Changeset 51 for mso/sample/reactors/fogler

Timestamp:

Nov 10, 2006, 2:28:01 PM (16 years ago)

Author:

Rodolfo Rodrigues

Message:

Add problem 2-4 and fixed bounds

File:

• mso/sample/reactors/fogler/chap2/series_reactors.mso (modified) (5 diffs)

mso/sample/reactors/fogler/chap2/series_reactors.mso

@@ -63 +63 @@
 out     Outlet  as stream; # Outlet stream
         r               as reaction_mol(Brief="Rate of reaction", Unit="mol/l/s");
-        V       as volume          (Brief="Volume", Unit="l");
+        V       as volume          (Brief="Volume", Unit="l", Upper=2e3);
 
         EQUATIONS
@@ -82 +82 @@
 in      Inlet   as stream; # Inlet stream
 out     Outlet  as stream; # Outlet stream
-        V       as volume          (Brief="Volume", Unit="l");
+        V       as volume          (Brief="Volume", Unit="l", Upper=2e3);
         r               as reaction_mol(Brief="Rate of reaction", Unit="mol/l/s");
         
@@ -103 +103 @@
 Model pfr_d
         PARAMETERS
-        N       as Integer              (Brief="Number of descrete points", Default=200);
+        N       as Integer              (Brief="Number of discrete points", Default=200);
         
         VARIABLES
 in      Inlet   as stream; # Inlet stream
 out     Outlet  as stream; # Outlet stream
-        V(N)    as volume           (Brief="Volume", Unit="l");
+        V(N)    as volume           (Brief="Volume", Unit="l", Upper=2e3);
         X(N)    as fraction             (Brief="Molar conversion");
         dx      as fraction     (Brief="Conversion increment");
@@ -258 +258 @@
 
 #*---------------------------------------------------------------------
+* Example 2-4: Comparing volumes between one CSTR and one PFR
+*--------------------------------------------------------------------*#
+
+FlowSheet comparative
+        VARIABLES
+        V_cstr  as volume       (Brief="CSTR volume", Unit="l");
+        V_pfr   as volume       (Brief="PFR volume", Unit="l");
+        
+        DEVICES
+        Inlet   as stream; # Inlet stream
+        CSTR    as cstr;
+        PFR             as pfr_d;
+
+        CONNECTIONS
+        Inlet   to CSTR.Inlet;
+        Inlet   to PFR.Inlet;
+        
+        EQUATIONS
+        "Rate of reaction in CSTR"
+        (-CSTR.r) = (0.0092*CSTR.Outlet.X^3 - 0.0153*CSTR.Outlet.X^2 + 0.0013*CSTR.Outlet.X + 0.0053)*"mol/l/s";
+        "Rate of reaction in PFR"
+        (-PFR.r) = (0.0092*PFR.X^3 - 0.0153*PFR.X^2 + 0.0013*PFR.X + 0.0053)*"mol/l/s";
+        
+        "CSTR volume"
+        V_cstr = CSTR.V;
+        "PFR volume"
+        V_pfr = PFR.V(PFR.N);
+        
+#       SET
+#       PFR.N   = 100;
+        
+        SPECIFY
+        "Inlet molar flow"
+        Inlet.F = 5.0*"mol/s";
+        "Inlet conversion"
+        Inlet.X = 0.0;
+        
+        "Required CSTR conversion"
+        CSTR.Outlet.X = 0.6;
+        "Required PFR conversion"
+        PFR.Outlet.X = 0.6;
+        
+        "Initial volume in PFR"
+        PFR.V(1) = 0.0*"l";
+        
+        OPTIONS
+        mode = "steady";
+end
+
+
+#*---------------------------------------------------------------------
 * Example 2-5: two CSTRs in serie
 *--------------------------------------------------------------------*#
@@ -306 +357 @@
 
 #*---------------------------------------------------------------------
-* Example 2-6: two PFRs in series (descreted)
+* Example 2-6: two PFRs in series (discreted)
 *--------------------------------------------------------------------*#