Changeset 783

Timestamp:

Jun 30, 2009, 12:28:57 PM (14 years ago)

Author:

gerson bicca

Message:

minor changes in tank model

File:

• branches/gui/eml/stage_separators/tank.mso (modified) (1 diff)

branches/gui/eml/stage_separators/tank.mso

@@ -45 +45 @@
 * the Inlet stream;
 * the outlet flow;
-* the tank Q.
+* the InletQ (requires an energy source).
 
 == Initial Conditions ==
-* the tank initial temperature (OutletL.T);
-* the tank initial level (Level);
-* (NoComps - 1) OutletL (OR OutletV) compositions.
+* the tank initial temperature;
+* the tank initial level;
+* the tank initial composition.
 ";
 
 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;
-        Across                          as area                         (Brief="Tank cross section area", Default=2);
-        L                                       as length                       (Brief="Tank length");
-        Vtotal                          as volume       (Brief="Tank total volume");
-        
-        Initial_Level                           as length               (Brief="Initial Level of the Tank");
-        Initial_Temperature                     as temperature  (Brief="Initial Temperature of Liquid");
-        Initial_Composition(NComp)      as fraction     (Brief="Initial Liquid Composition");
+        
+        pi                      as positive     (Brief="Pi value", Default=3.141593,Hidden=true);
+        Diameter                as length       (Brief="Tank internal Diameter",Default=1.5);
+        Across                  as area         (Brief="Tank cross section area", Hidden=true);
+        L                       as length       (Brief="Tank length",Default=5);
+
+        
+        Initial_Level                           as length               (Brief="Initial Level of the Tank",Default=1);
+        Initial_Temperature                     as temperature  (Brief="Initial Temperature of Liquid",Default=300);
+        Initial_Composition(NComp)      as positive     (Brief="Initial Liquid Composition",Lower=1E-8, Default=0.10);
 
 SET
-        Vtotal =Across*L;
+
+        Across = 0.25*pi*(Diameter)^2;
         
 VARIABLES
-in      Inlet                   as stream                               (Brief = "Inlet stream", PosX=0.3037, PosY=0, Symbol="_{in}");
+in      Inlet           as stream                       (Brief = "Inlet stream", PosX=0.3037, PosY=0, Symbol="_{in}");
 out     Outlet          as liquid_stream        (Brief = "Outlet liquid stream", PosX=1, PosY=1, Symbol="_{out}");
-in      InletQ                  as power                                (Brief="Rate of heat supply", PosX=1, PosY=0.7859, Symbol="_{in}"); 
-        Vfilled         as volume                               (Brief="Tank volume content");
-        Level                   as length                               (Brief="Tank level");
-        M(NComp)        as mol                                  (Brief="Molar Holdup in the tank");
-        E                                       as energy                               (Brief="Total Energy Holdup on tank");
-        vL                              as volume_mol           (Brief="Liquid Molar Volume");
+in      InletQ          as power                        (Brief="Rate of heat supply", PosX=1, PosY=0.7859, Symbol="_{in}",Protected=true); 
+        Vtotal          as volume                       (Brief="Tank total volume",Protected=true);
+        Vfilled         as volume                       (Brief="Tank volume content",Protected=true);
+        Level           as length                       (Brief="Tank level",Protected=true);
+        E                       as energy                       (Brief="Total Energy Holdup on tank",Protected=true);
+        vL                      as volume_mol           (Brief="Liquid Molar Volume",Protected=true);
+        M(NComp)        as mol                          (Brief="Molar Holdup in the tank",Protected=true);
 
 INITIAL
 
-        Level                                   = Initial_Level;
-        Outlet.T                                = Initial_Temperature;
-        Outlet.z(1:NComp-1)     = Initial_Composition(1:NComp-1)/sum(Initial_Composition);
+"Initial Level" 
+        Level = Initial_Level;
+
+"Initial Liquid Temperature"    
+        Outlet.T = Initial_Temperature;
+
+"Initial Liquid Composition"    
+        Outlet.z(1:NComp-1) = Initial_Composition(1:NComp-1)/sum(Initial_Composition);
 
 EQUATIONS
+
+"Tank total volume"
+        Vtotal = Across*L;
 
 "Mass balance"