JPH02120099U - - Google Patents
Info
- Publication number
- JPH02120099U JPH02120099U JP1989029889U JP2988989U JPH02120099U JP H02120099 U JPH02120099 U JP H02120099U JP 1989029889 U JP1989029889 U JP 1989029889U JP 2988989 U JP2988989 U JP 2988989U JP H02120099 U JPH02120099 U JP H02120099U
- Authority
- JP
- Japan
- Prior art keywords
- plenum spring
- end plug
- fuel rod
- plenum
- cladding tube
- 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
- 239000000446 fuel Substances 0.000 claims description 5
- 238000005253 cladding Methods 0.000 claims description 3
- 239000008188 pellet Substances 0.000 claims description 3
- 239000003758 nuclear fuel Substances 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 4
- 230000005496 eutectics Effects 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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
Description
第１図は本考案の燃料棒説明図、第２図は従来
の燃料棒説明図、第３図は従来の燃料棒で、プレ
ナムスプリングの座巻部が被覆管の内面に接触し
ている説明図、第４図は２つの異なる金属の融点
と共晶温度との関係図である。
１……プレナムスプリング、１１…プレナムス
プリングの座巻部、２……被覆管、３……上部端
栓、３１……端部、４……下部端栓、５……ＵＯ
２ペレツトスタツク、５１……ＵＯ２ペレツト、
６……溶接。
Fig. 1 is an explanatory diagram of the fuel rod of the present invention, Fig. 2 is an explanatory diagram of a conventional fuel rod, and Fig. 3 is an explanatory diagram of a conventional fuel rod, in which the end turn portion of the plenum spring is in contact with the inner surface of the cladding tube. FIG. 4 is a diagram showing the relationship between the melting point and eutectic temperature of two different metals. DESCRIPTION OF SYMBOLS 1... Plenum spring, 11... End turn portion of plenum spring, 2... Cladding tube, 3... Upper end plug, 31... End, 4... Lower end plug, 5... UO
2 pellet stack, 51...UO 2 pellets,
6...Welding.
Claims (1)
ムスプリングで抑えられたペレツトスタツクを有
する燃料棒において、上部端栓のプレナムスプリ
ングと接触する端部に球状の凹部を設け、プレナ
ムスプリングの座巻部先端が案内されるようにし
た構造を特徴とする軽水炉燃料集合体用燃料棒。 In a fuel rod having a pellet stack held down by a plenum spring in the cladding tube between the upper end plug and the lower end plug, a spherical recess is provided at the end of the upper end plug that contacts the plenum spring, and the end turn of the plenum spring is A fuel rod for a light water reactor fuel assembly characterized by a structure in which the tip of the section is guided.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989029889U JPH02120099U (en) | 1989-03-16 | 1989-03-16 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989029889U JPH02120099U (en) | 1989-03-16 | 1989-03-16 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02120099U true JPH02120099U (en) | 1990-09-27 |
Family
ID=31254490
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1989029889U Pending JPH02120099U (en) | 1989-03-16 | 1989-03-16 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02120099U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2016045095A (en) * | 2014-08-25 | 2016-04-04 | 株式会社グローバル・ニュークリア・フュエル・ジャパン | Fuel assembly |
-
1989
- 1989-03-16 JP JP1989029889U patent/JPH02120099U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2016045095A (en) * | 2014-08-25 | 2016-04-04 | 株式会社グローバル・ニュークリア・フュエル・ジャパン | Fuel assembly |
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