| 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 | * Model of a Heater and Cooler |
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| 17 | * |
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| 18 | * Streams: |
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| 19 | * * Inlet(Ninlet) streams .... at least one material stream |
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| 20 | * * Outlet stream .... one material stream |
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| 21 | * |
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| 22 | * Purpose: |
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| 23 | * * Determines thermal and phase conditions of outlet stream |
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| 24 | * |
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| 25 | *---------------------------------------------------------------------- |
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| 26 | * Author: Gerson Balbueno Bicca |
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| 27 | * $Id: heater.mso 78 2006-12-08 19:29:10Z paula $ |
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| 28 | *--------------------------------------------------------------------*# |
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| 29 | |
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| 30 | using "streams.mso"; |
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| 31 | |
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| 32 | Model Heater_Cooler_Basic |
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| 33 | |
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| 34 | #+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++# |
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| 35 | # Heater or Cooler Basic Equations |
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| 36 | #+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++# |
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| 37 | PARAMETERS |
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| 38 | ext PP as CalcObject(Brief="Physical Properties"); |
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| 39 | ext NComp as Integer (Brief="Number of Components"); |
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| 40 | Ninlet as Integer (Brief="Number of Inlet Streams",Lower=1); |
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| 41 | |
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| 42 | VARIABLES |
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| 43 | in Inlet(Ninlet) as stream; #(Brief="Inlet Streams") |
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| 44 | out Outlet as stream_therm;#(Brief="Outlet Stream") |
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| 45 | Q as power (Brief = "Heat Transfer"); |
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| 46 | Vfrac as fraction (Brief = "Vapor fraction Outlet Stream"); |
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| 47 | Lfrac as fraction (Brief = "Liquid fraction Outlet Stream"); |
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| 48 | |
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| 49 | EQUATIONS |
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| 50 | |
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| 51 | "Flow" |
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| 52 | Outlet.F = sum(Inlet.F); |
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| 53 | |
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| 54 | for j in [1 : NComp] |
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| 55 | |
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| 56 | "Composition" |
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| 57 | Outlet.F*Outlet.z(j) = sum(Inlet.F*Inlet.z(j)); |
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| 58 | |
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| 59 | end |
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| 60 | |
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| 61 | "Outlet Vapourisation Fraction" |
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| 62 | Outlet.v = PP.VapourFraction(Outlet.T,Outlet.P,Outlet.z); |
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| 63 | |
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| 64 | "Vapor fraction Outlet Stream" |
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| 65 | Vfrac = Outlet.v; |
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| 66 | |
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| 67 | "Liquid fraction Outlet Stream" |
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| 68 | Lfrac = 1-Vfrac; |
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| 69 | |
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| 70 | end |
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| 71 | |
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| 72 | Model Heater as Heater_Cooler_Basic |
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| 73 | #+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++# |
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| 74 | # Heater |
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| 75 | #+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++# |
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| 76 | EQUATIONS |
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| 77 | |
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| 78 | "Heat Duty" |
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| 79 | Q = Outlet.F*Outlet.h-sum(Inlet.F*Inlet.h); |
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| 80 | |
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| 81 | end |
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| 82 | |
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| 83 | Model Cooler as Heater_Cooler_Basic |
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| 84 | #+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++# |
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| 85 | # Cooler |
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| 86 | #+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++# |
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| 87 | EQUATIONS |
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| 88 | |
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| 89 | "Heat Duty" |
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| 90 | Q = sum(Inlet.F*Inlet.h)- Outlet.F*Outlet.h; |
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| 91 | |
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| 92 | end |
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