To process this page used the WaterSteamPro function "wspXSTD": vapor fraction [-] as function of temperature t [K], density r [kg/m3].
This function uses formula: X = rs * (rw - r) / (r * (rw - rs)), where rw = wspDSWT, rs = wspDSST. The range of validity is double-phase (water-vapor) area.
WaterSteamPro is a registered trademark of Moscow Power Engineering Institute (Technical University).
Copyright (c) MPEI (TU), 1999-2010.
Copyright (c) Konstantin A. Orlov, 1999-2010.