Changeset 482 for trunk/eml/heat_exchangers

Timestamp:

Mar 11, 2008, 3:34:37 PM (16 years ago)

Author:

gerson bicca

Message:

Double Pipe Incremental: added option to solve convergence problems from a simplified model

File:

• trunk/eml/heat_exchangers/DoublePipeIncr.mso (modified) (3 diffs)

trunk/eml/heat_exchangers/DoublePipeIncr.mso

@@ -199 +199 @@
         N                       as Integer      (Brief="Number of zones", Default = 2);
  Npoints        as Integer      (Brief="Number of incremental points", Default = 3);
+
+        CalculationApproach                             as Switcher             (Brief="Options for convergence Calculations ",Valid=["Simplified","Full"],Default="Full");
+        Qestimated                                                              as power                                (Brief="Estimated Duty", Default=70, Lower=1e-6, Upper=1e10);
         
         M(NComp)        as molweight    (Brief="Component Mol Weight");
@@ -762 +765 @@
         Details.Qtotal = sum(Details.Q);
 
+switch CalculationApproach
+        
+        case "Full":
+
 switch HotSide
 
@@ -777 +784 @@
 
         when InletInner.T < InletOuter.T switchto "outer";
+
+end
+
+        case "Simplified":
+        
+"Duty"
+        Details.Q = Qestimated/N;
 
 end