JPH0372397U - - Google Patents

Info

Publication number
JPH0372397U
JPH0372397U JP1989132532U JP13253289U JPH0372397U JP H0372397 U JPH0372397 U JP H0372397U JP 1989132532 U JP1989132532 U JP 1989132532U JP 13253289 U JP13253289 U JP 13253289U JP H0372397 U JPH0372397 U JP H0372397U
Authority
JP
Japan
Prior art keywords
lower nozzle
flow path
fuel assembly
nuclear fuel
passage holes
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
JP1989132532U
Other languages
English (en)
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 filed Critical
Priority to JP1989132532U priority Critical patent/JPH0372397U/ja
Publication of JPH0372397U publication Critical patent/JPH0372397U/ja
Pending legal-status Critical Current

Links

Classifications

    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E30/00Energy generation of nuclear origin
    • Y02E30/30Nuclear fission reactors

Landscapes

  • Nozzles (AREA)

Description

【図面の簡単な説明】
第1図は本考案の下部ノズルにおける流路穴を
示す縦断面図、第2図は本考案による下部ノズル
の一部を示す平面図、第3図は流路穴の入口部の
テーパ角と圧力損失係数との関係を示すグラフ、
第4図は流路穴の出口部のテーパ角、流路面積比
及び圧力損失係数の関係を示すグラフ、第5図は
従来一般の核燃料集合体を示す側面図、第6図は
従来一般の下部ノズルの一部を示す平面図、第7
図は第6図の下部ノズルにおける流路穴を示す縦
断面図である。図中、 1……核燃料集合体、2……燃料棒、3……支
持格子、6……下部ノズル、10……流路穴。

Claims (1)

    【実用新案登録請求の範囲】
  1. 冷却水流通用の流路穴が多数形成されている核
    燃料集合体用の下部ノズルにおいて、前記流路穴
    の横断面を、支持格子の各セルとそこに挿通支持
    される燃料棒との間で画成される流路と等価なも
    のとし、且つ、前記流路穴の入口部及び出口部の
    それぞれに所定角度のテーパを設けたことを特徴
    とする核燃料集合体用の下部ノズル。
JP1989132532U 1989-11-16 1989-11-16 Pending JPH0372397U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1989132532U JPH0372397U (ja) 1989-11-16 1989-11-16

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1989132532U JPH0372397U (ja) 1989-11-16 1989-11-16

Publications (1)

Publication Number Publication Date
JPH0372397U true JPH0372397U (ja) 1991-07-22

Family

ID=31679985

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1989132532U Pending JPH0372397U (ja) 1989-11-16 1989-11-16

Country Status (1)

Country Link
JP (1) JPH0372397U (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008020804A (ja) * 2006-07-14 2008-01-31 Pentax Service Co Ltd 撮影装置用清掃器具

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008020804A (ja) * 2006-07-14 2008-01-31 Pentax Service Co Ltd 撮影装置用清掃器具

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