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[en] Neutron irradiation inside an operating nuclear reactor changes the dimensions of the reactor fuel assembly and its components. For example, irradiation can lengthen the fuel assembly and fuel rods, and change the gap between fuel rods. Mitsubishi Heavy Industries, Ltd. and Mitsubishi Nuclear Fuel Co., Ltd. have jointly developed a new, computer-assisted system to measure such changes. Using this system, a fuel assembly can be videotaped with underwater cameras and its dimensions precisely analyzed through efficient processing and automatic measurement of the video images. (author)
Source
International Atomic Energy Agency, Vienna (Austria); 135 p; ISSN 1011-4289; 
; Nov 1998; p. 29-34; Technical Committee meeting on poolside inspection, repair and reconstitution of LWR fuel elements; Bad Zurzach (Switzerland); 7-10 Oct 1997; 6 figs, 1 tab
; Nov 1998; p. 29-34; Technical Committee meeting on poolside inspection, repair and reconstitution of LWR fuel elements; Bad Zurzach (Switzerland); 7-10 Oct 1997; 6 figs, 1 tab