Calculation modes in the WaterSteamPro Calculator

• F(P, T) - "Common properties" - water/steam properties are calculated with pressure and temperature data. Water condition area therewith is determined. If a point being calculated appears to lie on the saturation line, steam parameters are returned.

  Fig. 1. Calculations by the common functions

• F(P, H) - properties are calculated with pressure and specific enthalpy. Water condition area is automatically determined.
• F(P, S) - properties are calculated with pressure and specific entropy. Water condition area is automatically determined.
• F(H, S) - properties are calculated with specific enthalpy and specific entropy. Water condition area is automatically determined.
• F(Psat) - "Saturation line - pressure dependence" - presents properties of water/steam on the saturation line depending on pressure value.
• F(Tsat) - "Saturation line - temperature dependence" - presents water/steam properties in the saturation line depending on temperature value (analogously to the previous mode);
• F(P, X), F(T, X) - "Common properties including the two-phase area" - presents water/steam properties depending on pressure, temperature and vapor fraction. In so doing, the given mode appears analogous to the mode "Common properties" if a computed point lies not in the saturation line. Otherwise, water/water steam properties are calculated for the two-phase area depending on vapor fraction and temperature.
• Meta-Stable - properties are calculated with pressure and temperature using Meta-Stable functions of the WaterSteamPro