Changeset 793 for branches/gui/eml/stage_separators/reboiler.mso

Timestamp:

Jul 15, 2009, 3:53:47 PM (13 years ago)

Author:

gerson bicca

Message:

updates

File:

• branches/gui/eml/stage_separators/reboiler.mso (modified) (5 diffs)

branches/gui/eml/stage_separators/reboiler.mso

@@ -20 +20 @@
 using "streams";
 
-Model reboiler
+Model reboiler2
         ATTRIBUTES
         Pallete         = true;
@@ -340 +340 @@
 end
 
-Model reboiler_column
+Model reboiler
         
 ATTRIBUTES
-        Pallete         = true;
-        Icon            = "icon/reboiler_column"; 
+        Pallete = true;
+        Icon    = "icon/Reboiler"; 
         Brief   = "Model of a dynamic reboiler - kettle with control.";
         Info            =
-"== Assumptions ==
+"== ASSUMPTIONS ==
 
 * perfect mixing of both phases;
@@ -353 +353 @@
 * no liquid entrainment in the vapour stream.
         
-== Specify ==
-
-* the liquid inlet stream;
+== SPECIFY ==
+
+* the InletLiquid stream;
 * the outlet flows: OutletVapour.F and OutletLiquid.F;
-* the model requires an energy stream.
-        
-== Initial Conditions ==
+* the InletQ (the model requires an energy stream, also you can use a controller for setting the heat duty using the heat_flow model).
+
+== OPTIONAL ==
+* the reboiler model has three control ports
+** TI OutletLiquid Temperature Indicator;
+** PI OutletLiquid Pressure Indicator;
+** LI Level Indicator of Reboiler;
+
+== INITIAL CONDITIONS ==
 
 * Initial_Temperature :  the reboiler temperature (OutletLiquid.T);
@@ -367 +373 @@
         
 PARAMETERS
-        outer PP                        as Plugin               (Brief = "External Physical Properties", Type="PP");
+        outer PP                as Plugin       (Brief = "External Physical Properties", Type="PP");
         outer NComp     as Integer      (Brief="Number of Components");
-        Across                          as area                 (Brief="Cross Section Area of reboiler");
-        V                                               as volume       (Brief="Total volume of reboiler");
-        
-        Initial_Level                                                           as length                               (Brief="Initial Level of liquid phase");
-        Initial_Temperature                                     as temperature  (Brief="Initial Temperature of Reboiler");
-        Initial_Composition(NComp)      as positive                     (Brief="Initial Liquid Composition",Lower=1E-6);
+        Across                  as area         (Brief="Cross Section Area of reboiler");
+        V                               as volume       (Brief="Total volume of reboiler");
+        
+        Initial_Level                           as length               (Brief="Initial Level of liquid phase");
+        Initial_Temperature                     as temperature  (Brief="Initial Temperature of Reboiler");
+        Initial_Composition(NComp)      as positive     (Brief="Initial Liquid Composition",Lower=1E-6);
 
 VARIABLES
 
-in      InletLiquid                     as stream                               (Brief="Liquid inlet stream", PosX=0, PosY=0.80, Symbol="_{inL}");
-out     OutletLiquid    as liquid_stream                (Brief="Liquid outlet stream", PosX=0.50, PosY=1, Symbol="_{outL}");
-out     OutletVapour    as vapour_stream        (Brief="Vapour outlet stream", PosX=0.50, PosY=0, Symbol="_{outV}");
-in      InletQ                  as power                                (Brief="Heat supplied", Protected = true, PosX=1, PosY=0.55, Symbol="_{in}");
-
-        out     TCI as control_signal   (Brief="Temperature  Indicator of Reboiler", Protected = true, PosX=1, PosY=0.40);
-        out     LCI as control_signal   (Brief="Level Indicator of Reboiler", Protected = true, PosX=1, PosY=0.25);
-        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", 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);
+in      InletLiquid     as stream                       (Brief="Liquid inlet stream", PosX=0.17, PosY=1, Symbol="_{in}^{Liquid}");
+out     OutletLiquid    as liquid_stream        (Brief="Liquid outlet stream", PosX=0.53, PosY=1, Symbol="_{out}^{Liquid}");
+out     OutletVapour    as vapour_stream        (Brief="Vapour outlet stream", PosX=0.17, PosY=0, Symbol="_{out}^{Vapour}");
+in      InletQ                  as power                        (Brief="Heat supplied", Protected = true, PosX=1, PosY=0.08, Symbol="Q_{in}");
+
+        out     TI as control_signal    (Brief="Temperature  Indicator of Reboiler", Protected = true, PosX=0.44, PosY=0);
+        out     LI as control_signal    (Brief="Level Indicator of Reboiler", Protected = true, PosX=0.53, PosY=0);
+        out     PI as control_signal    (Brief="Pressure Indicator of Reboiler", Protected = true, PosX=0.35, PosY=0);
+        
+        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, Symbol="\rho");
+        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
 
-        Level                                                                           = Initial_Level;
-        OutletLiquid.T                                                  = Initial_Temperature;
-        OutletLiquid.z(1:NComp-1)       = Initial_Composition(1:NComp-1)/sum(Initial_Composition);
+"Initial Level"
+        Level   = Initial_Level;
+
+"Initial Temperature"
+        OutletLiquid.T  = Initial_Temperature;
+
+"Initial Composition"
+        OutletLiquid.z(1:NComp-1) = Initial_Composition(1:NComp-1)/sum(Initial_Composition);
 
 EQUATIONS
+
 "Component Molar Balance"
         diff(M)= InletLiquid.F*InletLiquid.z    - OutletLiquid.F*OutletLiquid.z - OutletVapour.F*OutletVapour.z;
@@ -450 +462 @@
 
 "Temperature Indicator"
-        TCI * 'K' = OutletLiquid.T;
+        TI * 'K' = OutletLiquid.T;
 
 "Pressure Indicator"
-        PCI * 'atm' = OutletLiquid.P;
+        PI * 'atm' = OutletLiquid.P;
 
 "Level indicator"
-        LCI*V = Level*Across;
+        LI*V = Level*Across;
 
 end