JP2012508871A - 加圧水形原子炉の燃料集合体 - Google Patents
加圧水形原子炉の燃料集合体 Download PDFInfo
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- JP2012508871A JP2012508871A JP2011535998A JP2011535998A JP2012508871A JP 2012508871 A JP2012508871 A JP 2012508871A JP 2011535998 A JP2011535998 A JP 2011535998A JP 2011535998 A JP2011535998 A JP 2011535998A JP 2012508871 A JP2012508871 A JP 2012508871A
- Authority
- JP
- Japan
- Prior art keywords
- fuel assembly
- fuel
- strips
- cells
- assembly according
- 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.)
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Classifications
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- 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
- G21C3/326—Bundles of parallel pin-, rod-, or tube-shaped fuel elements comprising fuel elements of different composition; comprising, in addition to the fuel elements, other pin-, rod-, or tube-shaped elements, e.g. control rods, grid support rods, fertile rods, poison rods or dummy rods
-
- 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
- G21C3/352—Spacer grids formed of assembled intersecting strips
-
- 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
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- 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 Cell (AREA)
- Fuel-Injection Apparatus (AREA)
Abstract
【選択図】図7
Description
4 中心縦軸線
6 スペーサ
8 構造部品
12 セル
14 行
16 列
20 外側帯板
21 中心平面
24 内側範囲
26 内側帯板
27 セル
30 方向転換羽根
K 冷却水
Claims (8)
- a)多数の燃料棒(2)が中心縦軸線(4)の方向において互いに間隔を隔てられた複数のスペーサ(6)で案内され、
b)これらのスペーサ(6)がそれぞれ複数の格子帯板(10)で構成され多数のセル(12)を備えた正方形格子を形成し、
c)これらのセル(12)が行(14)と列(16)とに配置され、
d)少なくとも互いに軸方向に隣接する2つのスペーサ(6)間に1つの流れ案内構造部品(8)が配置され、
e)この流れ案内構造部品(8)が、中心縦軸線(4)に対して垂直な平面においてその中心(M)が中心縦軸線(4)上に位置する1つの正方形内部範囲(24)を取り囲む4つの外側帯板(20)を有し、
f)前記複数の外側帯板(20)が運転状態において流れる冷却水の上流側の下側長手面に前記内部範囲に向いた複数の方向転換羽根(30)を有し、
g)前記複数の外側帯板(20)が構造的に同一であり、対抗して位置する両外側帯板(20)が軸方向に延びる中心平面(21)に関して鏡面対称に配置され、
h)前記構造部品(8)が、燃料集合体における燃料棒総数より少数の燃料棒(2)に対して、それぞれ1つの燃料棒(2)が貫通して導かれる複数のセル(27)を形成し、
i)1つの行(14)又は列(16)の中に存在するこれらのセル(27)の数がそれらの行(14)又は列(16)に存在する燃料棒の数より少ない、
ことを特徴とする加圧水形原子炉の燃料集合体。 - 前記構造部品(8)で形成された前記複数のセル(27)が前記燃料集合体の角部位のみに存在していることを特徴とする請求項1に記載の燃料集合体。
- 前記複数の外側帯板(20)が燃料集合体の横側縁部に配置されていることを特徴とする請求項1又は2に記載の燃料集合体。
- 前記複数の外側帯板(20)が1つの結合枠を形成していることを特徴とする請求項1から3のいずれか1項に記載の燃料集合体。
- 各外側帯板(20)にこれに対して平行に延びる1つの内側帯板(26)が付設され、該内側帯板(26)がその流れる冷却水(K)の側の長手面に前記内部範囲(24)に向いた複数の方向転換羽根(30)を有し、これらの複数の内側帯板(26)が構造的に同一であり、互いに対抗して位置する両内側帯板(26)が軸方向に延びる中心平面(21)に関して鏡面対称に配置されていることを特徴とする請求項1から4のいずれか1項に記載の燃料集合体。
- 前記外側帯板(20)と前記内側帯板(26)との間に1つの行(14)又は1つの列(16)の燃料棒(2)しか配置されていないことを特徴とする請求項5に記載の燃料集合体。
- 前記内側帯板(26)の下側長手面が前記外側帯板(20)の下側長手面の下側に配置されていることを特徴とする請求項5又は6に記載の燃料集合体。
- 前記複数の内側帯板(26)が1つの結合枠を形成していることを特徴とする請求項5から7のいずれか1項に記載の燃料集合体。
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102008043711.5 | 2008-11-13 | ||
DE102008043711 | 2008-11-13 | ||
DE102009002698.3 | 2009-04-28 | ||
DE102009002698 | 2009-04-28 | ||
PCT/EP2009/064965 WO2010055048A1 (de) | 2008-11-13 | 2009-11-11 | Brennelement für einen druckwasserkernreaktor |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2012508871A true JP2012508871A (ja) | 2012-04-12 |
JP5642079B2 JP5642079B2 (ja) | 2014-12-17 |
Family
ID=41559542
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2011535998A Expired - Fee Related JP5642079B2 (ja) | 2008-11-13 | 2009-11-11 | 加圧水形原子炉の燃料集合体 |
Country Status (8)
Country | Link |
---|---|
US (1) | US20110305311A1 (ja) |
EP (1) | EP2345039B1 (ja) |
JP (1) | JP5642079B2 (ja) |
CN (1) | CN102265351B (ja) |
DE (1) | DE102009046668A1 (ja) |
ES (1) | ES2423190T3 (ja) |
TW (1) | TW201027561A (ja) |
WO (1) | WO2010055048A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP7377778B2 (ja) | 2020-07-17 | 2023-11-10 | 三菱重工業株式会社 | 炉心解析方法、プログラムおよび炉心解析装置 |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2741297A1 (en) * | 2012-12-04 | 2014-06-11 | Areva NP | Fuel rod support insert for a nuclear fuel assembly spacer grid, spacer grid and nuclear fuel assembly |
WO2022189132A1 (de) * | 2021-03-09 | 2022-09-15 | RWE Nuclear GmbH | Ertüchtigung von brennelementen von kernkraftwerken |
CN114220558B (zh) * | 2021-11-18 | 2023-06-13 | 中国核动力研究设计院 | 一种燃料组件格架、燃料组件及压水堆堆芯 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS63293492A (ja) * | 1987-05-13 | 1988-11-30 | ウエスチングハウス・エレクトリック・コーポレーション | 原子炉燃料集合体 |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3749640A (en) * | 1970-06-02 | 1973-07-31 | United Nuclear Corp | Nuclear reactor having improved coolant reflecting arrangement |
US4576786A (en) * | 1983-12-21 | 1986-03-18 | Westinghouse Electric Corp. | Partial grid for a nuclear reactor fuel assembly |
US4726926A (en) | 1986-03-12 | 1988-02-23 | Advanced Nuclear Fuels Corporation | Mixing grid |
SE467899B (sv) * | 1991-02-05 | 1992-09-28 | Asea Atom Ab | Braenslepatron foer en kaernreaktor av tryckvattentyp |
SE516267C2 (sv) * | 1994-06-13 | 2001-12-10 | Westinghouse Atom Ab | Styrning av kylflöde över ett stort blandningstvärsnitt i en kärnreaktor |
FR2860334B1 (fr) * | 2003-09-30 | 2007-12-07 | Framatome Anp | Assemblage de combustible nucleaire comprenant un dispositif maille de renfort et utilisation d'un tel dispositif dans un assemblage de combustible nucleaire |
FR2860335B1 (fr) * | 2003-09-30 | 2007-12-07 | Framatome Anp | Assemblage de combustible nucleaire comprenant un dispositif interieur de renfort |
DE10358830B3 (de) | 2003-12-16 | 2005-08-18 | Framatome Anp Gmbh | Brennelement für einen Druckwasserkernreaktor und mit solchen Brennelementen aufgebauter Kern eines Druckwasserreaktors |
DE102004014499B3 (de) * | 2004-03-25 | 2005-09-01 | Framatome Anp Gmbh | Brennelement für einen Druckwasserkernreaktor |
DE102005035486B3 (de) * | 2005-07-26 | 2007-02-22 | Areva Np Gmbh | Brennelement für einen Druckwasserkernreaktor |
-
2009
- 2009-11-11 JP JP2011535998A patent/JP5642079B2/ja not_active Expired - Fee Related
- 2009-11-11 ES ES09763902T patent/ES2423190T3/es active Active
- 2009-11-11 WO PCT/EP2009/064965 patent/WO2010055048A1/de active Application Filing
- 2009-11-11 EP EP09763902.5A patent/EP2345039B1/de active Active
- 2009-11-11 US US13/129,188 patent/US20110305311A1/en not_active Abandoned
- 2009-11-11 CN CN200980151732.8A patent/CN102265351B/zh active Active
- 2009-11-12 DE DE102009046668A patent/DE102009046668A1/de not_active Withdrawn
- 2009-11-13 TW TW098138598A patent/TW201027561A/zh unknown
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS63293492A (ja) * | 1987-05-13 | 1988-11-30 | ウエスチングハウス・エレクトリック・コーポレーション | 原子炉燃料集合体 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP7377778B2 (ja) | 2020-07-17 | 2023-11-10 | 三菱重工業株式会社 | 炉心解析方法、プログラムおよび炉心解析装置 |
Also Published As
Publication number | Publication date |
---|---|
TW201027561A (en) | 2010-07-16 |
JP5642079B2 (ja) | 2014-12-17 |
WO2010055048A1 (de) | 2010-05-20 |
EP2345039A1 (de) | 2011-07-20 |
EP2345039B1 (de) | 2013-05-29 |
CN102265351A (zh) | 2011-11-30 |
DE102009046668A1 (de) | 2010-07-15 |
CN102265351B (zh) | 2014-10-22 |
ES2423190T3 (es) | 2013-09-18 |
US20110305311A1 (en) | 2011-12-15 |
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