Changeset 311 for trunk

Timestamp:

Jul 13, 2007, 9:17:11 PM (16 years ago)

Author:

Argimiro Resende Secchi

Message:

Creating simple source and sink devices.

File:

• trunk/eml/streams.mso (modified) (2 diffs)

trunk/eml/streams.mso

@@ -203 +203 @@
 end
 
+Model simple_source
+        ATTRIBUTES
+        Icon = "icon/Source";
+        Brief = "Simple material stream source";
+        Info = "
+        This model should be used for boundary streams.
+        Usually these streams are known and come from another process
+        units.
+
+        The user should specify:
+         * Total molar flow
+         * Temperature
+         * Pressure
+         * Molar composition
+        ";
+
+        PARAMETERS
+        outer PP                        as Plugin               (Brief = "External Physical Properties", Type="PP");
+        outer NComp             as Integer              (Brief = "Number of chemical components", Lower = 1); 
+        
+        VARIABLES
+        out Outlet                      as stream;
+        x(NComp)                        as fraction                     (Brief = "Liquid Molar Fraction");
+        y(NComp)                        as fraction                     (Brief = "Vapour Molar Fraction");
+        hl                                      as enth_mol;
+        hv                                      as enth_mol;
+        
+        EQUATIONS
+        "Flash Calculation"
+        [Outlet.v, x, y] = PP.Flash(Outlet.T, Outlet.P, Outlet.z);
+        
+        "Overall Enthalpy"
+        Outlet.h = (1-Outlet.v)*PP.LiquidEnthalpy(Outlet.T, Outlet.P, x) +
+                Outlet.v*PP.VapourEnthalpy(Outlet.T, Outlet.P, y);
+
+        hl = PP.LiquidEnthalpy(Outlet.T, Outlet.P, x);
+        hv = PP.VapourEnthalpy(Outlet.T, Outlet.P, y);
+end
+
 Model sink
         ATTRIBUTES
@@ -278 +317 @@
 end
 
+Model simple_sink
+        ATTRIBUTES
+        Icon = "icon/Sink";
+        Brief = "Simple material stream sink";
+        Info = "
+        This model should be used for boundary streams when no additional
+        information about the stream is desired.
+        ";
+        
+        VARIABLES
+        in Inlet                as stream;
+end
+
 Model energy_stream
         ATTRIBUTES