JPS6488307A - Oxide film measuring instrument for fuel channel - Google Patents
Oxide film measuring instrument for fuel channelInfo
- Publication number
- JPS6488307A JPS6488307A JP62248904A JP24890487A JPS6488307A JP S6488307 A JPS6488307 A JP S6488307A JP 62248904 A JP62248904 A JP 62248904A JP 24890487 A JP24890487 A JP 24890487A JP S6488307 A JPS6488307 A JP S6488307A
- Authority
- JP
- Japan
- Prior art keywords
- film thickness
- measurement
- sensor
- fuel channel
- oxide film
- 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
Abstract
PURPOSE:To accurately and easily perform measurement at many measurement points in a short time by holding a film thickness measurement sensor by holders provided on respective side walls of a support frame into which the fuel channel is inserted vertically. CONSTITUTION:The fuel channel NC2 is lowered by a suspender 12 and inserted into the support frame 3, and then the channel is stopped at a specific measurement position; and a cylinder body 8 is moved forth by being driven by an air cylinder 6 to press the tip part of the film thickness measurement sensor 5 against the external surface of the NC2 through compression springs 44 and 43, etc. Then the thickness of the oxide film of the NC2 is measured by eight sensors 5 arranged in a circumferential direction at the same time under the control of a controller 13. Then the sensors 5 are moved back 6, the NC2 is moved 12 up and down to a next measurement position, and film thickness measurement 5 is performed similarly. Similarly, the film thickness measurement is performed at eight positions in the same direction at the same time by each lengthwise position of the NC2. Thus, the tip of the sensor 5 slants so as to come into surface contact with the external surface of the NC2 and is pressed almost constantly to measure the film thickness by each sensor 5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62248904A JPS6488307A (en) | 1987-09-30 | 1987-09-30 | Oxide film measuring instrument for fuel channel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62248904A JPS6488307A (en) | 1987-09-30 | 1987-09-30 | Oxide film measuring instrument for fuel channel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6488307A true JPS6488307A (en) | 1989-04-03 |
Family
ID=17185161
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP62248904A Pending JPS6488307A (en) | 1987-09-30 | 1987-09-30 | Oxide film measuring instrument for fuel channel |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6488307A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05232286A (en) * | 1992-02-18 | 1993-09-07 | Nuclear Fuel Ind Ltd | Measuring apparatus of dimensions of channel box |
| JP2019168341A (en) * | 2018-03-23 | 2019-10-03 | 中国電力株式会社 | Film thickness meter alignment jig |
| JP2019168340A (en) * | 2018-03-23 | 2019-10-03 | 中国電力株式会社 | Film thickness gauge alignment jig |
-
1987
- 1987-09-30 JP JP62248904A patent/JPS6488307A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05232286A (en) * | 1992-02-18 | 1993-09-07 | Nuclear Fuel Ind Ltd | Measuring apparatus of dimensions of channel box |
| JP2019168341A (en) * | 2018-03-23 | 2019-10-03 | 中国電力株式会社 | Film thickness meter alignment jig |
| JP2019168340A (en) * | 2018-03-23 | 2019-10-03 | 中国電力株式会社 | Film thickness gauge alignment jig |
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