| 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 cstr reactor |
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| 17 | *-------------------------------------------------------------------- |
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| 18 | * Author: Paula B. Staudt |
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| 19 | * $Id: cstr.mso 403 2007-11-16 15:43:31Z arge $ |
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| 20 | *--------------------------------------------------------------------*# |
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| 21 | |
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| 22 | using "streams"; |
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| 23 | |
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| 24 | Model cstr_basic |
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| 25 | |
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| 26 | ATTRIBUTES |
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| 27 | ATTRIBUTES |
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| 28 | Pallete = false; |
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| 29 | Brief = "Basic model for a CSTR reactor"; |
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| 30 | |
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| 31 | PARAMETERS |
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| 32 | |
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| 33 | outer NComp as Integer (Brief = "Number Of Components"); |
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| 34 | NReac as Integer (Brief = "Number Of Reactions"); |
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| 35 | stoic(NComp, NReac) as Real (Brief = "Stoichiometric Matrix"); |
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| 36 | |
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| 37 | VARIABLES |
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| 38 | |
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| 39 | in Inlet as stream (Brief="Inlet Stream", PosX=0, PosY=0, Symbol="_{in}"); |
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| 40 | out Outlet as streamPH (Brief="Outlet Stream", PosX=1, PosY=1, Symbol="_{out}"); |
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| 41 | |
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| 42 | q as heat_rate (Brief="Heat"); |
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| 43 | Vr as volume (Brief="Reacting Volume"); |
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| 44 | M as mol (Brief = "Molar total amount"); |
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| 45 | C(NComp) as conc_mol (Brief="Components concentration"); |
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| 46 | |
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| 47 | EQUATIONS |
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| 48 | |
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| 49 | "Molar Concentration" |
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| 50 | Outlet.z * M = C * Vr; |
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| 51 | |
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| 52 | "Molar fraction" |
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| 53 | sum(Outlet.z) = 1; |
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| 54 | end |
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| 55 | |
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| 56 | Model cstr_yield as cstr_basic |
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| 57 | |
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| 58 | ATTRIBUTES |
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| 59 | ATTRIBUTES |
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| 60 | Pallete = true; |
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| 61 | Icon = "icon/cstr"; |
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| 62 | Brief = "Model of a CSTR with given yield"; |
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| 63 | |
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| 64 | PARAMETERS |
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| 65 | |
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| 66 | yield(NReac) as fraction (Brief="Yield"); |
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| 67 | |
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| 68 | EQUATIONS |
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| 69 | |
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| 70 | Outlet.z*Outlet.F = Inlet.z*Inlet.F * sumt(stoic*(1-yield)); |
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| 71 | |
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| 72 | "Reactor Energy Balance" |
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| 73 | diff(M*Outlet.h) = Inlet.F*Inlet.h - Outlet.F*Outlet.h - q; |
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| 74 | |
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| 75 | end |
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| 76 | |
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| 77 | |
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| 78 | Model cstr as cstr_basic |
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| 79 | |
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| 80 | ATTRIBUTES |
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| 81 | Pallete = true; |
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| 82 | Icon = "icon/cstr"; |
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| 83 | Brief = "Model of a generic CSTR"; |
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| 84 | Info = " |
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| 85 | Requires the information of: |
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| 86 | * Reaction values |
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| 87 | * Heat of reaction |
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| 88 | "; |
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| 89 | |
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| 90 | VARIABLES |
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| 91 | |
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| 92 | r(NReac) as reaction_mol (Brief="Molar Reaction Rate"); |
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| 93 | Hr(NReac) as heat_reaction (Brief="Heat Reaction"); |
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| 94 | |
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| 95 | EQUATIONS |
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| 96 | |
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| 97 | "Component Molar Balance" |
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| 98 | diff(Outlet.z*M) = (Inlet.F*Inlet.z - Outlet.F*Outlet.z) + sumt(stoic*r)*Vr; |
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| 99 | |
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| 100 | "Reactor Energy Balance" |
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| 101 | diff(M*Outlet.h) = Inlet.F*Inlet.h - Outlet.F*Outlet.h +sum(Hr*sum(stoic*r))*Vr - q; #FIXME sum(sum()) |
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| 102 | |
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| 103 | end |
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