| 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 Heat Exchanger TEMA E Shell - LMTD Method |
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| 17 | *-------------------------------------------------------------------- |
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| 18 | * |
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| 19 | * This sample file needs VRTherm DEMO (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: Eshell_Detailed_LMTD.mso 135 2007-01-25 20:00:26Z bicca $ |
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| 24 | *--------------------------------------------------------------------*# |
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| 25 | |
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| 26 | using "heat_exchangers/HeatExchangerDetailed.mso"; |
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| 27 | |
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| 28 | FlowSheet Exchanger_E_shell_Detailed_LMTD |
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| 29 | |
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| 30 | DEVICES |
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| 31 | |
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| 32 | exchanger as E_Shell_LMTD_Det; |
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| 33 | streamhot_in as streamTP; |
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| 34 | streamcold_in as streamTP; |
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| 35 | |
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| 36 | CONNECTIONS |
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| 37 | |
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| 38 | streamhot_in to exchanger.Inlet.Hot; |
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| 39 | streamcold_in 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 | # Heat Exchanger Options |
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| 49 | #=============================================================== |
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| 50 | PP.Components = ["water"]; |
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| 51 | PP.LiquidModel = "RK"; |
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| 52 | PP.VapourModel = "RK"; |
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| 53 | NComp = PP.NumberOfComponents; |
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| 54 | |
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| 55 | exchanger.HE.HotSide = "Shell"; |
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| 56 | |
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| 57 | # LMTD Correction Factor |
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| 58 | exchanger.HE.LMTDcorrection = "Bowmann"; |
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| 59 | |
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| 60 | # Heat Transfer Correlation |
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| 61 | # exchanger.HE.LaminarFlow = "Schlunder"; |
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| 62 | # exchanger.HE.TurbulentFlow = "SiederTate"; |
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| 63 | # exchanger.HE.TransitionFlow = "GnielinskiII"; |
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| 64 | |
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| 65 | #===================================================================== |
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| 66 | # Shell Geometrical Parameters |
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| 67 | #===================================================================== |
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| 68 | exchanger.Tpass = 4; |
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| 69 | exchanger.Dishell = 0.75 *"m"; |
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| 70 | exchanger.Lcf = 0.043 *"m"; |
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| 71 | exchanger.Nss = 1; |
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| 72 | exchanger.Donozzle_Shell = 0.1937 *"m"; |
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| 73 | exchanger.Dinozzle_Shell = 0.1937 *"m"; |
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| 74 | exchanger.Honozzle_Shell = 0.0225 *"m"; |
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| 75 | exchanger.Hinozzle_Shell = 0.02155 *"m"; |
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| 76 | |
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| 77 | #===================================================================== |
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| 78 | # Tubes Geometrical Parameters |
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| 79 | #===================================================================== |
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| 80 | exchanger.Ntt = 500; |
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| 81 | exchanger.Pattern = 30; |
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| 82 | exchanger.pitch = 0.0254 *"m"; |
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| 83 | exchanger.Ltube = 5.5 *"m"; |
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| 84 | exchanger.Ditube = 0.013395 *"m"; |
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| 85 | exchanger.Dotube = 0.015875 *"m"; |
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| 86 | exchanger.Kwall = 0.057 *"kW/m/K"; |
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| 87 | exchanger.Donozzle_Tube = 0.203 *"m"; |
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| 88 | exchanger.Dinozzle_Tube = 0.203 *"m"; |
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| 89 | #===================================================================== |
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| 90 | # Baffles Geometrical Parameters |
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| 91 | #===================================================================== |
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| 92 | exchanger.Lcd = 0.0047 *"m"; |
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| 93 | exchanger.Bc = 25; |
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| 94 | exchanger.Ltd = 0.00039 *"m"; |
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| 95 | exchanger.Nb = 6; |
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| 96 | |
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| 97 | SPECIFY |
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| 98 | #============================================ |
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| 99 | # Hot Stream |
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| 100 | #============================================ |
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| 101 | streamhot_in.F = 40 * "mol/s"; |
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| 102 | streamhot_in.T = 400* "K"; |
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| 103 | streamhot_in.z = [1] ; |
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| 104 | streamhot_in.P = 740 * "kPa"; |
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| 105 | #============================================ |
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| 106 | # Cold Stream |
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| 107 | #============================================ |
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| 108 | streamcold_in.F = 75 * "mol/s"; |
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| 109 | streamcold_in.T = 333 * "K"; |
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| 110 | streamcold_in.z = [1]; |
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| 111 | streamcold_in.P = 2210*"kPa"; |
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| 112 | #===================================================================== |
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| 113 | # Baffle Spacing |
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| 114 | #===================================================================== |
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| 115 | exchanger.Baffles.Ls = 0.622 *"m"; |
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| 116 | exchanger.Baffles.Lsi = 0.807 *"m"; |
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| 117 | #===================================================================== |
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| 118 | # Fouling |
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| 119 | #===================================================================== |
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| 120 | exchanger.Resistances.Rfi = 0*"m^2*K/kW"; |
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| 121 | exchanger.Resistances.Rfo = 0*"m^2*K/kW"; |
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| 122 | |
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| 123 | OPTIONS |
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| 124 | |
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| 125 | mode = "steady"; |
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| 126 | |
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| 127 | end |
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