JPH032297U - - Google Patents
Info
- Publication number
- JPH032297U JPH032297U JP1989062137U JP6213789U JPH032297U JP H032297 U JPH032297 U JP H032297U JP 1989062137 U JP1989062137 U JP 1989062137U JP 6213789 U JP6213789 U JP 6213789U JP H032297 U JPH032297 U JP H032297U
- Authority
- JP
- Japan
- Prior art keywords
- chamfered
- lower nozzle
- fuel assembly
- water flow
- flow hole
- 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
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 6
- 239000000446 fuel Substances 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 3
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
- Nozzles (AREA)
Description
第１図は本考案の下部ノズル流水孔の断面形状
説明図、第２図、第３図はそれぞれ下部ノズルの
下面のみ面取りした流水孔の断面図、上、下面と
も面取りしていない流水孔の断面図、第４図は下
部ノズルの説明図で、イは側面図、ロは下面図、
第５図は燃料集合体の説明図である。
１……燃料集合体、２……燃料棒、３……制御
棒案内管、４……支持格子、５……上部ノズル、
６……下部ノズル、７……流水孔、８……制御棒
案内管の固定孔、９……位置決めピン用孔、…
…面取り長。
Figure 1 is an explanatory diagram of the cross-sectional shape of the lower nozzle water hole of the present invention, Figures 2 and 3 are cross-sectional views of the water flow hole where only the lower surface of the lower nozzle is chamfered, and the water flow hole where both the upper and lower surfaces are not chamfered. 4 is an explanatory diagram of the lower nozzle, A is a side view, B is a bottom view,
FIG. 5 is an explanatory diagram of the fuel assembly. DESCRIPTION OF SYMBOLS 1...Fuel assembly, 2...Fuel rod, 3...Control rod guide tube, 4...Support grid, 5...Upper nozzle,
6...Lower nozzle, 7...Water hole, 8...Control rod guide tube fixing hole, 9...Positioning pin hole,...
... Chamfer length.
Claims (1)
部ノズルの流水孔の上面および下面を少なくとも
長さ１mm以上面取りしたことを特徴とする加圧水
型原子炉用燃料集合体。 A fuel assembly for a pressurized water nuclear reactor, characterized in that the upper and lower surfaces of the water flow hole of the lower nozzle are chamfered to a length of at least 1 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989062137U JPH032297U (en) | 1989-05-29 | 1989-05-29 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989062137U JPH032297U (en) | 1989-05-29 | 1989-05-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH032297U true JPH032297U (en) | 1991-01-10 |
Family
ID=31591013
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1989062137U Pending JPH032297U (en) | 1989-05-29 | 1989-05-29 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH032297U (en) |
-
1989
- 1989-05-29 JP JP1989062137U patent/JPH032297U/ja active Pending