JPS60156493U - nuclear fuel assembly - Google Patents
nuclear fuel assemblyInfo
- Publication number
- JPS60156493U JPS60156493U JP1984044084U JP4408484U JPS60156493U JP S60156493 U JPS60156493 U JP S60156493U JP 1984044084 U JP1984044084 U JP 1984044084U JP 4408484 U JP4408484 U JP 4408484U JP S60156493 U JPS60156493 U JP S60156493U
- Authority
- JP
- Japan
- Prior art keywords
- fuel
- outer diameter
- section
- fuel assembly
- core
- 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
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
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は従来の核燃料集合体を示す横断面図、第２図は
第１図における核燃料集合体の高速中性子照射量の増加
に伴う燃料棒束とラッパ管の径方向膨張量を示す曲線図
、第３図は第２図におけるラッパ管と燃料棒束との長さ
を部分的に示す平面図、第４図は本考案に係る核燃料集
合体の一実施例を要部のみ示す立面図、第５図は第４図
の平面歯、第６図は核燃料集合体の製作時及び照射末期
におけるラッパ管の横断面変化図である。
１・・・ラッパ管、２・・・燃料棒、３・・・ワイヤ、
４・・・細径燃料棒、５・・・中空管、６・・・ラッパ
管の製作時の内面、７・・・ラッパ管の寿命末期の内面
。Figure 1 is a cross-sectional view showing a conventional nuclear fuel assembly, and Figure 2 is a curve diagram showing the amount of radial expansion of the fuel rod bundle and trumpet tube as the amount of fast neutron irradiation increases in the nuclear fuel assembly in Figure 1. , FIG. 3 is a plan view partially showing the length of the trumpet tube and fuel rod bundle in FIG. 2, and FIG. 4 is an elevational view showing only the essential parts of an embodiment of the nuclear fuel assembly according to the present invention. , FIG. 5 is a planar tooth of FIG. 4, and FIG. 6 is a cross-sectional view of the trumpet tube at the time of manufacturing the nuclear fuel assembly and at the final stage of irradiation. 1...Trumpet tube, 2...Fuel rod, 3...Wire,
4...Small diameter fuel rod, 5...Hollow tube, 6...Inner surface of the trumpet tube at the time of manufacture, 7...Inner surface of the trumpet tube at the end of its life.
Claims (1)
心燃料部を該炉心燃料部より上下領域にブランケット燃
料部を有する多数本の燃料棒と、この燃料棒に巻回され
たスペーサワイヤとを有す・ る該燃料集合体において
、前記ラッパ管の六角断面の最長の対角線上に位置する
燃料棒の外径を他の燃料棒よりも細く形成し、かつこの
燃料棒の炉心燃料部を除いた他のブランケット燃料部分
に前記能の燃料棒の外径に前記スペーサワイヤの外径を
加えた太き今の外径を有する中空管をかぶせてなること
を特徴とする核燃料集合体。A large number of fuel rods each having a core fuel section in a central region incorporated in a wrapper tube having a hexagonal cross section and blanket fuel sections above and below the core fuel section, and a spacer wire wound around the fuel rods. In this fuel assembly, the outer diameter of the fuel rod located on the longest diagonal of the hexagonal cross section of the trumpet tube is formed to be smaller than that of other fuel rods, and the core fuel portion of this fuel rod is A nuclear fuel assembly characterized in that the remaining blanket fuel portion is covered with a hollow tube having a thick outer diameter equal to the outer diameter of the fuel rods plus the outer diameter of the spacer wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1984044084U JPS60156493U (en) | 1984-03-29 | 1984-03-29 | nuclear fuel assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1984044084U JPS60156493U (en) | 1984-03-29 | 1984-03-29 | nuclear fuel assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS60156493U true JPS60156493U (en) | 1985-10-18 |
Family
ID=30556342
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1984044084U Pending JPS60156493U (en) | 1984-03-29 | 1984-03-29 | nuclear fuel assembly |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60156493U (en) |
-
1984
- 1984-03-29 JP JP1984044084U patent/JPS60156493U/en active Pending
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