JP2012127957A - フロー・トリッピング装置 - Google Patents
フロー・トリッピング装置 Download PDFInfo
- Publication number
- JP2012127957A JP2012127957A JP2011271835A JP2011271835A JP2012127957A JP 2012127957 A JP2012127957 A JP 2012127957A JP 2011271835 A JP2011271835 A JP 2011271835A JP 2011271835 A JP2011271835 A JP 2011271835A JP 2012127957 A JP2012127957 A JP 2012127957A
- Authority
- JP
- Japan
- Prior art keywords
- flow
- peripheral band
- tripping device
- finger
- flow tripping
- 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.)
- Granted
Links
- 230000002093 peripheral effect Effects 0.000 claims abstract description 70
- 239000000446 fuel Substances 0.000 abstract description 50
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 20
- 238000009835 boiling Methods 0.000 abstract description 6
- 238000003306 harvesting Methods 0.000 abstract 1
- 125000006850 spacer group Chemical group 0.000 description 10
- 239000012528 membrane Substances 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000003754 machining Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Images
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
- G21C3/322—Means to influence the coolant flow through or around the bundles
-
- 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
- G21C3/324—Coats or envelopes for 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)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
- Feeding And Controlling Fuel (AREA)
- Structure Of Emergency Protection For Nuclear Reactors (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
【解決手段】本発明の非限定的実施形態によるフロー・トリッピング装置(100)は、中央の空間を取り囲む周辺帯(102)を含んでよい。複数のフロータブ(104)は、周辺帯(102)の上部から中央の空間に向かって延びてよい。複数の指状構造(106)は、周辺帯(102)の下部から延びてよい。沸騰水型原子炉(BWR)の燃料チャネル(112)内に装着されると、周辺部ロッドの限界出力比(CPR)の性能が高められ、それにより、総合的性能も高められる。結果として、増加された出力が、より低い燃料サイクルコストにつながる。
【選択図】図1C
Description
100' フロー・トリッピング装置
102 周辺帯
104 フロータブ
106 指状構造
108 分割器
110 凸部
112 燃料チャネル
206 指状構造
Claims (10)
- 中央の空間を取り囲む周辺帯(102)と、
前記周辺帯(102)の上部から前記中央の空間に向かって延びる複数のフロータブ(104)と、
前記周辺帯(102)の下部から延びる複数の指状構造(106)とを備える、フロー・トリッピング装置(100)。 - 前記複数のフロータブ(104)のそれぞれが、前記周辺帯(102)から延びるにつれて先細になる、請求項1記載のフロー・トリッピング装置(100)。
- 前記複数のフロータブ(104)のそれぞれが、前記中央の空間に向かって内側に湾曲する、請求項1記載のフロー・トリッピング装置(100)。
- 前記複数の指状構造(106)のそれぞれが、上方に、前記周辺帯(102)向かって戻る方向に延びる、請求項1記載のフロー・トリッピング装置(100)。
- 前記複数の指状構造(106)のそれぞれが、下方に、前記周辺帯(102)から離れる方向に延びる、請求項1記載のフロー・トリッピング装置(100)。
- 前記複数の指状構造(106)が、複数のスリットで互いに分離される、請求項1記載のフロー・トリッピング装置(100)。
- 前記周辺帯(102)で境界を定められた前記中央の空間内に、複数の分割器(108)をさらに備える、請求項1記載のフロー・トリッピング装置(100)。
- 前記複数の分割器(108)が、第2の群の平行な分割器と交差する第1の群の平行な分割器を含む、請求項7記載のフロー・トリッピング装置(100)。
- 複数の凸部(110)を前記周辺帯(102)上にさらに備える、請求項1記載のフロー・トリッピング装置(100)。
- 前記複数の凸部(110)が、前記中央の空間から離れる方向に突出する、請求項9記載のフロー・トリッピング装置(100)。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US12/968,874 | 2010-12-15 | ||
US12/968,874 US8774343B2 (en) | 2010-12-15 | 2010-12-15 | Flow tripping device |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2012127957A true JP2012127957A (ja) | 2012-07-05 |
JP5739795B2 JP5739795B2 (ja) | 2015-06-24 |
Family
ID=45406432
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2011271835A Active JP5739795B2 (ja) | 2010-12-15 | 2011-12-13 | フロー・トリッピング装置 |
Country Status (4)
Country | Link |
---|---|
US (1) | US8774343B2 (ja) |
EP (1) | EP2466590B1 (ja) |
JP (1) | JP5739795B2 (ja) |
ES (1) | ES2599214T3 (ja) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11257597B2 (en) * | 2018-12-31 | 2022-02-22 | Global Nuclear Fuel—Americas, LLC | Systems and methods for debris-free nuclear component handling |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH01126590A (ja) * | 1987-11-11 | 1989-05-18 | Toshiba Corp | 核燃料集合体 |
JPH036596U (ja) * | 1989-06-06 | 1991-01-22 | ||
JPH0330894U (ja) * | 1989-08-04 | 1991-03-26 | ||
JP2008275615A (ja) * | 2007-04-27 | 2008-11-13 | General Electric Co <Ge> | 燃料バンドルおよびスペーサバンド |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4698204A (en) * | 1986-09-17 | 1987-10-06 | Westinghouse Electric Corp. | Intermediate flow mixing nonsupport grid for BWR fuel assembly |
SE464995B (sv) * | 1989-11-14 | 1991-07-08 | Asea Atom Ab | Braenslepatron foer en kokarreaktor |
JPH0330894A (ja) | 1989-06-29 | 1991-02-08 | Shimizu Corp | 湖沼、溜池の汚染防止方法 |
JP3913386B2 (ja) * | 1998-02-10 | 2007-05-09 | 株式会社日立製作所 | 燃料集合体 |
US7421056B2 (en) * | 2002-03-14 | 2008-09-02 | Areva Np Gmbh | Fuel assembly for a boiling water reactor |
KR101082733B1 (ko) * | 2007-03-23 | 2011-11-10 | 니폰게이긴조쿠가부시키가이샤 | 전자 기기용 시험 상자 |
-
2010
- 2010-12-15 US US12/968,874 patent/US8774343B2/en active Active - Reinstated
-
2011
- 2011-12-08 EP EP11192588.9A patent/EP2466590B1/en active Active
- 2011-12-08 ES ES11192588.9T patent/ES2599214T3/es active Active
- 2011-12-13 JP JP2011271835A patent/JP5739795B2/ja active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH01126590A (ja) * | 1987-11-11 | 1989-05-18 | Toshiba Corp | 核燃料集合体 |
JPH036596U (ja) * | 1989-06-06 | 1991-01-22 | ||
JPH0330894U (ja) * | 1989-08-04 | 1991-03-26 | ||
JP2008275615A (ja) * | 2007-04-27 | 2008-11-13 | General Electric Co <Ge> | 燃料バンドルおよびスペーサバンド |
Also Published As
Publication number | Publication date |
---|---|
EP2466590A3 (en) | 2014-12-24 |
EP2466590A2 (en) | 2012-06-20 |
US8774343B2 (en) | 2014-07-08 |
JP5739795B2 (ja) | 2015-06-24 |
US20120155601A1 (en) | 2012-06-21 |
ES2599214T3 (es) | 2017-01-31 |
EP2466590B1 (en) | 2016-09-21 |
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