Changeset 768 for branches/gui/eml/stage_separators/reboiler.mso

Timestamp:

Jun 17, 2009, 6:45:31 PM (13 years ago)

Author:

gerson bicca

Message:

added pressure drop equation

File:

• branches/gui/eml/stage_separators/reboiler.mso (modified) (2 diffs)

branches/gui/eml/stage_separators/reboiler.mso

@@ -385 +385 @@
         out     PCI as control_signal   (Brief="Pressure Indicator of Reboiler", Protected = true, PosX=1, PosY=0.10);
         
-        M(NComp)        as mol                                  (Brief="Molar Holdup in the tray");
-        ML                              as mol                                  (Brief="Molar liquid holdup");
-        MV                              as mol                                  (Brief="Molar vapour holdup");
-        E                                       as energy                       (Brief="Total Energy Holdup on tray");
-        vL                              as volume_mol   (Brief="Liquid Molar Volume");
-        vV                              as volume_mol   (Brief="Vapour Molar volume");
-        rhoV                    as dens_mass            (Brief="Vapour Density");
-        Level                   as length                               (Brief="Level of liquid phase");
+        M(NComp)        as mol                                  (Brief="Molar Holdup in the tray", Protected = true);
+        ML                              as mol                                  (Brief="Molar liquid holdup", Protected = true);
+        MV                              as mol                                  (Brief="Molar vapour holdup", Protected = true);
+        E                                       as energy                       (Brief="Total Energy Holdup on tray", Protected = true);
+        vL                              as volume_mol   (Brief="Liquid Molar Volume", Protected = true);
+        vV                              as volume_mol   (Brief="Vapour Molar volume", Protected = true);
+        rhoV                    as dens_mass            (Brief="Vapour Density", Protected = true);
+        Level                   as length                               (Brief="Level of liquid phase", Protected = true);
+        Pdrop                   as press_delta          (Brief = "Pressure Drop", DisplayUnit = 'kPa', Symbol ="\Delta P", Protected=true);
 
 INITIAL
@@ -437 +438 @@
         OutletLiquid.T = OutletVapour.T;
 
+"Pressure Drop"
+        OutletLiquid.P  = InletLiquid.P - Pdrop;
+
 "Geometry Constraint"
         V = ML*vL + MV*vV;