HTR-10主氦风机腔室内核素沉积的计算

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Calculation of Nuclide Absorption in Upper Room of HTR-10 Helium Circulator

Institute of Nuclear and New Energy Technology, Tsinghua University, Beijing, 100084

摘要: 分析了SPATRA程序的物理模型和适用参数,给出了主氦风机上腔室沉积计算的方法,并利用沉积吸附的4层计算模型对上腔室主要核素的沉积情况进行了保守性预测。以两个重要核素137Cs和131I为例说明了沉积计算的结果。预测结果表明,主氦风机的核素沉积现象并不严重,经过简单防护就可以进行更换作业。
- 高温气冷堆 /
- 主氦风机 /
- 沉积吸附 /
- SPATRA
Abstract: This paper analyzes the physical model of SPATRA procedure and applicable data,proposes the calculation method for the nuclide absorption in the upper room of the primary helium circulator,and conservatively predicts the main nuclide adsorption in the upper room by the 4 layer calculation model.137Cs and 131I are taken as the example to explain the calculation result.The prediction results show that there is not much nuclide adsorpted in the primary helium circulator,and exchange activities can be carried out with certain protection.
- High temperature gas-cooled reactor /
- Primary helium circulator /
- Adsorption/absorption /
- SPATRA