Thermodynamic
properties of real fluids
- p-v-T equation
compressibility factor z
compressibility factor z
- z is
assumed to change linearly
with pressure err<2%
with pressure err<2%
- Antoine equation for saturation
temperature
temperature
-
Clapeyron equation for latent heat
- Coefficient in the pressure correction
equation
- Coefficient in the pressure correction
equation
- Ideal fluids . . . . . . . . . . . . . . . .
- Real fluids . . . . . . . . . . . . . . . .
In any p-v-T equation for real fluids, only pressure is defined explicitly
All other variables are then calculated by an iterative procedure
