JP2002071875A - Method and apparatus for lateral load impact test of fuel assembly - Google Patents
Method and apparatus for lateral load impact test of fuel assemblyInfo
- Publication number
- JP2002071875A JP2002071875A JP2000259055A JP2000259055A JP2002071875A JP 2002071875 A JP2002071875 A JP 2002071875A JP 2000259055 A JP2000259055 A JP 2000259055A JP 2000259055 A JP2000259055 A JP 2000259055A JP 2002071875 A JP2002071875 A JP 2002071875A
- Authority
- JP
- Japan
- Prior art keywords
- fuel assembly
- impact
- load
- grid
- test
- 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- Withdrawn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 60
- 238000009863 impact test Methods 0.000 title claims abstract description 13
- 238000000034 method Methods 0.000 title 1
- 238000012360 testing method Methods 0.000 claims abstract description 17
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 4
- 230000003028 elevating effect Effects 0.000 abstract description 7
- 238000006073 displacement reaction Methods 0.000 description 4
- 238000010998 test method Methods 0.000 description 2
- 239000002826 coolant Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000003758 nuclear fuel Substances 0.000 description 1
- 238000005381 potential energy Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
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
- Monitoring And Testing Of Nuclear Reactors (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、原子炉用燃料集合
体の機械的性能を検証するための試験方法及び装置に関
し、特に燃料集合体グリッド部に横荷重を作用させる衝
撃試験方法及び装置に関する。The present invention relates to a test method and apparatus for verifying the mechanical performance of a fuel assembly for a nuclear reactor, and more particularly to an impact test method and apparatus for applying a lateral load to a grid portion of a fuel assembly. .
【０００２】[0002]
【従来の技術】原子炉に使用される燃料は、核燃料物質
を封入した燃料棒を束ねて組み立てられた燃料集合体の
形で使用される。このような燃料集合体は、炉心を構成
する重要な機械構造物でもあるので、例えばその一部で
あるグリッド乃至支持格子の衝撃試験が従来より行われ
ている。以下に、その衝撃試験について説明するが、そ
の前に燃料集合体の構造の概要を説明する。2. Description of the Related Art Fuel used in a nuclear reactor is used in the form of a fuel assembly assembled by bundling fuel rods containing nuclear fuel material. Since such a fuel assembly is also an important mechanical structure constituting the core, for example, an impact test of a grid or a support grid, which is a part thereof, has been conventionally performed. The impact test will be described below, but before that, the outline of the structure of the fuel assembly will be described.
【０００３】図５を参照するに、図示しない多数の冷却
材流路穴を備えた上部ノズル１１と、同様な流路穴を多
数備え四隅に脚部を有する下部ノズル１３とは、互いに
平行に配置された複数の制御棒案内管１５によって確り
と連結されている。複数の案内管１５の相互関係が部分
切り出し斜視図である図６により明確に示されている。
このような複数の案内管１５に、複数個、例えば９個の
グリッド１７が長手方向に相互間隔を置いて固定されて
いる。このグリッド１７は、通常側板乃至ストラップと
称する薄い金属帯板を互いに交差して組立てられること
により構成され、碁盤目状配置の格子開口を画成した格
子状構造物であり、所定の位置の格子開口が前記案内管
１５を個別に受け入れている。その他の格子開口には、
燃料棒１９が１本ずつ挿通され、弾性的に支持される。
燃料棒１９の相互の配置状況も図６に示されている。な
お、上部ノズル１１の上部にはばね１８が設けられ、原
子炉運転時の浮き上がりを防止するようになっている。Referring to FIG. 5, an upper nozzle 11 having a number of coolant flow holes (not shown) and a lower nozzle 13 having a number of similar flow holes and having legs at four corners are parallel to each other. The plurality of control rod guide tubes 15 are securely connected. The interrelationship of the plurality of guide tubes 15 is clearly shown in FIG. 6, which is a partially cutaway perspective view.
A plurality of, for example, nine grids 17 are fixed to the plurality of guide tubes 15 at intervals in the longitudinal direction. The grid 17 is formed by assembling thin metal strips, usually called side plates or straps, crossing each other, and is a grid-like structure defining grid openings in a grid pattern. Openings individually receive the guide tubes 15. Other grid openings include
The fuel rods 19 are inserted one by one and are elastically supported.
The mutual arrangement of the fuel rods 19 is also shown in FIG. A spring 18 is provided on the upper part of the upper nozzle 11 so as to prevent floating during operation of the reactor.
【０００４】前述のような構造の燃料集合体１０は、炉
心には立てた状態で装荷され、大方の荷重乃至負荷は鉛
直方向に作用する。而して、地震発生時などには横方向
に比較的大きな荷重が作用し、これがグリッド１７に作
用する虞がある。従って、グリッド１７に横方向の衝撃
荷重を負荷させてその部分の強度乃至剛性が測定され
る。次に図７及び図８を参照して従来の衝撃試験方法に
ついて説明する。図７は、衝撃試験に用いる供試体２０
を示している。供試体２０は、グリッド１７とその格子
開口に個別に挿入された短いダミー管２１から構成さ
れ、ダミー管２１は燃料棒１９及び案内管１５を模擬し
たものである。このような供試体２０は、図８に示すよ
うに衝撃試験装置３０に取り付けられて試験される。図
８において、ベース３１にサポートコラム３３が立設さ
れ、サポートコラム３３の固定アーム３５に揺動自在に
リンクアーム３７が取り付けられている。垂下したリン
クアーム３７の下端には、重錘４１が取り付けられ、ハ
ンマー持ち上げアーム４３により所定の角度θ1まで持
ち上げられるようになっている。この角度θ1の調節に
より衝撃エネルギーが設定される。スライドハンドル４
５によりベース３１上の位置が調整される剛壁４７に、
荷重計４９を介して供試体２０がセットされる。重錘４
１の当接面にも荷重計４９が取り付けられ、これらの荷
重計４９によって重錘４１が衝突するときの供試体２０
に作用する力が測定される。このようにして、持ち上げ
角度θ1を種々変え、その都度の衝撃荷重を測定し、供
試体２０の動的剛性、座屈荷重、座屈変形後の特性及び
変形量を求める。[0004] The fuel assembly 10 having the above-described structure is loaded on the reactor core in an upright state, and most of the load acts in the vertical direction. Thus, when an earthquake occurs, a relatively large load acts in the lateral direction, and this may act on the grid 17. Accordingly, a lateral impact load is applied to the grid 17 and the strength or rigidity of that portion is measured. Next, a conventional impact test method will be described with reference to FIGS. FIG. 7 shows a test piece 20 used for the impact test.
Is shown. The specimen 20 is composed of a grid 17 and short dummy pipes 21 individually inserted into the grid openings, and the dummy pipes 21 simulate the fuel rods 19 and the guide pipes 15. Such a test specimen 20 is attached to an impact test apparatus 30 for testing as shown in FIG. 8, a support column 33 is erected on a base 31, and a link arm 37 is swingably attached to a fixed arm 35 of the support column 33. A weight 41 is attached to the lower end of the hanging link arm 37, and can be lifted to a predetermined angle θ 1 by a hammer lifting arm 43. Impact energy is set by adjustment of the angle theta 1. Slide handle 4
The rigid wall 47 whose position on the base 31 is adjusted by 5
The specimen 20 is set via the load cell 49. Weight 4
A load cell 49 is also attached to the abutment surface of the test piece 1, and when the weight 41 collides with the load cell 49,
Is measured. In this way, the lifting angle θ 1 is variously changed, the impact load at each time is measured, and the dynamic stiffness, buckling load, characteristics after buckling deformation and the amount of deformation of the specimen 20 are obtained.
【０００５】[0005]
【発明が解決しようとする課題】以上説明したように、
従来のグリッド部の衝撃試験においては、グリッド部を
模擬した供試体を使用するので、必ずしも実際の衝撃特
性を得られないという問題があった。又、燃料集合体に
は軸方向に間隔をおいて複数のグリッドが使用されるの
で、一定条件下における各グリッドの強度が判定できな
かった。従って、本発明の課題は、実際の使用条件に最
も近い状態における燃料集合体の横方向衝撃特性を測定
できる試験方法及び装置を提供することである。As described above,
In the conventional impact test of the grid portion, since a specimen simulating the grid portion is used, there is a problem that actual impact characteristics cannot always be obtained. Further, since a plurality of grids are used in the fuel assembly at intervals in the axial direction, the strength of each grid cannot be determined under certain conditions. Accordingly, an object of the present invention is to provide a test method and an apparatus capable of measuring a lateral impact characteristic of a fuel assembly in a state closest to an actual use condition.
【０００６】[0006]
【課題を解決するための手段】前述の課題を解決するた
め、本発明によれば、燃料集合体の横荷重衝撃試験は、
被試験体である燃料集合体を受け台上に立てた状態で置
き、該燃料集合体の上部ノズルに加圧部を取り付けて実
使用時の軸方向荷重を付与し、その荷重状態を保持した
ままで該燃料集合体のグリッド部に横方向より衝撃荷重
を付与する順序で実施される。又、本発明によれば、燃
料集合体の横荷重衝撃試験装置は、底面に設けられ、被
試験体である燃料集合体を下方から支承する受け台、同
受け台に隣接して立設され剛な壁体に支持された基盤、
同基盤に昇降自在に設けられた昇降台、前記燃料集合体
の上部に接触自在に設けられ該燃料集合体に使用時軸方
向荷重を付与する加圧部、及び前記燃料集合体に隣接し
て昇降自在に設けられ前記燃料集合体のグリッド部に横
向き衝撃荷重を付与する衝撃付与装置を有して構成され
る。According to the present invention, a lateral load impact test of a fuel assembly is performed according to the present invention.
The fuel assembly to be tested was placed in a standing state on a table, and a pressurizing portion was attached to the upper nozzle of the fuel assembly to apply an axial load in actual use, and the loaded state was maintained. The operation is performed in the order of applying an impact load to the grid portion of the fuel assembly from the lateral direction as it is. Further, according to the present invention, the lateral load impact test device for the fuel assembly is provided on the bottom surface, and is erected adjacent to the pedestal for supporting the fuel assembly to be tested from below. A base supported by a rigid wall,
A lifting platform movably provided on the base, a pressurizing unit provided movably on the upper portion of the fuel assembly and applying an axial load to the fuel assembly when used, and adjacent to the fuel assembly. The fuel assembly is provided with an impact applying device that is provided so as to be vertically movable and applies a lateral impact load to the grid portion of the fuel assembly.
【０００７】[0007]
【発明の実施の形態】以下添付の図面を参照して本発明
の実施形態を説明する。尚、前述の従来技術関する図面
を含め、全図にわたり同一部分には同一の符号を付して
いる。先ず、図１を参照するに、供試体である燃料集合
体１０は、試験装置５０の底面５１の受け台５３の上に
立ててセットされる。受け台５３に隣接して上方に延び
る壁５５は、横向き衝撃荷重を受けても変形が微小であ
るような強度剛性を有し、その壁面に燃料集合体１０に
対応して基盤５７が設けられている。壁５５又は試験装
置５０の適所に支持された加圧部５９は、燃料集合体１
０の上部ノズル１１のばね１８に接して取り付けられ、
原子炉内で燃料集合体１０が使用されるときの荷重を上
方から供試体即ち取り付け燃料集合体１０に付与する。
燃料集合体１０に対向する面に荷重計６１を備えた昇降
台６３が基盤５７に設けられている。昇降台６３を上下
方向に動かす昇降機構は、適宜なものが使用されるので
図示が省略されている。壁体５５，基盤５７、昇降台６
３、荷重計６１及び供試体の水平配置が図３に明確に示
されている。Embodiments of the present invention will be described below with reference to the accompanying drawings. The same parts are denoted by the same reference numerals throughout the drawings, including the drawings related to the above-mentioned conventional technology. First, referring to FIG. 1, a fuel assembly 10 as a specimen is set upright on a cradle 53 on a bottom surface 51 of a test apparatus 50. A wall 55 extending upward adjacent to the pedestal 53 has such strength and rigidity that the deformation is small even when subjected to a lateral impact load, and a base 57 is provided on the wall corresponding to the fuel assembly 10. ing. The pressurizing section 59 supported in place on the wall 55 or the test apparatus 50 is used for the fuel assembly 1.
0 is attached to the spring 18 of the upper nozzle 11
A load when the fuel assembly 10 is used in the nuclear reactor is applied to the specimen, that is, the attached fuel assembly 10 from above.
An elevator 63 provided with a load cell 61 on a surface facing the fuel assembly 10 is provided on a base 57. As an elevating mechanism for moving the elevating table 63 in the vertical direction, an appropriate mechanism is used, and thus is not shown. Wall 55, base 57, lift 6
3. The horizontal arrangement of the load cell 61 and the specimen is clearly shown in FIG.
【０００８】燃料集合体１０に横方向から衝撃を与える
衝撃付与装置７０は、図１の右部及び図２に示すように
燃料集合体１０の近傍に移動自在に設けられる。その構
成を説明すると、昇降軸７１，これに一端部が嵌合され
水平に延びる移動台７３，昇降軸７１に平行な一対の案
内軸７５、移動台７３の先端部に連結され下端に重錘７
９を備えたリンクアーム７７，移動台７３の上部に設け
られた持ち上げアーム駆動装置８１、及びリンクアーム
７７に連接アーム８３を介して連結されると共に移動台
７３から垂下支持された持ち上げアーム８５から衝撃付
与装置７０の主要部が構成されている。更に、昇降軸７
１には変位計８７が設けられ、衝突前後の重錘７９の移
動（被試験体の変形量）を測定できるようになってい
る。持ち上げアーム８５の持ち上げ量即ち付与される衝
撃エネルギーは、持ち上げアーム８５の上端に取り付け
られた表示針の指す目盛りで表される。尚、移動台７３
は昇降軸７１に沿って昇降自在であるが、そのための機
構は一般の昇降機構が使用されるので図示はされていな
い。An impact applying device 70 for applying an impact to the fuel assembly 10 from the lateral direction is movably provided near the fuel assembly 10 as shown in the right part of FIG. 1 and FIG. To explain the configuration, a lifting shaft 71, a moving table 73 having one end fitted thereto and extending horizontally, a pair of guide shafts 75 parallel to the lifting shaft 71, a weight connected to the distal end of the moving table 73 and a lower end weight 7
9, a lifting arm driving device 81 provided above the moving table 73, and a lifting arm 85 connected to the link arm 77 via the connecting arm 83 and supported by the moving table 73. The main part of the impact giving device 70 is configured. Further, the lifting shaft 7
1 is provided with a displacement gauge 87 so that the movement of the weight 79 before and after the collision (the amount of deformation of the test object) can be measured. The lifting amount of the lifting arm 85, that is, the applied impact energy is represented by a scale indicated by a display needle attached to the upper end of the lifting arm 85. The moving table 73
Can be moved up and down along the elevating shaft 71, but a mechanism for that is not shown because a general elevating mechanism is used.
【０００９】前述の構成を有する試験装置５０は、次の
ように使用されて供試体乃至被試験体である燃料集合体
１０の衝撃特性が把握される。先ず、燃料集合体１０を
受け台５３の上に置き、加圧部５９によりその上部ノズ
ル１１を保持し、軸方向荷重を加えて使用時荷重状態を
実現する。次に、衝撃荷重を加えるべきグリッド１７の
位置に合わせるように昇降台６３を上下し、目標のグリ
ッド１７の後に荷重計６１が来るようにしてセットす
る。しかる後、或いは同時的に衝撃付与装置７０を燃料
集合体１０に対してセットし、衝撃付与対象のグリッド
１７に重錘７９がぶつかるように移動台７３の高さ位置
を設定する。それから、持ち上げアーム駆動装置８１を
作動させて持ち上げアーム８５を所定角度になるように
持ち上げる。リンクアーム７７は、連接アーム８３によ
り持ち上げアーム８５に連結されているから、２点鎖線
に示すように傾き、重錘７９に位置エネルギーが与えら
れる。この状態で連接アーム８３を切り離すと、重錘７
９は時計方向に回動し、目標のグリッド１７に衝突す
る。即ち、燃料集合体１０の所定のグリッド部に衝撃荷
重が与えられその特性に応じて変形する。そして、衝突
直前から重錘７９の変位を非接触の変位計８７により記
録し、衝突時の重錘速度を算出する。衝突時の衝撃荷重
は、荷重計６１で記録する。持ち上げアーム８５の持ち
上げ角度を種々変えて試験を行い、目的の特性を得る。
図４にその結果の一例を示す。実線の曲線は、本発明に
よる衝撃荷重−重錘速度特性を示し、破線の曲線は従来
の装置による結果を示す。The test apparatus 50 having the above-described configuration is used as follows to grasp the impact characteristics of the fuel assembly 10 which is a test or test object. First, the fuel assembly 10 is placed on the receiving stand 53, the upper nozzle 11 is held by the pressurizing section 59, and an axial load is applied to realize a load state during use. Next, the lift 63 is moved up and down so as to match the position of the grid 17 to which the impact load is to be applied, and the load meter 61 is set so that the load meter 61 comes after the target grid 17. Thereafter, or simultaneously, the impact applying device 70 is set on the fuel assembly 10, and the height position of the moving table 73 is set so that the weight 79 hits the grid 17 to which the impact is applied. Then, the lifting arm driving device 81 is operated to lift the lifting arm 85 to a predetermined angle. Since the link arm 77 is connected to the lifting arm 85 by the connecting arm 83, the link arm 77 is inclined as shown by a two-dot chain line, and potential energy is given to the weight 79. When the connecting arm 83 is separated in this state, the weight 7
9 rotates clockwise and collides with the target grid 17. That is, an impact load is applied to a predetermined grid portion of the fuel assembly 10 and the fuel assembly 10 is deformed according to its characteristics. Then, immediately before the collision, the displacement of the weight 79 is recorded by the non-contact displacement meter 87, and the weight speed at the time of the collision is calculated. The impact load at the time of the collision is recorded by the load meter 61. A test is performed by changing the lifting angle of the lifting arm 85 variously to obtain desired characteristics.
FIG. 4 shows an example of the result. The solid curve shows the impact load-weight velocity characteristics according to the present invention, and the broken curve shows the results obtained by the conventional apparatus.
【００１０】[0010]
【発明の効果】以上説明したように、本発明によれば、
燃料集合体は実際の使用条件と同じ状態に保持された状
態で、グリッド部に横向き衝撃荷重が加えられるから、
現実の機械構造特性が測定される。As described above, according to the present invention,
Since the fuel assembly is held in the same condition as the actual use conditions, a horizontal impact load is applied to the grid part,
Real mechanical structural properties are measured.
【図１】本発明の実施形態を示す全体側面図である。FIG. 1 is an overall side view showing an embodiment of the present invention.
【図２】図１のII−II線に沿う部分平断面図である。FIG. 2 is a partial plan sectional view taken along line II-II of FIG.
【図３】図１のIII−III線に沿う部分平断面図である。FIG. 3 is a partial plan sectional view taken along the line III-III of FIG. 1;
【図４】前記実施形態の作用を説明するグラフである。FIG. 4 is a graph illustrating the operation of the embodiment.
【図５】本発明の試験対象である燃料集合体の一例を示
す全体側面図である。FIG. 5 is an overall side view showing an example of a fuel assembly to be tested according to the present invention.
【図６】図５の燃料集合体の一部を切り出して示す部分
斜視図である。FIG. 6 is a partial perspective view showing a part of the fuel assembly shown in FIG.
【図７】従来の試験に用いられる供試体の側面図であ
る。FIG. 7 is a side view of a test piece used for a conventional test.
【図８】従来の衝撃試験装置の全体図である。FIG. 8 is an overall view of a conventional impact test apparatus.
１０ 燃料集合体 １１ 上部ノズル １３ 下部ノズル １５ 案内管 １７ グリッド １９ 燃料棒 ５０ 試験装置 ５３ 受け台 ５７ 基盤 ５９ 加圧部 ６１ 荷重計 ６３ 昇降台 ７０ 衝撃付与装置 ７１ 昇降軸 ７３ 移動台 ７５ 案内軸 ７７ リンクアーム ７９ 重錘 ８１ 持ち上げアーム駆動装置 ８３ 連接アーム ８５ 持ち上げアーム ８７ 変位計 DESCRIPTION OF SYMBOLS 10 Fuel assembly 11 Upper nozzle 13 Lower nozzle 15 Guide tube 17 Grid 19 Fuel rod 50 Test device 53 Receiving stand 57 Base 59 Pressurizing part 61 Load cell 63 Lifting table 70 Impact applying device 71 Lifting shaft 73 Moving table 75 Guide shaft 77 Link arm 79 Weight 81 Lifting arm drive device 83 Connecting arm 85 Lifting arm 87 Displacement meter
───────────────────────────────────────────────────── フロントページの続き (72)発明者 小池 尚 兵庫県神戸市兵庫区和田崎町一丁目１番１ 号 三菱重工業株式会社神戸造船所内 (72)発明者 佐藤 敏彦 茨城県那珂郡東海村舟石川622番地12 ニ ュークリア・デベロップメント株式会社内 (72)発明者 秋武 淳一 茨城県那珂郡東海村舟石川622番地12 ニ ュークリア・デベロップメント株式会社内 Ｆターム(参考） 2G075 CA38 DA13 FA02 FA03 FA17 FA20 FC03 GA18 ──────────────────────────────────────────────────続 き Continued on the front page (72) Inventor Takashi Koike 1-1-1 Wadazakicho, Hyogo-ku, Hyogo-ku, Kobe-shi, Hyogo Mitsubishi Heavy Industries, Ltd. 622-12 Ishikawa 12 New Clear Development Co., Ltd. (72) Inventor Junichi Akitake 622-12 New Clear Development Co., Ltd. GA18
Claims (2)
立てた状態で置き、該燃料集合体の上部ノズルに加圧部
を取り付けて実使用時の軸方向荷重を該燃料集合体に付
与し、その状態を維持したままで該燃料集合体のグリッ
ド部に横方向より衝撃荷重を付与することを特徴とする
燃料集合体の横荷重衝撃試験方法。1. A fuel assembly which is a test object is placed on a receiving stand in an upright state, and a pressurizing portion is attached to an upper nozzle of the fuel assembly to apply an axial load in actual use to the fuel assembly. And applying an impact load to the grid portion of the fuel assembly from the lateral direction while maintaining the state.
合体を下方から支承する受け台、同受け台に隣接して立
設され剛な壁体に支持された基盤、同基盤に昇降自在に
設けられた昇降台、前記燃料集合体の上部に接触自在に
設けられ前記燃料集合体に使用時軸方向荷重を付与する
加圧部、及び前記燃料集合体に隣接して昇降自在に設け
られ前記燃料集合体のグリッド部に横向き衝撃荷重を付
与する衝撃付与装置を有し、前記昇降台に取り付けた荷
重計が前記グリッド部を介して前記衝撃荷重を受ける燃
料集合体の横荷重衝撃試験装置。2. A pedestal provided on a bottom surface for supporting a fuel assembly as a test object from below, a base erected adjacent to the pedestal and supported by a rigid wall, and raised and lowered on the base A freely-movable lifting platform, a pressurizing unit that is provided so as to be in contact with the upper part of the fuel assembly and applies an axial load to the fuel assembly when used, and is provided so as to be vertically movable adjacent to the fuel assembly. A lateral load impact test for a fuel assembly, which has an impact applying device for applying a lateral impact load to a grid portion of the fuel assembly, and wherein a load meter attached to the lift platform receives the impact load via the grid portion. apparatus.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2000259055A JP2002071875A (en) | 2000-08-29 | 2000-08-29 | Method and apparatus for lateral load impact test of fuel assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2000259055A JP2002071875A (en) | 2000-08-29 | 2000-08-29 | Method and apparatus for lateral load impact test of fuel assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JP2002071875A true JP2002071875A (en) | 2002-03-12 |
Family
ID=18747277
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2000259055A Withdrawn JP2002071875A (en) | 2000-08-29 | 2000-08-29 | Method and apparatus for lateral load impact test of fuel assembly |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2002071875A (en) |
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| KR100969940B1 (en) | 2008-12-26 | 2010-07-14 | 한전원자력연료 주식회사 | Impact testing machine |
| EP2503389A2 (en) | 2002-10-07 | 2012-09-26 | FUJIFILM Corporation | Non-resonant two-photon absorbing material, non-resonant two-photon emitting material, and method for inducing absorption or generating emission of non-resonant two photon by using the material. |
| CN103698210A (en) * | 2013-12-10 | 2014-04-02 | 中国核动力研究设计院 | Comprehensive mechanical property test device of fuel assembly and test method thereof |
| JP2014224796A (en) * | 2013-04-18 | 2014-12-04 | 原子燃料工業株式会社 | Nuclear reactor fuel assembly grid |
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| CN110136853B (en) * | 2019-05-14 | 2022-02-01 | 中国核动力研究设计院 | Fuel assembly impact test supporting device and frequency adjusting method thereof |
| WO2023104731A1 (en) * | 2021-12-07 | 2023-06-15 | Framatome | Method and machine for testing a spacer grid of a nuclear fuel assembly |
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