KR950006881A - 냉각수 압력강하 감소용 천이편을 갖춘 하부유입 연료 조립체를 개조하는 방법 및 이에 사용되는 삽입물 - Google Patents
냉각수 압력강하 감소용 천이편을 갖춘 하부유입 연료 조립체를 개조하는 방법 및 이에 사용되는 삽입물 Download PDFInfo
- Publication number
- KR950006881A KR950006881A KR1019940020728A KR19940020728A KR950006881A KR 950006881 A KR950006881 A KR 950006881A KR 1019940020728 A KR1019940020728 A KR 1019940020728A KR 19940020728 A KR19940020728 A KR 19940020728A KR 950006881 A KR950006881 A KR 950006881A
- Authority
- KR
- South Korea
- Prior art keywords
- transition piece
- insert
- orifice
- fluid flow
- diameter
- 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.)
- Withdrawn
Links
- 239000000446 fuel Substances 0.000 title claims abstract description 7
- 230000007704 transition Effects 0.000 title claims abstract 24
- 238000000034 method Methods 0.000 title claims abstract 12
- 239000002826 coolant Substances 0.000 title claims abstract 4
- 238000009420 retrofitting Methods 0.000 title claims abstract 3
- 239000012530 fluid Substances 0.000 claims abstract 8
- 239000007788 liquid Substances 0.000 claims abstract 3
- 239000003758 nuclear fuel Substances 0.000 claims abstract 3
- 238000003754 machining Methods 0.000 claims abstract 2
- 238000002347 injection Methods 0.000 claims 2
- 239000007924 injection Substances 0.000 claims 2
- 238000003780 insertion Methods 0.000 claims 1
- 230000037431 insertion Effects 0.000 claims 1
- 238000009423 ventilation Methods 0.000 claims 1
Classifications
-
- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21C—NUCLEAR REACTORS
- G21C3/00—Reactor fuel elements and their assemblies; Selection of substances for use as reactor fuel elements
- G21C3/30—Assemblies of a number of fuel elements in the form of a rigid unit
- G21C3/32—Bundles of parallel pin-, rod-, or tube-shaped fuel elements
- G21C3/334—Assembling, maintenance or repair of the bundles
-
- 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
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Plasma & Fusion (AREA)
- General Engineering & Computer Science (AREA)
- High Energy & Nuclear Physics (AREA)
- Monitoring And Testing Of Nuclear Reactors (AREA)
- Fuel-Injection Apparatus (AREA)
- Jet Pumps And Other Pumps (AREA)
- Structure Of Emergency Protection For Nuclear Reactors (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US8/110,642 | 1993-08-23 | ||
| US08/110,642 US5383227A (en) | 1993-08-23 | 1993-08-23 | Method for modifying existing transition pieces in bottom entry nuclear fuel assemblies for reducing coolant pressure drop |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| KR950006881A true KR950006881A (ko) | 1995-03-21 |
Family
ID=22334124
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1019940020728A Withdrawn KR950006881A (ko) | 1993-08-23 | 1994-08-23 | 냉각수 압력강하 감소용 천이편을 갖춘 하부유입 연료 조립체를 개조하는 방법 및 이에 사용되는 삽입물 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US5383227A (enExample) |
| EP (1) | EP0640989A1 (enExample) |
| JP (1) | JPH0763867A (enExample) |
| KR (1) | KR950006881A (enExample) |
| CA (1) | CA2130501A1 (enExample) |
| TW (1) | TW252203B (enExample) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6434209B1 (en) | 1999-09-27 | 2002-08-13 | Atomic Energy Of Canada Limited/Energie | Critical power enhancement system for a pressurized fuel channel type nuclear reactor using alignment of fuel bundle pairs |
| KR100727503B1 (ko) * | 1999-09-27 | 2007-06-12 | 아토믹 에너지 오브 캐나다 리미티드 | 핵연료 다발 쌍의 정렬을 사용하는 가압 핵연료 채널형 원자로를 위한 임계 출력 향상 시스템 |
Family Cites Families (34)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US675154A (en) * | 1900-04-28 | 1901-05-28 | Sheridan Philip Heep | Picture-hanging device. |
| US2990349A (en) * | 1955-09-12 | 1961-06-27 | Walter G Roman | Reactor |
| BE567472A (enExample) * | 1957-05-14 | |||
| BE573083A (enExample) * | 1957-11-18 | |||
| US3127320A (en) * | 1958-05-03 | 1964-03-31 | Cell for vertical channel nuclear reactor | |
| US3099616A (en) * | 1958-08-06 | 1963-07-30 | Rolls Royce | Steam cooled reactor and fuel channel |
| US3060111A (en) * | 1959-08-14 | 1962-10-23 | Sherman Jerome | Nuclear reactor |
| NL122832C (enExample) * | 1960-11-17 | |||
| US3161571A (en) * | 1960-11-21 | 1964-12-15 | Joseph M Harrer | Boiling-water nuclear reactor |
| FR1364645A (fr) * | 1963-04-05 | 1964-06-26 | Grenobloise Etude Appl | Perfectionnements aux réacteurs nucléaires du type piscine |
| NL7011955A (enExample) * | 1969-08-15 | 1971-02-17 | ||
| FR2079834A5 (enExample) * | 1970-02-13 | 1971-11-12 | Commissariat Energie Atomique | |
| FR2136901B1 (enExample) * | 1971-05-07 | 1975-02-21 | Commissariat Energie Atomique | |
| US3873419A (en) * | 1972-07-03 | 1975-03-25 | Rockwell International Corp | Flow-throttling orifice nozzle |
| SE419006B (sv) * | 1979-10-30 | 1981-07-06 | Asea Atom Ab | Kokarreaktor med diffusor i brenslepatroner |
| SE424237B (sv) * | 1980-10-29 | 1982-07-05 | Asea Atom Ab | Brensleelement for en kokarreaktor |
| US4348353A (en) * | 1980-11-12 | 1982-09-07 | The United States Of America As Represented By The United States Department Of Energy | Nuclear reactor fuel assembly duct-tube-to-inlet-nozzle attachment system |
| US4366116A (en) * | 1981-03-05 | 1982-12-28 | The United States Of America As Represented By The United States Department Of Energy | Nuclear reactor fuel assembly duct-tube-to-handling-socket attachment system |
| US4420458A (en) * | 1981-04-29 | 1983-12-13 | General Electric Company | Nuclear fuel assembly with coolant conducting tube |
| SE426271B (sv) * | 1981-05-04 | 1982-12-20 | Asea Atom Ab | Kernbrenslepatron |
| SE426530B (sv) * | 1981-05-15 | 1983-01-24 | Asea Atom Ab | Brenslepatron avsedd for en kokvattenreaktor |
| JPS58142292A (ja) * | 1982-02-19 | 1983-08-24 | 株式会社日立製作所 | 燃料棒 |
| US4560532A (en) * | 1982-04-15 | 1985-12-24 | Westinghouse Electric Corp. | Nuclear fuel assembly |
| SE437738B (sv) * | 1983-08-04 | 1985-03-11 | Asea Atom Ab | Brenslepatron for en kokvattenreaktor |
| SE440290B (sv) * | 1983-11-30 | 1985-07-22 | Asea Atom Ab | Brenslepatron avsedd for en kernreaktor |
| US4724904A (en) * | 1984-11-23 | 1988-02-16 | Westinghouse Electric Corp. | Nuclear steam generator tube orifice for primary temperature reduction |
| FR2585499B1 (fr) * | 1985-07-29 | 1989-10-27 | Fragema Framatome & Cogema | Dispositif de maintien hydraulique pour assemblage combustible nucleaire et reacteur nucleaire en comportant application |
| US4654194A (en) * | 1985-09-09 | 1987-03-31 | The United States Of America As Represented By The United States Department Of Energy | Inlet nozzle assembly |
| US4708846A (en) * | 1986-04-10 | 1987-11-24 | Exxon Nuclear Company, Inc. | BWR critical-power-enhancing water rod (85-EN-3) |
| FR2625596B1 (fr) * | 1987-12-31 | 1991-10-18 | Commissariat Energie Atomique | Assemblage de reacteur nucleaire comprenant une liaison mecanique du pied et du tube hexagonal |
| US4889684A (en) * | 1988-08-01 | 1989-12-26 | General Electric Company | Hydraulic reinforcement of channel at lower tie-plate in BWR fuel bundle |
| EP0378384B1 (en) * | 1989-01-13 | 1993-05-26 | Hitachi, Ltd. | Nuclear fuel assemblies |
| US5128098A (en) * | 1990-02-28 | 1992-07-07 | Hitachi, Ltd. | Fuel assembly |
| US5132077A (en) * | 1990-09-14 | 1992-07-21 | Combustion Engineering, Inc. | Lower end fitting |
-
1993
- 1993-08-23 US US08/110,642 patent/US5383227A/en not_active Expired - Lifetime
-
1994
- 1994-07-05 TW TW083106118A patent/TW252203B/zh active
- 1994-08-17 JP JP6215376A patent/JPH0763867A/ja active Pending
- 1994-08-18 EP EP94112932A patent/EP0640989A1/en not_active Withdrawn
- 1994-08-19 CA CA002130501A patent/CA2130501A1/en not_active Abandoned
- 1994-08-23 KR KR1019940020728A patent/KR950006881A/ko not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0763867A (ja) | 1995-03-10 |
| CA2130501A1 (en) | 1995-02-24 |
| EP0640989A1 (en) | 1995-03-01 |
| TW252203B (enExample) | 1995-07-21 |
| US5383227A (en) | 1995-01-17 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PA0109 | Patent application |
Patent event code: PA01091R01D Comment text: Patent Application Patent event date: 19940823 |
|
| PG1501 | Laying open of application | ||
| PC1203 | Withdrawal of no request for examination | ||
| WITN | Application deemed withdrawn, e.g. because no request for examination was filed or no examination fee was paid |