Fuel assembly comprising a plurality of fuel rods
    2.
    发明公开
    Fuel assembly comprising a plurality of fuel rods 失效
    Kernbrennstabbündel,Strömungskosten,Dessen Erzeugungsverfahren und Kernreaktorspaltzone。

    公开(公告)号:EP0458360A1

    公开(公告)日:1991-11-27

    申请号:EP91108474.7

    申请日:1991-05-24

    申请人: HITACHI, LTD.

    IPC分类号: G21C3/324 G21C3/332

    摘要: A fuel assembly includes a plurality of fuel rods (4), fuel spacers (5) for securing the gaps between the fuel rods and a channel box (6). The channel box includes a) spacer support means (18) projecting inward and supporting the fuel spacer (15) in a transverse direction and b) creep deformation inhibition means (17) disposed at the lower end portion of the channel box and projecting inward The distance between the spacer support means (18) disposed to oppose one another in a horizontal direction is smaller than the distance between the creep deformation inhibition means (17) opposing one another in the horizontal direction.

    摘要翻译: 燃料组件包括多个燃料棒(4),用于固定燃料棒和通道箱(6)之间的间隙的燃料间隔件(5)。 通道箱包括:a)沿横向方向向内突出并支撑燃料间隔件(15)的间隔件支撑装置(18),以及b)设置在通道箱的下端部并向内突出的蠕变变形抑制装置(17) 在水平方向上彼此相对设置的间隔件支撑装置(18)之间的距离小于在水平方向上彼此相对的蠕变变形抑制装置(17)之间的距离。