| 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 | * |
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| 19 | * |
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| 20 | * |
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| 21 | *---------------------------------------------------------------------- |
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| 22 | * Author: Paula B. Staudt |
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| 23 | * $Id: cstr.mso 77 2006-12-08 19:21:59Z paula $ |
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| 24 | *--------------------------------------------------------------------*# |
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| 25 | |
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| 26 | using "streams"; |
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| 27 | |
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| 28 | Model cstr_basic |
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| 29 | PARAMETERS |
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| 30 | ext NComp as Integer; |
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| 31 | NReac as Integer; |
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| 32 | stoic(NComp, NReac) as Real (Brief = "Stoichiometric Matrix"); |
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| 33 | |
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| 34 | VARIABLES |
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| 35 | in Inlet as stream; |
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| 36 | out Outlet as stream_therm; |
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| 37 | q as heat_rate; |
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| 38 | Vr as volume (Brief="Reacting Volume"); |
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| 39 | M as mol (Brief = "Molar total amount"); |
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| 40 | C(NComp) as conc_mol(Brief="Components concentration"); |
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| 41 | |
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| 42 | EQUATIONS |
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| 43 | "Molar fraction" |
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| 44 | Outlet.z * M = C * Vr; |
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| 45 | "Vapourisation Fraction" |
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| 46 | Outlet.v = Inlet.v; |
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| 47 | end |
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| 48 | |
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| 49 | Model cstr_yield as cstr_basic |
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| 50 | PARAMETERS |
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| 51 | yield(NReac) as fraction; |
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| 52 | |
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| 53 | EQUATIONS |
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| 54 | Outlet.z*Outlet.F = Inlet.z*Inlet.F * sumt(stoic*(1-yield)); |
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| 55 | "Reactor Energy Balance" |
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| 56 | diff(M*Outlet.h) = Inlet.F*Inlet.h - Outlet.F*Outlet.h - q; |
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| 57 | end |
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| 58 | |
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| 59 | |
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| 60 | Model cstr as cstr_basic |
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| 61 | VARIABLES |
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| 62 | r(NReac) as reaction_mol; |
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| 63 | Hr(NReac) as heat_reaction; |
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| 64 | |
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| 65 | EQUATIONS |
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| 66 | "Component Molar Balance" |
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| 67 | diff(Outlet.z*M) = (Inlet.F*Inlet.z - Outlet.F*Outlet.z) + sumt(stoic*r)*Vr; |
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| 68 | |
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| 69 | "Reactor Energy Balance" |
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| 70 | diff(M*Outlet.h) = Inlet.F*Inlet.h - Outlet.F*Outlet.h + |
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| 71 | sum(Hr*sum(stoic*r))*Vr - q; |
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| 72 | end |
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