JPS6072592U - nuclear fuel assembly - Google Patents
nuclear fuel assemblyInfo
- Publication number
- JPS6072592U JPS6072592U JP1983163338U JP16333883U JPS6072592U JP S6072592 U JPS6072592 U JP S6072592U JP 1983163338 U JP1983163338 U JP 1983163338U JP 16333883 U JP16333883 U JP 16333883U JP S6072592 U JPS6072592 U JP S6072592U
- Authority
- JP
- Japan
- Prior art keywords
- nuclear fuel
- fuel assembly
- inner diameter
- water rod
- utility
- 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図は軸方向−領域炉上の制御棒全引抜き状態での炉
心平均軸方向におけるボイド率分布と出力ビーキングと
を示す特性曲線図、第２図は第１図の炉心の下方から浅
く制御棒を挿入した時の制御棒近棒の核燃料集合体の軸
方向出力分布を示す特性曲線図、第３図は出力ピークの
位置のガドリニア入り燃料棒の本数をふやした場合の出
力分布を示す特性曲線図、第４図は本考案の一実施例の
縦断面図、第５図は第４図のウォータロッドの縦断面図
ぐ第６図ａおよびｂはそれぞれ第４図のＩ−■線および
■−■線に沿う断面図、第７図は従来の核燃料集合体と
本考案の一実施例の軸方向出力分布を示す特性曲線図で
ある。
１・・・燃料集合体、２・・・チャンネルボックス、３
・・・燃料棒、８・・・ウォータロッド、９・・・スペ
ーサ。Figure 1 is a characteristic curve diagram showing the void fraction distribution and power peaking in the average axial direction of the core when the control rods on the axial-area reactor are fully withdrawn, and Figure 2 is a diagram showing shallow control from the bottom of the core in Figure 1. A characteristic curve diagram showing the axial power distribution of the nuclear fuel assembly near the control rod when the rod is inserted. Figure 3 shows the power distribution when the number of fuel rods containing gadolinia at the position of the power peak is increased. 4 is a longitudinal cross-sectional view of an embodiment of the present invention, FIG. 5 is a longitudinal cross-sectional view of the water rod of FIG. 4, and FIG. FIG. 7 is a cross-sectional view taken along line 1--2, and is a characteristic curve diagram showing the axial power distribution of a conventional nuclear fuel assembly and an embodiment of the present invention. 1...Fuel assembly, 2...Channel box, 3
...Fuel rod, 8...Water rod, 9...Spacer.
Claims (3)
沸騰水形原子炉の核燃料集合体において、該核燃料集合
体の中央部に配置されるウォータロッドの外径を一定と
し、その内径を軸方向で変化させていることを特徴とす
る核燃料集合体。(1) In a nuclear fuel assembly for a boiling water reactor in which a plurality of nuclear fuel elements are arranged in a square lattice, the outer diameter of the water rod placed in the center of the nuclear fuel assembly is constant, and the inner diameter A nuclear fuel assembly characterized by changing in the axial direction.
太き（している実用新案登録請求の範囲第１項記載の核
燃料集合体。(2) The nuclear fuel assembly according to claim 1, wherein the upper inner diameter of the water rod is larger than the lower inner diameter thereof.
倍以上である実用新案登録請求の範囲第１項記載の核燃
料集合体。(3) The inner diameter of the upper part of the water rod is 2
The nuclear fuel assembly according to claim 1 of the utility model registration claim, which is more than twice as large.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1983163338U JPS6072592U (en) | 1983-10-24 | 1983-10-24 | nuclear fuel assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1983163338U JPS6072592U (en) | 1983-10-24 | 1983-10-24 | nuclear fuel assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6072592U true JPS6072592U (en) | 1985-05-22 |
Family
ID=30358431
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1983163338U Pending JPS6072592U (en) | 1983-10-24 | 1983-10-24 | nuclear fuel assembly |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6072592U (en) |
-
1983
- 1983-10-24 JP JP1983163338U patent/JPS6072592U/en active Pending
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