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 file for optimization |
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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 | * Author: Rafael de Pelegrini Soares |
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23 | * $Id: flash_opt.mso 1006 2018-01-21 19:07:16Z arge $ |
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24 | *--------------------------------------------------------------------*# |
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25 | |
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26 | using "stage_separators/flash"; |
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27 | |
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28 | # exemplo baseado nos dados do artigo do Gani 1985. |
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29 | FlowSheet FlashSteadyTest |
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30 | PARAMETERS |
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31 | PP as Plugin(Brief="Physical Properties",Type="PP",Components = ["1,3-butadiene", "isobutene", "n-pentane", "1-pentene", "1-hexene", "benzene"], |
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32 | LiquidModel = "PR", |
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33 | VapourModel = "PR"); |
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34 | NComp as Integer; |
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35 | |
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36 | VARIABLES |
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37 | Q as energy_source (Brief="Heat supplied"); |
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38 | leves as fraction; |
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39 | |
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40 | SET |
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41 | |
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42 | NComp = PP.NumberOfComponents; |
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43 | |
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44 | DEVICES |
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45 | fl as flash_steady; |
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46 | s1 as source; |
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47 | |
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48 | CONNECTIONS |
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49 | s1.Outlet to fl.Inlet; |
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50 | Q.OutletQ to fl.InletQ; |
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51 | |
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52 | EQUATIONS |
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53 | leves = fl.OutletVapour.z(1)+fl.OutletVapour.z(2); |
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54 | |
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55 | SPECIFY |
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56 | s1.F = 496.3 * 'kmol/h'; |
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57 | s1.T = 338 * 'K'; |
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58 | s1.P = 507.1 * 'kPa'; |
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59 | s1.Composition = [0.2379,0.3082,0.09959,0.1373,0.08872,0.1283]; |
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60 | |
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61 | fl.OutletLiquid.P = 2.5 * 'atm'; |
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62 | |
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63 | #Q.OutletQ = 0 * 'kJ/h'; |
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64 | fl.OutletLiquid.T = 315.06 * 'K'; |
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65 | |
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66 | OPTIONS |
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67 | Dynamic = false; |
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68 | end |
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69 | |
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70 | #* |
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71 | * Maximização da pureza dos leves no topo do flash. |
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72 | * Achou : 0.83 frente a 0.79 da simulação do FlowSheet |
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73 | *# |
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74 | Optimization FlashOpt1 as FlashSteadyTest |
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75 | MAXIMIZE |
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76 | leves; |
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77 | |
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78 | FREE |
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79 | fl.OutletLiquid.T; |
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80 | #fl.OutletLiquid.P; |
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81 | |
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82 | EQUATIONS |
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83 | fl.OutletLiquid.T < 320 * 'K'; |
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84 | fl.OutletLiquid.T > 300 * 'K'; |
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85 | |
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86 | OPTIONS |
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87 | Dynamic = false; |
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88 | NLPSolveNLA = true; |
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89 | NLPSolver(#File = "complex", |
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90 | #File = "optpp_emso", |
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91 | File = "ipopt_emso", |
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92 | MaxIterations = 1000, |
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93 | RelativeAccuracy = 1e-8); |
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94 | end |
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95 | |
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