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1.发明公开Method for ultrasonic inspection of a closely packed array of fuel rods 失效Verfahren zur Untersuchung einer dicht gepackten Brennstabanordnung。
公开(公告)号：EP0634653A1
公开(公告)日：1995-01-18
申请号：EP94304919.7
申请日：1994-07-05
CPC分类号： G21C17/06 , G01N29/09 , G01N29/11 , G01N29/22 , G01N2291/044
摘要： A method for ultrasonically inspecting a closely packed regular array of mutually parallel, uniformly sized and spaced rigid rods surrounded by a thin-walled metallic channel and immersed in a compressible medium. The method utilizes the properties of coherently scattered ultrasonic waves to identify rods which are defective, out of position or missing. A plane, monochromatic ultrasonic wave is transmitted toward the array of rods on one side thereof. Then an interference pattern produced on an opposing side of the array is detected. This interference pattern is the result of multiple scattering and diffraction of the plane ultrasonic wave during propagation through the array of rods. When the wavelength is comparable with the rod diameter and the rods are not too close together, scattering results in spatial relationships that produce an unusually large amount of wave penetration through the array in certain directions relative to the incident propagation vector. This is akin to Bragg scattering and is dependent on direction, wavelength, and details of the cylindrical array dimensions.
摘要翻译： 一种用于超声检查由薄壁金属通道包围并浸没在可压缩介质中的相互平行，均匀尺寸和间隔开的刚性杆的紧密包装的规则阵列的方法。 该方法利用相干散射超声波的性质来识别有缺陷，不在位或缺失的棒。 平面，单色超声波在其一侧朝向杆阵列传递。 然后检测在阵列的相对侧产生的干涉图案。 这种干涉图案是在通过棒阵列传播过程中平面超声波的多次散射和衍射的结果。 当波长与棒直径相当并且棒不太靠近在一起时，散射导致空间关系，其产生相对于入射传播矢量在特定方向上穿过阵列的异常大量的波穿透。 这类似于布拉格散射，取决于圆柱阵列尺寸的方向，波长和细节。
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2.发明公开System for detection of defective nuclear fuel rod 失效系统zur Erkennung von schadhaftenKernbrennstäben。
公开(公告)号：EP0677853A1
公开(公告)日：1995-10-18
申请号：EP95302387.6
申请日：1995-04-11
发明人： Pao, Hsueh-Wen , Snyder, Dane Thomas , Faulstich, David Louis , Ma, Johnny Tung-Chiu , Izzo, Kenneth Roy , Swanson, Joel Clyde , Laurent, Martin Sullivan , Kachel, Peter Frederick
IPC分类号： G21C17/07
CPC分类号： G21C17/07 , G21Y2002/202 , G21Y2004/30 , G21Y2004/40
摘要： A process and a system for detecting defective nuclear fuel assemblies in situ. The system includes two basic subsystems. The first subsystem is a sample collection system consisting of a hood (2) placed over the fuel. A technique whereby a vacuum is drawn across a submerged nozzle of a degas tank (14) is used to draw up the sample of fluid out of a fuel assembly (4). The second subsystem determines the amount of Kr-85 radio-isotope contained in the fluid sample. This information is used to determine whether the fuel assembly contains a defective, i.e., leaking, fuel rod. The measurement values for Kr-85 in the fluid sample extracted from the fuel assembly are compared to the measurement values for Kr-85 in fluid samples taken from the reactor pool prior to fuel assembly testing and fluid samples taken from non-leaking control cells, the latter values representing the background to which the subject fuel assembly is compared. Based on this comparison, a determination is made concerning whether the subject fuel assembly is defective.
摘要翻译： 一种现场检测有缺陷的核燃料组件的过程和系统。 该系统包括两个基本子系统。 第一个子系统是由放置在燃料上的罩（2）组成的采样系统。 使用通过脱气罐（14）的浸没喷嘴抽取真空的技术来将流体样品从燃料组件（4）中拉出。 第二个子系统确定流体样品中所含的Kr-85放射性同位素的量。 该信息用于确定燃料组件是否包含有缺陷的，即泄漏的燃料棒。 将从燃料组件提取的流体样品中的Kr-85的测量值与在燃料组装测试之前从反应池中获取的流体样品中的Kr-85的测量值和从非泄漏的控制电池获取的流体样品进行比较， 后一个值表示对象燃料组件与之比较的背景。 基于该比较，确定主体燃料组件是否有缺陷。
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公开(公告)号：EP0434291A1
公开(公告)日：1991-06-26
申请号：EP90313488.0
申请日：1990-12-12
摘要： A fuel handling system for nuclear reactor plants, in which underwater grapple means (26) for transferring fuel units while submerged within a water containing reactor vessel contain a camera (32) connected (34) to a remotely located monitor.
摘要翻译： 一种用于核反应堆设备的燃料处理系统，其中用于在淹没在含水反应堆容器内的情况下传送燃料单元的水下抓斗装置（26）包含连接到远程位置的监视器的相机（32）。
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公开(公告)号：EP0677853B1
公开(公告)日：1999-07-07
申请号：EP95302387.6
申请日：1995-04-11
发明人： Pao, Hsueh-Wen , Snyder, Dane Thomas , Faulstich, David Louis , Ma, Johnny Tung-Chiu , Izzo, Kenneth Roy , Swanson, Joel Clyde , Laurent, Martin Sullivan , Kachel, Peter Frederick
IPC分类号： G21C17/07
CPC分类号： G21C17/07 , G21Y2002/202 , G21Y2004/30 , G21Y2004/40
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5.发明公开Nuclear refueling platform drive system 失效Antriebsvorrichtungfüreinen Laufkran zum Beladen mit nuklearen Brennstoffelementen。
公开(公告)号：EP0501606A1
公开(公告)日：1992-09-02
申请号：EP92300631.6
申请日：1992-01-24
IPC分类号： B66C9/16
摘要： A drive system for propelling first and second drive trucks (18,20) of a bridge (12) includes a first motor (46 l ) and transmission (32 l ) for driving the first truck (18), an independent second motor (46 r ) and transmission (32 r ) for driving the second truck (20) and a controller (40) for coordinating the first (46 l ) and second motors (46 r ) for maintaining differential transverse travel between the first and second drive trucks (18,20) to less than a predetermined maximum. A first closed-loop (82 l ) controls velocity of the first drive truck (18), a second closed-loop (82 r ) controls velocity of the second drive truck (20), and an auxiliary closed-loop (90) senses a difference in travel of the first and second drive trucks (18,20) and adjusts performance of at least one of the first and second closed-loops (82 l , 82 r ).
摘要翻译： 用于推进桥梁（12）的第一和第二驱动卡车（18,20）的驱动系统包括用于驱动第一卡车（18）的第一马达（46）和传动装置（32），独立的 用于驱动第二货车（20）的第二电动机（46）和变速器（32）;以及用于协调第一（46）和第二电动机（46）的控制器（40），用于 保持第一和第二驱动卡车（18,20）之间的差动横向行程小于预定的最大值。 第一闭环（82 <1）控制第一驱动卡车（18）的速度，第二闭环（82）控制第二驱动卡车（20）的速度和辅助闭环 （90）感测到第一和第二驱动卡车（18,20）的行进差异，并且调节第一和第二闭环（82 <，82）中的至少一个的性能。
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公开(公告)号：EP0677853B2
公开(公告)日：2005-12-14
申请号：EP95302387.6
申请日：1995-04-11
发明人： Pao, Hsueh-Wen , Snyder, Dane Thomas , Faulstich, David Louis , Ma, Johnny Tung-Chiu , Izzo, Kenneth Roy , Swanson, Joel Clyde , Laurent, Martin Sullivan , Kachel, Peter Frederick
IPC分类号： G21C17/07
CPC分类号： G21C17/07 , G21Y2002/202 , G21Y2004/30 , G21Y2004/40
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公开(公告)号：EP0411841A1
公开(公告)日：1991-02-06
申请号：EP90308262.6
申请日：1990-07-27
IPC分类号： G21C19/16
CPC分类号： G21C19/16
摘要： A refueling mast for a reactor complex includes nested generally cylindrical tubes (132, 134). The inner tube has vertical grooved tracks formed therein. The outer tube has a guide roller (224) mounted thereon with grooves which mate with track grooves of a respective track on the adjacent inner tube. Track grooves are cold formed moving a roller die tool up and down the inner tube, while increasing pressure on the incorporated die rollers. This process flattens the inner tube where the tracks are being formed. The grooved tracks and the associated flattening provide the torsional rigidity required on the mast tubes for precise positioning and orientation of fuel elements.
摘要翻译： 用于反应器复合体的加油桅杆包括嵌套的大体圆柱形管（132,134）。 内管具有形成在其中的垂直沟槽轨道。 外管具有安装在其上的引导辊（224），其具有与相邻内管上的相应轨道的轨道槽匹配的凹槽。 轨道槽是冷成型的，使滚筒模具工具在内管上下移动，同时增加了包含的模具辊上的压力。 该过程使形成轨迹的内管变平。 带槽的轨道和相关的平坦化提供了用于燃料元件的精确定位和取向的桅杆管所需的扭转刚度。
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