船用堆SGTR事故下舱室放射性活度分析

摘要

The steam generator tube rupture (SGTR) accident of a marine nuclear reactor was analyzed, and mathematic model for the radionuclides' transport and leak was built. Coupled with the thermal-hydraulic results, the radioactivity in a certain cabin of the marine nuclear facility was got. The mathematic model is helpful for radioactivity analysis and protection. The mathematic model has been already used in the radioactivity analysis platform for typical accidents of the marine nuclear reactor.%分析了船用堆蒸汽发生器传热管破裂(SGTR)事故的进程,采用热工水力计算耦合放射性源项分析方法,建立放射性核素迁移、泄漏的数学模型,计算了该船用核动力装置特定舱室的放射性活度,为SGTR事故放射性后果分析、辐射防护措施制定提供了依据.该模型已应用于船用堆典型运行事故放射性后果分析平台.