...
  • 主题
高级搜索  >
历史搜索 清空历史
首页> 外文期刊>Journal of nuclear science and technology >Fission Gas Release from Nuclear Fuels, (II)Fission Gas Release from Nuclear Fuels during Low Temperature, Low Dose Irradiation
【24h】

Fission Gas Release from Nuclear Fuels, (II)Fission Gas Release from Nuclear Fuels during Low Temperature, Low Dose Irradiation

机译：核燃料释放的裂变气体（II）低温，低剂量辐照期间核燃料产生的裂变气体

获取原文
           
页面导航
  • 摘要
  • 著录项
  • 相似文献
  • 相关主题

摘要

The release behavior of fission gases in U-metal, UO2 and uranium carbides, irradiated at arelatively low temperature (below 100°C) to low dosage, was studied by out-of-pile experiments.It was found that fission gas (183Xe) released from a specimen by fission fragment recoil is mostlycaptured in the wall of the irradiating capsule or in the capsule support material.The amount of fission gas released into the void space of the capsule is proportional to thesurface area and to the fuel burn-up, and is controlled by a knock-out release mechanism. Thenumber of U atoms considered to take part in the knock-out mechanism by evaporation or displacement due to the intrusion of a recoil fission fragment, is estimated to be 1.4×105-2.7×105 atoms for U-metal and 5×104-10×104 atoms for UO2 and uranium carbides.
机译：通过堆外实验研究了在相对较低的温度（低于100°C）下辐照到低剂量的U-金属，UO2和碳化铀中裂变气体的释放行为，发现裂变气体（183Xe）裂变碎片后坐力从标本中释放出的气体大部分被捕获在辐照舱壁或舱室支撑材料中。释放到舱室空隙中的裂变气体的量与表面积和燃料燃烧成正比，并由敲除释放机构控制。被认为是由于后坐裂变碎片的侵入而通过蒸发或位移而参与敲除机制的U原子数，对于U型金属估计为1.4×105-2.7×105个原子，而5×104-10个UO2和碳化铀的×104个原子。

著录项

相似文献

  • 外文文献
  • 中文文献
  • 专利
获取原文

客服邮箱：kefu@zhangqiaokeyan.com

京公网安备：11010802029741号 ICP备案号：京ICP备15016152号-6 六维联合信息科技 (北京) 有限公司©版权所有

  • 客服微信

  • 服务号