| 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 model flash and flashSteady |
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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: Paula B. Staudt |
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| 23 | * $Id: sample_flash.mso 86 2006-12-08 20:58:15Z paula $ |
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| 24 | *--------------------------------------------------------------------*# |
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| 25 | using "stage_separators/flash"; |
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| 26 | |
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| 27 | # exemplo baseado nos dados do artigo do Gani 1985. |
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| 28 | FlowSheet flash_Test |
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| 29 | PARAMETERS |
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| 30 | PP as CalcObject(Brief="Physical Properties",File="vrpp"); |
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| 31 | NComp as Integer; |
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| 32 | |
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| 33 | VARIABLES |
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| 34 | Q as heat_rate (Brief="Heat supplied"); |
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| 35 | |
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| 36 | SET |
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| 37 | PP.Components = ["1,3-butadiene", "isobutene", "n-pentane", "1-pentene", "1-hexene", "benzene"]; |
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| 38 | PP.LiquidModel = "PR"; |
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| 39 | PP.VapourModel = "PR"; |
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| 40 | NComp = PP.NumberOfComponents; |
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| 41 | |
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| 42 | DEVICES |
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| 43 | fl as flash; |
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| 44 | s1 as streamTP; |
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| 45 | |
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| 46 | CONNECTIONS |
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| 47 | s1 to fl.Inlet; |
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| 48 | Q to fl.Q; |
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| 49 | |
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| 50 | EQUATIONS |
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| 51 | fl.OutletL.F = 400*sqrt(fl.Level/"m") * "kmol/h"; |
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| 52 | |
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| 53 | SPECIFY |
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| 54 | s1.F = 496.3 * "kmol/h"; |
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| 55 | s1.T = 338 * "K"; |
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| 56 | s1.P = 507.1 * "kPa"; |
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| 57 | #s1.v = 0.1380; |
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| 58 | s1.z = [0.2379,0.3082,0.09958,0.1373,0.08872,0.1283]; |
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| 59 | |
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| 60 | fl.OutletV.F = 68.5 * "kmol/h"; |
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| 61 | Q = 1 * "kJ/h"; |
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| 62 | |
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| 63 | SET |
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| 64 | fl.V = 2000 * "m^3"; |
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| 65 | fl.Across = 1 * "m^2"; |
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| 66 | |
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| 67 | INITIAL |
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| 68 | fl.OutletL.T = 330 *"K"; |
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| 69 | fl.Level = 1 * "m"; |
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| 70 | fl.OutletL.z(1) = 0.1; |
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| 71 | fl.OutletL.z(2) = 0.1; |
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| 72 | fl.OutletL.z(3) = 0.1; |
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| 73 | fl.OutletL.z(4) = 0.1; |
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| 74 | fl.OutletL.z(5) = 0.1; |
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| 75 | |
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| 76 | OPTIONS |
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| 77 | relativeAccuracy = 1e-7; |
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| 78 | absoluteAccuracy = 1e-9; |
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| 79 | #mode="steady"; |
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| 80 | time = [0:0.1:20]*"h"; |
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| 81 | end |
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| 82 | |
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| 83 | # exemplo baseado nos dados do artigo do Gani 1985. |
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| 84 | FlowSheet flashSteady_Test |
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| 85 | PARAMETERS |
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| 86 | PP as CalcObject(Brief="Physical Properties",File="vrpp"); |
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| 87 | NComp as Integer; |
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| 88 | |
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| 89 | VARIABLES |
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| 90 | Q as heat_rate (Brief="Heat supplied"); |
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| 91 | |
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| 92 | SET |
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| 93 | PP.Components = ["1,3-butadiene", "isobutene", "n-pentane", "1-pentene", "1-hexene", "benzene"]; |
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| 94 | PP.LiquidModel = "PR"; |
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| 95 | PP.VapourModel = "PR"; |
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| 96 | NComp = PP.NumberOfComponents; |
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| 97 | |
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| 98 | DEVICES |
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| 99 | fl as flash_Steady; |
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| 100 | s1 as streamTP; |
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| 101 | |
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| 102 | CONNECTIONS |
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| 103 | s1 to fl.Inlet; |
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| 104 | Q to fl.Q; |
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| 105 | |
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| 106 | |
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| 107 | SPECIFY |
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| 108 | s1.F = 496.3 * "kmol/h"; |
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| 109 | s1.T = 338 * "K"; |
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| 110 | s1.P = 507.1 * "kPa"; |
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| 111 | #s1.v = 0.1380; |
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| 112 | s1.z = [0.2379,0.3082,0.09959,0.1373,0.08872,0.1283]; |
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| 113 | |
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| 114 | fl.OutletL.P = 2.5 * "atm"; |
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| 115 | |
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| 116 | #Q = 0 * "kJ/h"; |
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| 117 | fl.OutletL.T = 315.06 * "K"; |
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| 118 | |
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| 119 | OPTIONS |
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| 120 | mode = "steady"; |
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| 121 | end |
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