KR900702536A - Fuel element - Google Patents

Fuel element

Info

Publication number
KR900702536A
KR900702536A KR1019900701000A KR900701000A KR900702536A KR 900702536 A KR900702536 A KR 900702536A KR 1019900701000 A KR1019900701000 A KR 1019900701000A KR 900701000 A KR900701000 A KR 900701000A KR 900702536 A KR900702536 A KR 900702536A
Authority
KR
South Korea
Prior art keywords
fuel
fuel element
element according
spacers
concentrations
Prior art date
Application number
KR1019900701000A
Other languages
Korean (ko)
Inventor
페터 주히
Original Assignee
크리스트, 퀼
지멘스 악티엔게젤샤프트
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 크리스트, 퀼, 지멘스 악티엔게젤샤프트 filed Critical 크리스트, 퀼
Publication of KR900702536A publication Critical patent/KR900702536A/en

Links

Classifications

    • 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
    • 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)
  • Monitoring And Testing Of Nuclear Reactors (AREA)
  • Liquid Carbonaceous Fuels (AREA)
  • Devices And Processes Conducted In The Presence Of Fluids And Solid Particles (AREA)

Abstract

내용 없음No content

Description

연료요소Fuel element

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.

제1도는 가압수형 원자로의 연료요소를 나타낸 사시도이고, 제2도는 제1도에 따른 연료요소의 연료봉이며, 제3도의 곡선 D는 동일한 연료 농축을 가진 연료봉의 재킷튜브의 산화층 두께를 나타내고, 곡선 E는 2개의 스페이서 사이에 상이한 연료 농축을 가진 2개의 부분이 형성된 연료봉의 재킷튜브의 산화층 두께를 나타내며, 제4도는 2개의 스페이서 사이에 상이한 연료 농축을 가진 3개의 부분이 형성된 연료봉의 제2실시예이고, 제5도는 곡선 D는 동일한 연료 농축을 가진 연료봉의 재킷튜브의 산화층 두께를 나타내며, 곡선E는 스페이서 사이에 상이한 연료 농축을 가진 3개의 부분이 형성된 열료봉의 재킷튜브의 산화층 두께를 나타내고, 제6도는 단계적으로 변하는 연료농축을 가진 연료봉의 제3실시예이며, 제7도는 제6도에 따른 연료봉의 재킷튜브의 산화층의 두께를 나타낸 다이어그램이다.FIG. 1 is a perspective view showing a fuel element of a pressurized water reactor, FIG. 2 is a fuel rod of the fuel element according to FIG. 1, and curve D of FIG. 3 shows an oxide layer thickness of the jacket tube of the fuel rod having the same fuel concentration. E represents the oxide layer thickness of the jacket tube of the fuel rod having two portions with different fuel concentrations between the two spacers, and FIG. 4 shows a second embodiment of the fuel rods with three portions with different fuel concentrations between the two spacers. 5, curve D shows the oxide layer thickness of the jacket tube of the fuel rod with the same fuel concentration, curve E shows the oxide layer thickness of the jacket tube of the hot rod with three parts with different fuel concentration between the spacers, FIG. 6 is a third embodiment of a fuel rod having fuel concentrations that vary in stages, and FIG. 7 is a view of the jacket tube of the fuel rod according to FIG. A diagram showing a thickness of hwacheung.

Claims (5)

원자로용 연료요소에 있어서, 연료봉(2)이 스페이서(6 내지 10)에 의해 하나의 묶음으로 통합되고, 연료봉(2)내의 최소한 2개의 연이은 스페이서(9,10)사이에는 최고의 연료농축을 가진 부분(A)이 냉각제의 흐름방향(K)에서 보아 스페이서(9)의 높이에서 시작하도록, 최소한 2개의 상이한 연료농축을 가진 부분(A,B)이 형성되는 것을 특성으로 하는 연료요소.In a fuel element for a reactor, the fuel rods 2 are integrated into one bundle by spacers 6 to 10 and the portion with the highest fuel concentration between at least two successive spacers 9 and 10 in the fuel rod 2. A fuel element characterized in that portions (A, B) having at least two different fuel concentrations are formed such that (A) starts at the height of the spacer (9) as seen in the flow direction (K) of the coolant. 제1항에 있어서, 최고의 연료 농축을 가진 부분(1)이 스페이서(9)의 전방 모서리에 의해 형성되는 높이에서 시작하는 것을 특징으로 하는 연료요소.Fuel element according to claim 1, characterized in that the part (1) with the highest fuel concentration starts at a height defined by the front edge of the spacer (9). 제1항 또는 2항에 있어서, 2개의 스페이서(9,10)사이에 상이한 연료 농축을 가진3개의 부분(A,B,C)이 형성된 연료봉을 갖는 것을 특징으로 하는 연료요소.Fuel element according to claim 1 or 2, characterized in that it has a fuel rod formed with three portions (A, B, C) with different fuel concentrations between the two spacers (9, 10). 제1항 내지 3항중 어느 한 항에 있어서, 최고의 연료 농축을 가진 부분(A)이 스페이서(9)의 상부 모서리에 의해 형성된 높이에서 시작하는 것을 특징으로 하는 연료요소.4. Fuel element according to one of the preceding claims, characterized in that the part (A) with the highest fuel concentration starts at the height formed by the upper edge of the spacer (9). 제1항 내지 4항중 어느 한 항에 있어서, 상이한 연료 농축을 가진 연료펠릿(12)이 배치된 연료봉을 갖는 것을 특징으로 하는 연료요소Fuel element according to any of the preceding claims, characterized in that it has a fuel rod on which fuel pellets 12 with different fuel concentrations are arranged. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019900701000A 1988-09-14 1988-09-14 Fuel element KR900702536A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/DE1988/000572 WO1990003035A1 (en) 1988-09-14 1988-09-14 Fuel element

Publications (1)

Publication Number Publication Date
KR900702536A true KR900702536A (en) 1990-12-07

Family

ID=6819707

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019900701000A KR900702536A (en) 1988-09-14 1988-09-14 Fuel element

Country Status (5)

Country Link
EP (1) EP0400008A1 (en)
JP (1) JPH04500722A (en)
KR (1) KR900702536A (en)
ES (1) ES2019488A6 (en)
WO (1) WO1990003035A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19842486C2 (en) * 1998-09-16 2002-10-31 Siemens Ag Fuel element with a qualified distribution of fissile material in the fuel rod

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5149391A (en) * 1974-10-28 1976-04-28 Hitachi Ltd
JPS5829877B2 (en) * 1976-09-25 1983-06-25 株式会社日立製作所 Boiling water reactor core
JPS5829878B2 (en) * 1976-09-25 1983-06-25 株式会社日立製作所 fuel assembly
JPS5459594A (en) * 1977-10-21 1979-05-14 Hitachi Ltd Nuclear reactor

Also Published As

Publication number Publication date
ES2019488A6 (en) 1991-06-16
JPH04500722A (en) 1992-02-06
WO1990003035A1 (en) 1990-03-22
EP0400008A1 (en) 1990-12-05

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