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The process of heat removal and depressurization is one of the most significant issues in nuclear safety design. The spray system and the passive containment cooling system (PCCS) are two essential safety arrangements to protect the integrity of the containment and the apparatus. In the present study, the performance of the combined cooling system is investigated by using three-dimensional CFD simulations...
The spray system is an emergency containment cooling strategy to depressurize and remove heat in the steam or hydrogen generation scenarios. Different kinds of phenomena including gas-droplets mixing, water vaporization, and steam condensation, are coupled into the complicated flow. The thermal-hydraulic simulation code GASFLOW is widely used and verified in series of containment experiments. Also,...
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