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Table 3: Main parameters of SG and PRHRS.

Parameter Value Initial core power 160 MW Steam generator  Primary operation pressure 15.5 MPa  Primary mass flow rate 980 kg /s  Primary inlet temperature 295  Primary outlet temperature 265  Secondary mass flow rate 60 kg /s  Secondary inlet temperature 60  Secondary outlet temperature 270  Secondary pressure 3.0 MPa  Diameter of inner tube mm  Diameter of outer tube mm  Length of the tube 2.0 m Passive heat removal system  Secondary initial temperature 30  Secondary initial pressure 3.0 MPa  Diameter of tube  mm  Length of the tube 2.0 m  Water temperature of WP 30  WP pressure 0.1 MPa