MODELLING 3D STEAM TURBINE FLOW USING THERMODYNAMIC PROPERTIES OF STEAM IAPWS-95
An approach to approximate equations of state for water and steam (IAPWS-95) for the calculation of three-dimensional flows of steam in turbomachinery in a range of operation of the present and future steam turbines is described. Test calculations of three-dimensional viscous flow in an LP steam turbine using various equations of state (perfect gas, Van der Waals equation, equation of state for water and steam IAPWS-95) are made. The comparison of numerical results with experimental data is also presented.
Keywords:Three-dimensional viscous flow, steam turbine, low-pressure cylinder, sets of equations of state for water and steam IAPWS-95, approximations of equations
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