摘要
水下逐点扫描测量超长大剂量率γ柱状放射源既能有效减少人员受照射风险,又能准确获取放射源轴向上γ剂量率的分布曲线。针对这种测量方法,论文研制了一套专用测量装置。该装置具有结构紧凑,探头扫描距离长、扫描分辨率高,量程范围宽等优点。经验证测量数据准确可靠。
Underwater point-by-point scanning measurement of ultra-long and large-dose rate gamma columnar radioactive sources can not only effectively reduce the exposure risk of personnel,but also accurately obtain the distribution curve of gamma dose rate in the direction of radiation source axial.Aiming at this measurement method,a special measuring device is developed.The device has the advantages of compact structure,long scanning distance,high scanning resolution and wide range.The measurement data are proved to be accurate and reliable.
作者
陆星
林建华
邓伟杰
李林洪
LU Xing;LIN Jian-hua;DENG Wei-jie;LI Lin-hong(The 1st Sub-Institute of Nuclear Power Institute of China,Chengdu 610004,China)
出处
《工程建设与设计》
2019年第12期163-165,共3页
Construction & Design for Engineering
关键词
水下γ测量
超长柱状源
环形准直
自动理绳
扫描分辨率
underwater gamma measurement
ultra-long cylindrical radiation source
ring collimation
automatic rope arrangement
scanning resolution
