| 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 a Double Pipe Heat Exchanger |
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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: Gerson B. Bicca |
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| 23 | * $Id: Sample_DoublePipe.mso 110 2007-01-12 18:44:02Z bicca $ |
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| 24 | *--------------------------------------------------------------------*# |
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| 25 | |
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| 26 | using "heat_exchangers/DoublePipe.mso"; |
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| 27 | |
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| 28 | FlowSheet Double_Pipe |
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| 29 | |
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| 30 | DEVICES |
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| 31 | |
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| 32 | exchanger as DoublePipe_LMTD; |
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| 33 | streamhot as streamTP; |
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| 34 | streamcold as streamTP; |
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| 35 | |
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| 36 | CONNECTIONS |
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| 37 | |
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| 38 | streamhot to exchanger.Inlet.Hot; |
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| 39 | streamcold to exchanger.Inlet.Cold; |
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| 40 | |
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| 41 | PARAMETERS |
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| 42 | |
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| 43 | PP as CalcObject (File="vrpp"); |
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| 44 | NComp as Integer; |
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| 45 | |
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| 46 | SET |
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| 47 | |
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| 48 | PP.LiquidModel = "PR"; |
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| 49 | PP.VapourModel = "PR"; |
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| 50 | PP.Components = ["n-hexane","water"]; |
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| 51 | NComp = PP.NumberOfComponents; |
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| 52 | |
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| 53 | #++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ |
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| 54 | # Options |
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| 55 | #++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ |
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| 56 | |
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| 57 | exchanger.HE.FlowDirection = "Counter"; |
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| 58 | exchanger.HE.TurbulentFlow = "SiederTate"; |
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| 59 | |
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| 60 | #++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ |
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| 61 | # Double Pipe Geometrical Parameters and Alocation |
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| 62 | #++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ |
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| 63 | |
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| 64 | exchanger.HE.HotSide = "Inner"; |
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| 65 | exchanger.DoInner = 0.04826*"m"; |
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| 66 | exchanger.DiInner = 0.04089*"m"; |
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| 67 | exchanger.DiOuter = 0.07793*"m"; |
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| 68 | exchanger.Kwall = 0.057 *"kW/m/K"; |
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| 69 | exchanger.Lpipe = 3*"m"; |
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| 70 | |
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| 71 | SPECIFY |
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| 72 | #++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ |
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| 73 | # Hot Stream |
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| 74 | #++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ |
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| 75 | streamhot.F = 10 * "kmol/h"; |
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| 76 | streamhot.T = (68+273.15) * "K"; |
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| 77 | streamhot.P = 5.4 * "bar"; |
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| 78 | streamhot.z = [1,0]; |
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| 79 | |
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| 80 | #++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ |
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| 81 | # Cold Stream |
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| 82 | #++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ |
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| 83 | streamcold.F = 5 * "kmol/h"; |
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| 84 | streamcold.P = 5.1 * "bar"; |
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| 85 | streamcold.T = (23+273.15) * "K"; |
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| 86 | streamcold.z = [0,1]; |
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| 87 | #===================================================================== |
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| 88 | # Fouling |
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| 89 | #===================================================================== |
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| 90 | exchanger.Resistances.Rfi = 0.0018*"m^2*K/kW"; |
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| 91 | exchanger.Resistances.Rfo = 0.0021*"m^2*K/kW"; |
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| 92 | |
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| 93 | OPTIONS |
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| 94 | |
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| 95 | mode = "steady"; |
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| 96 | |
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| 97 | end |
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| 98 | |
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