Research on the Control of Containment Pressure of M310+ Under Severe Accident Condition
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Abstract
As the last safety barrier, containment plays an important role of containing fission products and protecting public and environment from the harm of radiation under accidents. In this paper, the model of M310+ in Tianwan NPP Unit 5 & 6 is set up by modular severe accident analysis code, systems for controlling of containment pressure are considered, and the variation of containment pressure under typical accident sequences is analyzed, finally the methods on control of containment pressure under severe accident are gained. The results can be used for the mitigation of severe accident happening in M310+ .
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