source: trunk/eml/mixers_splitters/splitter.mso @ 286

#*-------------------------------------------------------------------
* EMSO Model Library (EML) Copyright (C) 2004 - 2007 ALSOC.
*
* This LIBRARY is free software; you can distribute it and/or modify
* it under the therms of the ALSOC FREE LICENSE as available at
* http://www.enq.ufrgs.br/alsoc.
*
* EMSO Copyright (C) 2004 - 2007 ALSOC, original code
* from http://www.rps.eng.br Copyright (C) 2002-2004.
* All rights reserved.
*
* EMSO is distributed under the therms of the ALSOC LICENSE as
* available at http://www.enq.ufrgs.br/alsoc.
*
*----------------------------------------------------------------------
* Author: Maurício Carvalho Maciel, Paula B. Staudt, Rafael P. Soares
* $Id: splitter.mso 269 2007-06-16 18:50:11Z rafael $
*--------------------------------------------------------------------*#


using "streams";

Model splitter_n
        ATTRIBUTES
        Pallete         = true;
        Icon            = "splitter_n"; 
        Brief           = "Model of a splitter";
        Info            = "
        Assumptions:
                * thermodynamics equilibrium
                * adiabatic
                        
        Specify:
                * the inlet stream
                * (Noutlet - 1) fraction of split of the outlet streams:
                                frac(i) = (Mole Flow of the outlet stream i / 
                                                                        Mole Flow of the inlet stream)
                                where i = 1, 2,...,Noutlet
        ";
        
        PARAMETERS
        NOutlet as Integer (Brief = "Number of Outlet Streams", Lower = 1);
        
        VARIABLES
in      Inlet   as stream;
out Outlet(NOutlet)  as stream;
        frac(NOutlet) as fraction (Brief = "Distribution of Outlets", Default=0.5);

        EQUATIONS
        
        sum(frac) = 1;
        
        for i in [1:NOutlet]
                
                "Flow"
                Outlet(i).F = Inlet.F*frac(i);
                
                "Composition"
                Outlet(i).z = Inlet.z;
        
                "Pressure"
                Outlet(i).P = Inlet.P;
        
                "Enthalpy"
                Outlet(i).h = Inlet.h;
        
                "Temperature"   
                Outlet(i).T = Inlet.T;
         
                "Vapourisation Fraction"
                Outlet(i).v = Inlet.v;
        end

end


Model splitter
        ATTRIBUTES
        Pallete         = true;
        Icon            = "splitter"; 
        Brief           = "Splitter with 2 outlet streams";
        Info            = "
        Assumptions:
                * thermodynamics equilibrium
                * adiabatic
                        
        Specify:
                * the inlet stream
                * (Noutlet - 1) fraction of split of the outlet streams:
                                frac(i) = (Mole Flow of the outlet stream i / 
                                                                        Mole Flow of the inlet stream)
                                where i = 1, 2,...,Noutlet
        ";

        VARIABLES
in  Inlet   as stream;
out Outlet1 as stream;
out Outlet2 as stream;
        frac as fraction (Brief = "Fraction to Outlet 1");

        EQUATIONS
        "Flow"
        Outlet1.F = Inlet.F * frac;
        Outlet1.F + Outlet2.F = Inlet.F;
        "Composition"
        Outlet1.z = Inlet.z;
        Outlet2.z = Inlet.z;
        "Pressure"
        Outlet1.P = Inlet.P;
        Outlet2.P = Inlet.P;
        "Enthalpy"
        Outlet1.h = Inlet.h;
        Outlet2.h = Inlet.h;
        "Temperature"
        Outlet1.T = Inlet.T;
        Outlet2.T = Inlet.T;
        "Vapourisation Fraction"
        Outlet1.v = Inlet.v;
        Outlet2.v = Inlet.v;
end