| 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 633 2008-09-24 00:26:30Z bicca $ |
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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 Plugin(Brief="Physical Properties", |
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| 31 | Type="PP", |
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| 32 | Components = ["1,3-butadiene", "isobutene", "n-pentane", |
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| 33 | "1-pentene", "1-hexene", "benzene"], |
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| 34 | LiquidModel = "PR", |
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| 35 | VapourModel = "PR" |
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| 36 | ); |
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| 37 | NComp as Integer; |
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| 38 | |
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| 39 | VARIABLES |
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| 40 | Q as energy_source (Brief="Heat supplied"); |
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| 41 | |
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| 42 | SET |
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| 43 | NComp = PP.NumberOfComponents; |
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| 44 | |
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| 45 | DEVICES |
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| 46 | fl as flash; |
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| 47 | s1 as source; |
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| 48 | |
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| 49 | CONNECTIONS |
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| 50 | s1.Outlet to fl.Inlet; |
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| 51 | Q.OutletQ to fl.InletQ; |
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| 52 | |
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| 53 | EQUATIONS |
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| 54 | fl.OutletL.F = 400*sqrt(fl.Level/'m') * 'kmol/h'; |
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| 55 | |
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| 56 | SPECIFY |
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| 57 | s1.F = 496.3 * 'kmol/h'; |
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| 58 | s1.T = 338 * 'K'; |
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| 59 | s1.P = 507.1 * 'kPa'; |
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| 60 | s1.Composition = [0.2379,0.3082,0.09958,0.1373,0.08872,0.1283]; |
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| 61 | |
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| 62 | fl.OutletV.F = 68.5 * 'kmol/h'; |
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| 63 | Q.OutletQ.Q = 0 * 'kJ/h'; |
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| 64 | |
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| 65 | SET |
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| 66 | fl.V = 50 * 'm^3'; |
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| 67 | fl.diameter = 2 * 'm'; |
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| 68 | fl.orientation = "vertical"; |
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| 69 | # fl.orientation = "horizontal"; |
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| 70 | |
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| 71 | INITIAL |
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| 72 | fl.OutletL.T = 338 * 'K'; |
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| 73 | fl.Level = 0.4 * 'm'; |
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| 74 | |
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| 75 | fl.OutletL.z(1) = 0.1; |
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| 76 | fl.OutletL.z(2) = 0.1; |
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| 77 | fl.OutletL.z(3) = 0.1; |
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| 78 | fl.OutletL.z(4) = 0.1; |
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| 79 | fl.OutletL.z(5) = 0.1; |
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| 80 | |
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| 81 | OPTIONS |
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| 82 | Dynamic = true; |
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| 83 | TimeStep = 0.1; |
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| 84 | TimeEnd = 5; |
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| 85 | TimeUnit = 'h'; |
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| 86 | end |
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| 87 | |
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| 88 | # exemplo baseado nos dados do artigo do Gani 1985. |
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| 89 | FlowSheet flashSteady_Test |
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| 90 | PARAMETERS |
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| 91 | PP as Plugin(Brief="Physical Properties", |
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| 92 | Type="PP", |
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| 93 | Components = ["1,3-butadiene", "isobutene", "n-pentane", |
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| 94 | "1-pentene", "1-hexene", "benzene"], |
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| 95 | LiquidModel = "PR", |
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| 96 | VapourModel = "PR" |
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| 97 | ); |
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| 98 | NComp as Integer; |
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| 99 | |
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| 100 | VARIABLES |
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| 101 | Q as energy_source (Brief="Heat supplied"); |
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| 102 | |
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| 103 | SET |
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| 104 | NComp = PP.NumberOfComponents; |
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| 105 | |
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| 106 | DEVICES |
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| 107 | fl as flash_steady; |
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| 108 | s1 as source; |
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| 109 | |
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| 110 | CONNECTIONS |
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| 111 | s1.Outlet to fl.Inlet; |
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| 112 | Q.OutletQ to fl.InletQ; |
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| 113 | |
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| 114 | SPECIFY |
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| 115 | s1.F = 496.3 * 'kmol/h'; |
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| 116 | s1.T = 338 * 'K'; |
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| 117 | s1.P = 507.1 * 'kPa'; |
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| 118 | s1.Composition = [0.2379,0.3082,0.09959,0.1373,0.08872,0.1283]; |
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| 119 | |
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| 120 | fl.OutletL.P = 2.5 * 'atm'; |
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| 121 | |
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| 122 | #Q.OutletQ.Q = 0 * 'kJ/h'; |
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| 123 | fl.OutletL.T = 315.06 * 'K'; |
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| 124 | |
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| 125 | OPTIONS |
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| 126 | Dynamic = false; |
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| 127 | end |
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| 128 | |
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| 129 | |
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| 130 | Sensitivity Sense_Flash as flashSteady_Test |
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| 131 | |
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| 132 | VARY |
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| 133 | |
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| 134 | s1.F 'kmol/h'; |
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| 135 | |
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| 136 | RESPONSE |
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| 137 | |
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| 138 | fl.OutletV.F'kmol/h'; |
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| 139 | |
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| 140 | end |
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| 141 | |
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| 142 | # Case study to check the responses |
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| 143 | |
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| 144 | CaseStudy caseFlash as flashSteady_Test |
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| 145 | |
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| 146 | VARY |
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| 147 | |
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| 148 | s1.F = [496.3, 496.31]*'kmol/h'; |
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| 149 | |
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| 150 | RESPONSE |
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| 151 | |
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| 152 | |
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| 153 | fl.OutletV.F'kmol/h'; |
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| 154 | |
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| 155 | end |
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