| 摘要 |
A generally annular condenser compartment of a nuclear reactor containment structure contains a large quantity of fusible material in a solid state, such as ice, for absorbing the energy released from a loss-of-coolant accident in the reactor coolant system. Inlet and outlet doors, which are normally closed, are provided at the bottom and the top, respectively, of the condenser compartment to permit the necessary inflow and outflow of gases and liquids during a loss-of-coolant accident. The inlet doors and door ports are so constructed that during an accident, energy flow is distributed substantially uniformly into all sections of the condenser.
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