function dv_Tp
import FCSys.Utilities.Polynomial;
extends Modelica.Icons.Function;
input Q.TemperatureAbsolute T = 298.15*U.K "Temperature" annotation(
Dialog(__Dymola_label = "<html><i>T</i></html>"));
input Q.PressureAbsolute p = p0 "Pressure" annotation(
Dialog(__Dymola_label = "<html><i>p</i></html>"));
input Q.Temperature dT = 0 "Derivative of temperature" annotation(
Dialog(__Dymola_label = "<html>d<i>T</i></html>"));
input Q.Pressure dp = 0 "Derivative of pressure" annotation(
Dialog(__Dymola_label = "<html>d<i>p</i></html>"));
output Q.VolumeSpecific dv "Derivative of specific volume" annotation(
Dialog(__Dymola_label = "<html>d<i>v</i></html>"));
end dv_Tp;