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公开(公告)号：US5402457A
公开(公告)日：1995-03-28
申请号：US161880
申请日：1993-12-03
摘要： In a fuel assembly, rods are disposed in meshes of a grid. Crossing points of the grid are distributed in a checker-board-like manner, partly in an upstream crossing plane and partly in a downstream crossing plane. Webs of the grid run in zigzag form between the two planes. As a result, flow resistance which is produced by the webs and/or by mixing vanes disposed thereon and by flow turbulences is shifted into different axial planes and is considerably reduced.
摘要翻译： 在燃料组件中，杆设置在网格的网格中。 电网的交叉点以类似棋盘的方式分布，部分地在上游交叉平面中，部分地分布在下游交叉平面中。 网格网格在两个平面之间以锯齿形形式运行。 结果，通过腹板和/或通过混合设置在其上的叶片和流动湍流产生的流动阻力被转移到不同的轴向平面中并且显着减小。
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公开(公告)号：US20060056574A1
公开(公告)日：2006-03-16
申请号：US11127820
申请日：2005-05-12
申请人： Hans Kemner , Gunter Bruch
发明人： Hans Kemner , Gunter Bruch
IPC分类号： G21C3/34
CPC分类号： G21C3/322 , G21C3/356 , G21Y2002/201 , G21Y2002/304 , G21Y2004/302 , Y02E30/38
摘要： A spacer for a fuel assembly for a light water nuclear reactor contains a plurality of intercrossed segments, which form a grid. The segments are formed from first and second metal strips which are assembled and provided with protruding parts or corrugations in such a way that the adjacent protruding parts are embodied in such a way that a flow component perpendicular to a vertical central plane which extends between the metal strips is applied to cold water running out from the flow sub-channel.
摘要翻译： 用于轻水核反应堆的燃料组件的间隔件包含形成网格的多个交叉段。 这些段由第一和第二金属带形成，其被组装并设置有突出部分或波纹，使得相邻的突出部分被实施为使得垂直于垂直中心平面的流动分量在金属 条带被施加到从流动子通道流出的冷水中。
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