Abstract:
A newly constructed CNS facility at a research reactor adopts liquid hydrogen as moderator.Because the CNS facility in-pile parts was installed in reflector vessel,which is very closed to reactor core,the safety of CNS facility especially the in-pile parts is very important to the reactor.This paper analyzes the status of CNS in-pile parts in various conditions（including failure） and the accident consequences.The results show that the failure of the in-pile parts is limited to the CNS facility,which has no effect on the reactor safety.
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