Specific inner energy in liquid region for given pressure and temperature
function u1_PT input Units.SI.AbsolutePressure p "Pressure"; input Units.SI.Temperature T "Temperature"; output Units.SI.SpecificEnergy u "Specific inner energy"; u1_PT_coef coef annotation( Placement(transformation(extent = {{-100, 80}, {-80, 100}}))); end u1_PT;