JPS59183694U - nuclear fuel elements - Google Patents
nuclear fuel elementsInfo
- Publication number
- JPS59183694U JPS59183694U JP1983077467U JP7746783U JPS59183694U JP S59183694 U JPS59183694 U JP S59183694U JP 1983077467 U JP1983077467 U JP 1983077467U JP 7746783 U JP7746783 U JP 7746783U JP S59183694 U JPS59183694 U JP S59183694U
- Authority
- JP
- Japan
- Prior art keywords
- nuclear fuel
- fuel
- hole
- fuel elements
- pellets
- 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図は応力腐食割れ発生条件を示す曲線図、第２図は
ヨウ素濃度の軸方向分布を示す曲線図、第３図はヨウ素
濃度の時間変化を示す曲線図、第４図は本考案の一実施
例の核燃料要素の縦断面図、第５図はヨウ素ゲッターを
コーティングし、壁面に開口をする円筒の外形図、第６
図は径方向に気体の通路を有する円環の外形図である。
１・・・ジルカロイ被覆管、２・・・燃料ペレット、３
・・・ペレットと被覆管とのギャップ、４・・・上部ガ
スプレナム、５・・・燃料ペレット中心孔、６・・・上
部端栓、７・・・下部端栓、８・・・円筒、９・・・ス
プリング、１０・・・円環、１１・・・核燃料要素。
茅５ 図
７Figure 1 is a curve diagram showing stress corrosion cracking occurrence conditions, Figure 2 is a curve diagram showing the axial distribution of iodine concentration, Figure 3 is a curve diagram showing the time change of iodine concentration, and Figure 4 is a curve diagram showing the axial distribution of iodine concentration. FIG. 5 is a vertical cross-sectional view of a nuclear fuel element according to an embodiment, and FIG.
The figure is an external view of a ring having a gas passage in the radial direction. 1... Zircaloy cladding tube, 2... Fuel pellets, 3
... Gap between pellet and cladding tube, 4... Upper gas plenum, 5... Fuel pellet center hole, 6... Upper end plug, 7... Lower end plug, 8... Cylinder, 9 ... Spring, 10 ... Annular ring, 11 ... Nuclear fuel element. Kaya 5 Figure 7
Claims (1)
孔を有する複数の燃料ペレットを収納した核燃料要素に
おいて、上記ジルカロイ管と燃料ペレット間の間隙から
燃料ペレット中心の貫通孔への通路を有する円環を核燃
料要素の軸方向複数の個所で燃料ペレット間に設置し、
内面にヨウ素吸着剤をコーティングし壁面に開口のある
円筒管を上記燃料ペレットおよび円環の貫通孔に挿入し
たことを特徴とする核燃料要素。In a nuclear fuel element in which a plurality of fuel pellets having a through hole at the center are housed in a Zircaloy tube whose both ends are sealed with end plugs, a circular ring having a passage from the gap between the Zircaloy tube and the fuel pellets to the through hole at the center of the fuel pellet. are placed between the fuel pellets at multiple locations in the axial direction of the nuclear fuel element,
A nuclear fuel element characterized in that a cylindrical tube whose inner surface is coated with an iodine adsorbent and whose wall surface is open is inserted into the fuel pellet and the through hole of the annular ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1983077467U JPS59183694U (en) | 1983-05-25 | 1983-05-25 | nuclear fuel elements |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1983077467U JPS59183694U (en) | 1983-05-25 | 1983-05-25 | nuclear fuel elements |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS59183694U true JPS59183694U (en) | 1984-12-06 |
Family
ID=30207494
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1983077467U Pending JPS59183694U (en) | 1983-05-25 | 1983-05-25 | nuclear fuel elements |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59183694U (en) |
-
1983
- 1983-05-25 JP JP1983077467U patent/JPS59183694U/en active Pending
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