Residual Heat Removal

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Residual Heat Removal (RHR) is a mode of Low Pressure Injection System which is meant to cool the reactor core after its shutdown. Since fuel will still be reactive to some degree it will continue to give off heat. The RHR prevents the water covering the pool from getting hot and boiling off.

Modes

Shutdown Cooling

The shutdown cooling (SDC) mode of RHR is meant for long term reactor vessel to RHRSW heat exchangers.

Low Pressure Cooling Injection