The steam generator allows the heat generated by the reactor core to be removed and thus the reactor coolant system to be cooled.
Its single-phase leg (reactor coolant system) consists of a multitude of U-shaped tubes through which the liquid water at a temperature of 324 °C coming directly from the reactor circulates. When it comes into contact with the two-phase leg, this water transfers its heat to the secondary cooling system. It comes out of the tubes at 289 °C before being pumped back into the reactor and heated up again.

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