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公开(公告)号:US4313791A
公开(公告)日:1982-02-02
申请号:US794507
申请日:1977-05-06
CPC分类号: G01N29/225 , G01N29/38 , G21C17/07 , G01N2291/044
摘要: Defects in nuclear fuel elements are ascertained and located within an assembled fuel assembly by ultrasonic means. In a typical embodiment of the invention, an ultrasonic search unit is positioned within the fuel assembly opposite the lower plenum of the fuel element to be tested. An ultrasonic pulse is radially projected into the element. Defective fuel elements are ascertained by ultrasonic reflection measurements.
摘要翻译: 确定核燃料元件的缺陷并通过超声波装置位于组装的燃料组件内。 在本发明的典型实施例中,超声波搜索单元位于燃料组件内,与待测试的燃料元件的下部增压室相对。 超声波脉冲径向投影到元件中。 通过超声波反射测量确定有缺陷的燃料元件。