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首页> 外文会议>NATO Advanced Research Workshop on Safety Related Issues of Spent Nuclear Fuel Storage >MANAGING SPENT FUEL IN WET STORAGE AT THE SAVANNAH RIVER SITE
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MANAGING SPENT FUEL IN WET STORAGE AT THE SAVANNAH RIVER SITE

机译：在大草原河网站管理湿储存中的燃料

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摘要

Spent nuclear fuels (SNFs) received from reactor sites around the world are being stored in the L-Basin at the Savannah River site (SRS) in Aiken, South Carolina. The predominant fuel types are research reactor fuel with aluminum-alloy cladding and aluminum-based fuel. Other fuel materials include stainless steel and zircaloy cladding with uranium oxide fuel. Standing chemistry control and corrosion surveillance programs have been established and upgraded since the early 1990s to minimize corrosion degradation of the aluminum cladding materials, so as to maintain fuel integrity and minimize personnel exposure from radioactivity in the basin water. Recent activities that have been initiated to support additional decades of wet storage include fuel inspection and corrosion testing to evaluate the effects of specific water impurity species on corrosion attack. An overview is given of the activities that have been successful at maintaining spent fuel integrity in wet storage at SRS. Additional topics, including the role of the surface oxide layer in stabilizing aluminum against corrosion during wet storage, and recent research program findings of exfoliation of aluminum during high-heat flux exposure to water that may occur in high power reactor operation, are discussed.
机译：从世界各地的反应堆站点收到的废弃核燃料（SNF）正在南卡罗来纳州艾肯河网站（SRS）的L-盆地。主要的燃料类型是具有铝合金包层和铝基燃料的研究反应堆燃料。其他燃料材料包括不锈钢和锆石覆盖物与氧化铀燃料。自20世纪90年代初以自20世纪90年代初以自20世纪90年代初以来，常设化学控制和腐蚀监测计划已经确定和升级，以尽量减少铝包覆材料的腐蚀降解，从而保持燃料完整性，并最大限度地减少盆地水中的放射性人员暴露。最近已启动的活动，以支持额外数十年的湿储存，包括燃料检查和腐蚀检测，以评估特定水杂质物种对腐蚀攻击的影响。概述了解在SRS在湿储存中保持花费的燃料完整性的活动。讨论讨论了涉及在湿储存期间稳定铝抗腐蚀抗腐蚀的表面氧化物层的作用，以及在高热量通量暴露于高功率反应器操作中可能发生的水中铝的剥离铝的研究结果。

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