| 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 - NTU Method |
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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: sampleNTU.mso 100 2007-01-09 14:15:56Z bicca $ |
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| 24 | *--------------------------------------------------------------------*# |
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| 25 | using "heat_exchangers/HeatExchangerSimplified.mso"; |
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| 26 | |
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| 27 | FlowSheet NTU_Method |
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| 28 | |
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| 29 | PARAMETERS |
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| 30 | |
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| 31 | PP as CalcObject (Brief="Physical Properties",File="vrpp"); |
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| 32 | NComp as Integer; |
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| 33 | |
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| 34 | DEVICES |
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| 35 | |
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| 36 | exchanger as HeatExchanger_NTU; |
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| 37 | streamhot as streamTP; |
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| 38 | streamcold as streamTP; |
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| 39 | |
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| 40 | SET |
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| 41 | |
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| 42 | PP.LiquidModel = "PR"; |
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| 43 | PP.VapourModel = "PR"; |
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| 44 | PP.Components = ["water","n-butane", "benzene", "n-octane" ]; |
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| 45 | NComp = PP.NumberOfComponents; |
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| 46 | |
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| 47 | exchanger.HE.FlowDirection = "Cocurrent"; |
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| 48 | |
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| 49 | CONNECTIONS |
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| 50 | |
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| 51 | streamhot to exchanger.Inlet.Hot; |
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| 52 | streamcold to exchanger.Inlet.Cold; |
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| 53 | |
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| 54 | SPECIFY |
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| 55 | |
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| 56 | exchanger.Details.Ud = 210*"W/(m^2*K)"; |
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| 57 | exchanger.Details.Uc = 210*"W/(m^2*K)"; |
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| 58 | exchanger.PressureDrop.Hot.Pdrop = 0.2*"kPa"; |
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| 59 | exchanger.PressureDrop.Cold.Pdrop = 0.2*"kPa"; |
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| 60 | |
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| 61 | streamhot.F = 20 * "kmol/h"; |
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| 62 | streamhot.T = 450 * "K"; |
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| 63 | streamhot.P = 120 * "kPa"; |
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| 64 | streamhot.z = [1,0,0,0]; |
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| 65 | |
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| 66 | streamcold.F = 10 * "kmol/h"; |
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| 67 | streamcold.P = 120 * "kPa"; |
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| 68 | streamcold.T = 300 * "K"; |
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| 69 | streamcold.z = [0,0.5, 0.1, 0.4]; |
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| 70 | |
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| 71 | exchanger.Details.A = 20*"m^2"; |
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| 72 | |
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| 73 | OPTIONS |
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| 74 | |
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| 75 | mode = "steady"; |
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| 76 | |
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| 77 | end |
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