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-within Simulator.UnitOperations;
-
-model Valve "Model of a valve to regulate the pressure of a material stream"
- extends Simulator.Files.Icons.Valve;
- parameter Simulator.Files.ChemsepDatabase.GeneralProperties C[Nc];
- parameter Integer Nc = 3 "Number of components";
- //====================================================================================
- Real Fin(unit = "mol/s", min = 0, start = Fg) "Inlet stream molar flow rate";
- Real Pin(unit = "Pa", min = 0, start = Pg) "Inlet stream pressure";
- Real Tin(unit = "K", min = 0, start = Tg) "Inlet stream emperature";
- Real Hin(unit = "kJ/kmol",start=Htotg) "Inlet stream molar enthalpy";
- Real Sin(unit = "kJ/[kmol.K]") "Inlet stream molar entropy";
- Real xvapin(unit = "-", min = 0, max = 1, start = xvapg) "Inlet stream vapor phase mole fraction";
-
- Real Tdel(unit = "K") "Temperature increase";
- Real Pdel(unit = "Pa") "Pressure drop";
-
- Real Fout(unit = "mol/s", min = 0, start = Fg) "outlet stream molar flow rate";
- Real Pout(unit = "Pa", min = 0, start = Pg) "Outlet stream pressure";
- Real Tout(unit = "K", min = 0, start = Tg) "Outlet stream temperature";
- Real Hout(unit = "kJ/kmol",start=Htotg) "Outlet stream molar enthalpy";
- Real Sout(unit = "kJ/[kmol.K]") "Outlet stream molar entropy";
- Real x_c[Nc](each unit = "-", each min = 0, each max = 1, start = xg) "Component mole fraction";
- Real xvapout(unit = "-", min = 0, max = 1, start = xvapg) "Outlet stream vapor phase mole fraction";
- //========================================================================================
-
- //========================================================================================
- Files.Interfaces.matConn In(Nc = Nc) annotation(
- Placement(visible = true, transformation(origin = {-100, 0}, extent = {{-10, -10}, {10, 10}}, rotation = 0), iconTransformation(origin = {-100, 0}, extent = {{-10, -10}, {10, 10}}, rotation = 0)));
- Simulator.Files.Interfaces.matConn Out(Nc = Nc) annotation(
- Placement(visible = true, transformation(origin = {100, 0}, extent = {{-10, -10}, {10, 10}}, rotation = 0), iconTransformation(origin = {100, 0}, extent = {{-10, -10}, {10, 10}}, rotation = 0)));
- //========================================================================================
-
- extends GuessModels.InitialGuess;
-equation
-//connector equations
- In.P = Pin;
- In.T = Tin;
- In.F = Fin;
- In.H = Hin;
- In.S = Sin;
- In.x_pc[1, :] = x_c[:];
- In.xvap = xvapin;
- Out.P = Pout;
- Out.T = Tout;
- Out.F = Fout;
- Out.H = Hout;
- Out.S = Sout;
- Out.x_pc[1, :] = x_c[:];
- Out.xvap = xvapout;
-//=============================================================================================
- Fin = Fout;
-//material balance
- Hin = Hout;
-//energy balance
- Pin - Pdel = Pout;
-//pressure calculation
- Tin + Tdel = Tout;
-//temperature calculation
-annotation(
- Documentation(info = "<html><head></head><body><span style=\"font-size: 12px;\">The valve is used to simulate the pressure manipulation process of a material stream.</span><div style=\"font-size: 12px;\"><br></div><div style=\"font-size: 12px;\">To simulate a valve, one of the following calculation parameter must be provided:</div><div style=\"font-size: 12px;\"><div><ol><li>Outlet Pressure (Pout)</li><li>Pressure Drop (Pdel)</li></ol><div><br></div></div><div>For example on simulating a valve, go to&nbsp;<b><i>Examples</i></b>&nbsp;&gt;&gt; <b><i>Valve</i></b></div></div></body></html>"));
-
- end Valve;