-04-19

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58186081A (en) * 1982-04-23 1983-10-29 株式会社日立製作所 nuclear fuel assembly
JPH0315718B2 (en) * 1982-04-23 1991-03-01 Hitachi Ltd

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