New RELAP5-3D Lead and LBE Thermophysical Properties Implementation for Safety Analysis of Gen IV Reactors

Table 3

The LBE and Lead critical parameters.

Name	LBE	Lead
Critical temperature “” (K)	4800 ± 500 K	5000 ± 200 K
Critical pressure “” (MPa)	160 ± 70 MPa	180 ± 30 MPa
Critical density “” (kg m^−3)	2200 ± 200 kg m^−3	3250 ± 100 kg m^−3
Critical compressibility “”	0.3790 ± 0.2398	0.2760 ± 0.0655