TW220000B - - Google Patents
Download PDFInfo
- Publication number
- TW220000B TW220000B TW081107926A TW81107926A TW220000B TW 220000 B TW220000 B TW 220000B TW 081107926 A TW081107926 A TW 081107926A TW 81107926 A TW81107926 A TW 81107926A TW 220000 B TW220000 B TW 220000B
- Authority
- TW
- Taiwan
- Prior art keywords
- fuel
- flow
- spacer
- steam
- pipe
- Prior art date
Links
- 239000000446 fuel Substances 0.000 claims description 66
- 125000006850 spacer group Chemical group 0.000 claims description 34
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 26
- 238000000926 separation method Methods 0.000 claims description 11
- 239000000203 mixture Substances 0.000 claims description 10
- 239000002826 coolant Substances 0.000 claims description 9
- 238000000034 method Methods 0.000 claims description 9
- 239000004215 Carbon black (E152) Substances 0.000 claims description 2
- 238000001816 cooling Methods 0.000 claims description 2
- 229930195733 hydrocarbon Natural products 0.000 claims description 2
- 150000002430 hydrocarbons Chemical class 0.000 claims description 2
- 229930182470 glycoside Natural products 0.000 claims 4
- 230000002093 peripheral effect Effects 0.000 claims 4
- 150000002338 glycosides Chemical class 0.000 claims 3
- IQFYYKKMVGJFEH-XLPZGREQSA-N Thymidine Chemical compound O=C1NC(=O)C(C)=CN1[C@@H]1O[C@H](CO)[C@@H](O)C1 IQFYYKKMVGJFEH-XLPZGREQSA-N 0.000 claims 2
- DWRXFEITVBNRMK-UHFFFAOYSA-N Beta-D-1-Arabinofuranosylthymine Natural products O=C1NC(=O)C(C)=CN1C1C(O)C(O)C(CO)O1 DWRXFEITVBNRMK-UHFFFAOYSA-N 0.000 claims 1
- 235000018185 Betula X alpestris Nutrition 0.000 claims 1
- 235000018212 Betula X uliginosa Nutrition 0.000 claims 1
- 229910052788 barium Inorganic materials 0.000 claims 1
- DSAJWYNOEDNPEQ-UHFFFAOYSA-N barium atom Chemical compound [Ba] DSAJWYNOEDNPEQ-UHFFFAOYSA-N 0.000 claims 1
- IQFYYKKMVGJFEH-UHFFFAOYSA-N beta-L-thymidine Natural products O=C1NC(=O)C(C)=CN1C1OC(CO)C(O)C1 IQFYYKKMVGJFEH-UHFFFAOYSA-N 0.000 claims 1
- 125000003563 glycoside group Chemical group 0.000 claims 1
- 230000001939 inductive effect Effects 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 claims 1
- 229910052751 metal Inorganic materials 0.000 claims 1
- 239000002184 metal Substances 0.000 claims 1
- 238000005192 partition Methods 0.000 claims 1
- 229940104230 thymidine Drugs 0.000 claims 1
- 239000000498 cooling water Substances 0.000 description 5
- 238000009835 boiling Methods 0.000 description 4
- 230000002079 cooperative effect Effects 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 241001499740 Plantago alpina Species 0.000 description 1
- 241000218206 Ranunculus Species 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000001066 destructive effect Effects 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 125000004836 hexamethylene group Chemical group [H]C([H])([*:2])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[*:1] 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000002285 radioactive effect Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 235000014347 soups Nutrition 0.000 description 1
- 238000009834 vaporization Methods 0.000 description 1
- 230000008016 vaporization Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 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
- G21C3/34—Spacer grids
-
- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21C—NUCLEAR REACTORS
- G21C15/00—Cooling arrangements within the pressure vessel containing the core; Selection of specific coolants
- G21C15/16—Cooling arrangements within the pressure vessel containing the core; Selection of specific coolants comprising means for separating liquid and steam
-
- 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
- G21C3/322—Means to influence the coolant flow through or around 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)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US07/832,835 US5327470A (en) | 1992-02-07 | 1992-02-07 | Spacer with steam separator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| TW220000B true TW220000B (https=) | 1994-02-01 |
Family
ID=25262739
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| TW081107926A TW220000B (https=) | 1992-02-07 | 1992-10-06 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US5327470A (https=) |
| EP (1) | EP0555081A1 (https=) |
| JP (1) | JPH0816714B2 (https=) |
| TW (1) | TW220000B (https=) |
Families Citing this family (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5488644A (en) | 1994-07-13 | 1996-01-30 | General Electric Company | Spring assemblies for adjoining nuclear fuel rod containing ferrules and a spacer formed of the spring assemblies and ferrules |
| US5526387A (en) * | 1994-08-12 | 1996-06-11 | General Electric Company | Flow tabs for a fuel rod bundle spacer |
| US5519747A (en) | 1994-10-04 | 1996-05-21 | General Electric Company | Apparatus and methods for fabricating spacers for a nuclear fuel rod bundle |
| US5546437A (en) | 1995-01-11 | 1996-08-13 | General Electric Company | Spacer for nuclear fuel rods |
| US5566217A (en) | 1995-01-30 | 1996-10-15 | General Electric Company | Reduced height spacer for nuclear fuel rods |
| US20020062121A1 (en) * | 1995-05-16 | 2002-05-23 | Karl Tryggvason | Perfusion apparatus and methods for pharmaceutical delivery |
| US5675621A (en) | 1995-08-17 | 1997-10-07 | General Electric Company | Reduced height flat spring spacer for nuclear fuel rods |
| SE508106C2 (sv) | 1996-12-20 | 1998-08-31 | Asea Atom Ab | Bränslepatron för kokarvattenreaktor innefattande en rotationscell samt en i denna anordnad ångledningskanal |
| RU2290707C1 (ru) * | 2005-07-08 | 2006-12-27 | Открытое акционерное общество "ТВЭЛ" | Дистанционирующая решетка |
| US7561654B2 (en) * | 2006-06-16 | 2009-07-14 | Global Nuclear Fuel - Americas, Llc | Nuclear fuel spacer assembly with debris guide |
| RU2331119C1 (ru) * | 2006-12-22 | 2008-08-10 | Открытое акционерное общество "ТВЭЛ" | Тепловыделяющая сборка и вставной дистанционирующий элемент |
| KR100900917B1 (ko) * | 2007-07-23 | 2009-06-03 | 한국원자력연구원 | 교차점 지지체를 이용한 이중냉각 핵연료봉의 지지격자체 |
| KR100918486B1 (ko) * | 2007-08-27 | 2009-09-24 | 한전원자력연료 주식회사 | 원통모양의 딤플을 갖는 이물질여과용 지지격자 |
| US8483349B2 (en) | 2008-07-29 | 2013-07-09 | Korea Atomic Energy Research Institute | Spacer grid for dual-cooling nuclear fuel rods using intersectional support structures |
| KR100967119B1 (ko) * | 2009-01-23 | 2010-07-05 | 한국원자력연구원 | 내부격자의 교차영역에 삽입된 관형 스프링체를 구비한 지지격자체 |
| KR100927133B1 (ko) * | 2009-04-23 | 2009-11-18 | 한전원자력연료 주식회사 | 원통모양의 딤플을 갖는 이물질여과용 지지격자 |
| US9514851B2 (en) | 2013-03-12 | 2016-12-06 | Westinghouse Electric Company Llc | Rib-type roughness design for improved heat transfer in PWR rod bundles |
| US10847273B2 (en) | 2014-01-17 | 2020-11-24 | Ge-Hitachi Nuclear Energy Americas Llc | Steam separator and nuclear boiling water reactor including the same |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL276216A (https=) * | 1961-03-21 | |||
| FR1369408A (fr) * | 1963-05-31 | 1964-08-14 | Snecma | Perfectionnements aux réacteurs nucléaires |
| GB1224465A (en) * | 1967-05-17 | 1971-03-10 | Central Electr Generat Board | Improvements in or relating to fuel element assemblies for nuclear reactors |
| SE310915B (https=) * | 1967-09-04 | 1969-05-19 | Asea Ab | |
| USRE28362E (en) * | 1969-12-31 | 1975-03-11 | Flow deflector fob nuc ear fuel element assemblies | |
| US3764470A (en) * | 1971-01-04 | 1973-10-09 | Combustion Eng | Flow twister |
| DE3519421C2 (de) * | 1985-05-30 | 1993-12-09 | Siemens Ag | Kernreaktorbrennelement |
| US4725403A (en) * | 1986-11-14 | 1988-02-16 | Combustion Engineering, Inc. | Box-type flow deflector for nuclear fuel grid |
| US4775510A (en) * | 1986-12-22 | 1988-10-04 | Combustion Engineering, Inc. | Nuclear fuel assembly hollow flow deflector |
| US4913875A (en) * | 1987-09-24 | 1990-04-03 | General Electric Company | Swirl vanes integral with spacer grid |
| JPH0713664B2 (ja) * | 1989-04-26 | 1995-02-15 | 株式会社日立製作所 | 燃料集合体および燃料スペーサ |
| US5032351A (en) * | 1990-05-11 | 1991-07-16 | General Electric Company | Modified cross point spacer apparatus and construction |
-
1992
- 1992-02-07 US US07/832,835 patent/US5327470A/en not_active Expired - Fee Related
- 1992-10-06 TW TW081107926A patent/TW220000B/zh active
-
1993
- 1993-01-27 JP JP5011381A patent/JPH0816714B2/ja not_active Ceased
- 1993-02-04 EP EP93300826A patent/EP0555081A1/en not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| US5327470A (en) | 1994-07-05 |
| JPH05281384A (ja) | 1993-10-29 |
| EP0555081A1 (en) | 1993-08-11 |
| JPH0816714B2 (ja) | 1996-02-21 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| TW220000B (https=) | ||
| US3070537A (en) | Fuel subassembly construction for radial flow in a nuclear reactor | |
| US4348355A (en) | Fuel assembly for a boiling nuclear reactor | |
| SE503854C2 (sv) | Kärnbränsleaggregat med stor kylmdelsförande tub | |
| JPH02285286A (ja) | 燃料集合体および燃料スペーサ | |
| CN101567226A (zh) | 含有内部氢/氚吸纳体结构的燃料棒和组件 | |
| KR930009570B1 (ko) | 감소가 팁을 가진 원자로 제어봉 | |
| JPH0816710B2 (ja) | 沸騰水型原子炉に於て燃料の高さが延長された燃料バンドル | |
| US5530729A (en) | Fuel assembly and spacer for a boiling reactor | |
| US4557892A (en) | Nuclear fuel element | |
| JP3986096B2 (ja) | 燃料保持用斜行ばねを有する核燃料集合体グリッド | |
| JPH0915362A (ja) | 沸騰水形原子炉の燃料集合体 | |
| US3317399A (en) | Fuel element container | |
| US5473649A (en) | Fuel element for a light-water nuclear reactor | |
| JP3900438B2 (ja) | 沸騰水型原子炉用の燃料集合体 | |
| JP3067291B2 (ja) | 原子炉燃料集合体 | |
| JPH04220598A (ja) | バイメタル製シンブル管 | |
| JPS59203986A (ja) | 沸騰水型原子炉の燃料集合体 | |
| JPH0437391B2 (https=) | ||
| WO1995034899A1 (en) | Fuel assembly and spacer with a reinforcement part for a nuclear reactor | |
| JP5330646B2 (ja) | 制御棒 | |
| SE504128C2 (sv) | Bränslepatron för kokarvattenreaktor med avsmalnande bränslestavar | |
| JPH0618689A (ja) | 沸騰水型原子炉用燃料集合体 | |
| US3580808A (en) | Nuclear reactor fuel element with nonaligned channeling | |
| US3454467A (en) | Integral boiling water-superheat nuclear reactor |