安全壳地坑碎片传输过程研究与优化分析

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Study and Optimization of Debris Transport in Containment Sump

摘要: 研究CPR1000核电厂安全壳地坑碎片传输过程,对各种降低地坑滤网碎片负载的手段进行分析与计算,最终通过设置中间拦截器的方式使碎片传输流场更趋平稳,增加碎片前端沉降份额,有效降低滤网的碎片负载,提高地坑滤网安全裕量。
- 地坑滤网 /
- 中间拦截 /
- 碎片传输
Abstract: The process of debris transport in containment sump of CPR1000 nuclear power plant is studied,and different methods to decrease the debris load on the filter are analyzed and calculated.It is found that by setting some internal barriers into the containment sump,the flow in the sump will be more steady,and the debris load that can be transported to the filter will be reduced.Therefore,safer margin for sump filter design can be provided.
- Containment sump filter /
- Internal barrier /
- Debris transport