source: mso/sample/stage_separators/sample_tank.mso @ 86

#*-------------------------------------------------------------------
* 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.
*
*--------------------------------------------------------------------
* Sample file for tanks model
*--------------------------------------------------------------------
* 
* This sample file needs VRTherm (www.vrtech.com.br) to run.
*
*----------------------------------------------------------------------
* Author: Paula B. Staudt
* $Id: sample_tank.mso 86 2006-12-08 20:58:15Z paula $
*--------------------------------------------------------------------*#
using "stage_separators/tank";

FlowSheet tank_Test
        PARAMETERS
        PP      as CalcObject(Brief="Physical Properties",File="vrpp");
        NComp   as Integer;
        SET
        PP.Components = ["ethane", "propane", "propylene", "1-butene", "n-hexane"];
        PP.LiquidModel = "PR";
        PP.VapourModel = "PR";
        NComp = PP.NumberOfComponents;
        
        VARIABLES
        Qtank as heat_rate (Brief="Heat rate supplied to tank");
        
        DEVICES
        t as tank;
        s as stream_therm;
        
        CONNECTIONS
        s to t.Inlet;
        Qtank to t.Q;
        
        SPECIFY
        s.P = 480 * "kPa";
        s.T = 310 * "K";
        s.F = 180 * "kmol/h";
        s.z = 1.0/NComp; 
        s.v = 0.698; 
        
        Qtank = 0 * "J/s";
        t.Outlet.F = 179 * "kmol/h";
        
        SET
        t.Across = 2.20 * "m^2";
        
        INITIAL
        t.Outlet.T = 305 *"K";
        t.Level = 0.5 * "m";
        t.Outlet.z([1:4]) = 1.0/NComp;
        
        OPTIONS
        relativeAccuracy = 1e-5;
        time = [0:100:1000];
end

FlowSheet tank_cylindrical_Test
        PARAMETERS
        PP      as CalcObject(Brief="Physical Properties",File="vrpp");
        NComp   as Integer;
        SET
        PP.Components = ["propane", "propylene", "1-butene","1,3-butadiene", "n-hexane"];
        PP.LiquidModel = "PR";
        PP.VapourModel = "PR";
        NComp = PP.NumberOfComponents;

        VARIABLES
        Qtank as heat_rate (Brief="Heat rate supplied to tank");
        
        DEVICES
        t as tank_cylindrical;
        s as stream_therm;
        
        CONNECTIONS
        s to t.Inlet;
        Qtank to t.Q;
        
        SPECIFY
        s.F = 500 * "kmol/h";
        s.T = 300 * "K";
        s.P = 400 * "kPa";
        s.z = 1/NComp;
        s.v = 0.368;

        Qtank = 0 * "J/s";
        t.Outlet.F = 490 * "kmol/h";
        
        SET
        t.radius = 0.9 * "m";
        t.L = 7.12 * "m";
        
        INITIAL
        t.Outlet.T = 280*"K";
        t.Level = 1 * "m";
        t.Outlet.z([1:4]) = 1.0/NComp;
        
        OPTIONS
        relativeAccuracy = 1e-5;
        time = [0:100:1000];
end