functionu_pTX_der
Derivative of internal energy
Extends from Modelica.Icons.Function (Icon for functions).
Inputs
| Type | Name | Default | Description |
|---|---|---|---|
| SI.AbsolutePressure | p | Pressure | |
| SI.Temperature | T | Temperature | |
| SI.MassFraction[:] | X | Modelica.Media.Air.ReferenceMoistAir.reference_X | Mass fractions |
| Real | p_der | Derivative of pressure | |
| Real | T_der | Derivative of temperature | |
| Real[:] | X_der | Derivative of mass fractions |
Outputs
| Type | Name | Default | Description |
|---|---|---|---|
| Real | u_der | Derivative of specific entropy |