| 1 | #*--------------------------------------------------------------------- |
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| 2 | * EMSO Model Library (EML) Copyright (C) 2004 - 2007 ALSOC. |
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| 3 | * |
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| 4 | * This LIBRARY is free software; you can distribute it and/or modify |
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| 5 | * it under the therms of the ALSOC FREE LICENSE as available at |
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| 6 | * http://www.enq.ufrgs.br/alsoc. |
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| 7 | * |
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| 8 | * EMSO Copyright (C) 2004 - 2007 ALSOC, original code |
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| 9 | * from http://www.rps.eng.br Copyright (C) 2002-2004. |
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| 10 | * All rights reserved. |
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| 11 | * |
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| 12 | * EMSO is distributed under the therms of the ALSOC LICENSE as |
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| 13 | * available at http://www.enq.ufrgs.br/alsoc. |
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| 14 | * |
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| 15 | *---------------------------------------------------------------------- |
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| 16 | * Sample of a Gibbs reactor |
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| 17 | *---------------------------------------------------------------------- |
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| 18 | * |
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| 19 | * This sample file needs VRTherm (www.vrtech.com.br) to run. |
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| 20 | * |
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| 21 | *---------------------------------------------------------------------- |
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| 22 | * |
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| 23 | * This is a sample based on a problem of the book "Introduction to |
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| 24 | * Chemical Engineering Thermodynamics" by Smith, Van Ness and Abbott, |
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| 25 | * 5th ed., 1996. |
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| 26 | * |
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| 27 | *---------------------------------------------------------------------- |
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| 28 | * Author: Rodolfo Rodrigues |
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| 29 | * $Id$ |
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| 30 | *--------------------------------------------------------------------*# |
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| 31 | |
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| 32 | using "reactors/gibbs"; |
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| 33 | |
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| 34 | |
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| 35 | #*--------------------------------------------------------------------- |
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| 36 | * Problem 15.13 - p.543 (Brazilian edition) |
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| 37 | * |
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| 38 | * System in gasosous fase contents CH4, H2O, CO, CO2, and H2 |
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| 39 | * |
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| 40 | * Initial conditions |
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| 41 | * 1bar, 1000K, 2mol of CH4 and 3mol of H2O |
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| 42 | * |
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| 43 | * Specify |
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| 44 | * Outlet.T |
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| 45 | * Outlet.P |
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| 46 | * |
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| 47 | * Return |
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| 48 | * Outlet.z |
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| 49 | ---------------------------------------------------------------------*# |
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| 50 | |
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| 51 | FlowSheet sample_gibbs_vap |
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| 52 | PARAMETERS |
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| 53 | PP as Plugin(Brief="External physical properties", Type="PP", |
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| 54 | Components = ["methane","water","carbon monoxide","carbon dioxide","hydrogen"], |
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| 55 | LiquidModel = "IdealLiquid", |
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| 56 | VapourModel = "Ideal"); |
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| 57 | NComp as Integer; |
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| 58 | NElem as Integer; |
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| 59 | |
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| 60 | DEVICES |
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| 61 | Fin as source; |
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| 62 | R as gibbs_vap; # gibbs reactor |
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| 63 | |
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| 64 | CONNECTIONS |
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| 65 | Fin.Outlet to R.Inlet; |
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| 66 | |
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| 67 | SET |
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| 68 | NComp = PP.NumberOfComponents; # CH4, H2O, CO, CO2, H2 |
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| 69 | NElem = 3; # C, O, H |
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| 70 | |
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| 71 | R.na(:,1) = [1.0, 0.0, 4.0]; # CH4 |
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| 72 | R.na(:,2) = [0.0, 1.0, 2.0]; # H2O |
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| 73 | R.na(:,3) = [1.0, 1.0, 0.0]; # CO |
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| 74 | R.na(:,4) = [1.0, 2.0, 0.0]; # CO2 |
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| 75 | R.na(:,5) = [0.0, 0.0, 2.0]; # H2 |
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| 76 | |
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| 77 | SPECIFY |
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| 78 | Fin.Outlet.F = 5*'kmol/h'; |
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| 79 | Fin.Outlet.z = [0.4, 0.6, 0.0, 0.0, 0.0]; |
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| 80 | Fin.Outlet.P = 1*'atm'; |
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| 81 | Fin.Outlet.T = 1000*'K'; |
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| 82 | |
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| 83 | R.Outlet.F = 5*'kmol/h'*sqrt(R.Level/'m'); |
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| 84 | R.Outlet.P = 1*'atm'; |
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| 85 | R.Outlet.T = Fin.Outlet.T; |
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| 86 | |
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| 87 | R.Across = 5*'m^2'; |
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| 88 | |
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| 89 | INITIAL |
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| 90 | R.Outletm.T = 1000*'K'; |
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| 91 | R.M = [2, 3, 0, 0, 0]*'kmol'; |
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| 92 | |
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| 93 | OPTIONS |
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| 94 | Dynamic = false; |
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| 95 | NLASolver(File="sundials", |
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| 96 | RelativeAccuracy=1e-6, |
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| 97 | AbsoluteAccuracy=1e-8); |
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| 98 | end |
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