Abstract
Recent benchmark test “International Wet Steam Modelling Project” promoted by Joerg Starzmann et al. (Proc. Inst. Mech. Eng. A: J. Power Energy 232, 550–570, 2018) pointed out limitations of current numerical simulations of non-equilibrium condensation of steam. Especially, nucleation and droplet growth models as well as experiments still need some evolution. This paper is focused on the implementation of non-equilibrium condensation model intended for the wider range of pressures covering the typical expansion in steam turbine from high- to low-pressure parts. Due to the wide pressure range, a special attention has been also paid to the implementation of real thermodynamics. The properties of steam are implemented in the form of the spline-based table look-up method (SBTL) approximating the set of IAPWS-95/97 thermodynamics equations for water and steam.
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