| 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 mixer |
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| 17 | *-------------------------------------------------------------------- |
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| 18 | * |
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| 19 | * Streams: |
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| 20 | * * "Ninlet" inlet streams |
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| 21 | * * a outlet stream |
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| 22 | * |
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| 23 | * Assumptions: |
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| 24 | * * thermodynamics equilibrium |
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| 25 | * * adiabatic |
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| 26 | * |
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| 27 | * Specify: |
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| 28 | * * the inlet streams |
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| 29 | * |
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| 30 | *---------------------------------------------------------------------- |
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| 31 | * Author: Maurício Carvalho Maciel |
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| 32 | * $Id: mixer.mso 176 2007-03-04 04:56:54Z arge $ |
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| 33 | *--------------------------------------------------------------------*# |
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| 34 | |
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| 35 | using "stage_separators/flash"; |
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| 36 | |
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| 37 | Model mixer as flash_steady |
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| 38 | PARAMETERS |
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| 39 | outer NComp as Integer (Brief = "Number of chemical components", Lower = 1); |
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| 40 | Ninlet as Integer (Brief = "Number of Inlet Streams", Lower = 1, Default = 2); |
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| 41 | |
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| 42 | VARIABLES |
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| 43 | in Inlet_mixer(Ninlet) as stream (Brief = "Inlet streams"); |
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| 44 | out Outlet as stream (Brief = "Outlet stream"); |
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| 45 | out Out_int as stream (Brief = "Intermediate Outlet stream"); |
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| 46 | zeroQ as heat_rate (Brief="No Heat rate supplied"); |
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| 47 | |
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| 48 | CONNECTIONS |
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| 49 | |
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| 50 | Out_int to Inlet; |
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| 51 | zeroQ to Q; |
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| 52 | |
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| 53 | EQUATIONS |
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| 54 | |
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| 55 | "Flow" |
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| 56 | Out_int.F = sum(Inlet_mixer.F); |
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| 57 | |
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| 58 | for i in [1:NComp] |
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| 59 | |
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| 60 | "Composition" |
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| 61 | Out_int.F*Out_int.z(i) = sum(Inlet_mixer.F*Inlet_mixer.z(i)); |
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| 62 | end |
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| 63 | |
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| 64 | "Energy Balance" |
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| 65 | Out_int.F*Out_int.h = sum(Inlet_mixer.F*Inlet_mixer.h); |
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| 66 | |
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| 67 | "Pressure" |
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| 68 | Out_int.P = min(Inlet_mixer.P); |
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| 69 | Out_int.P = OutletV.P; |
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| 70 | |
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| 71 | "Temperature" |
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| 72 | Out_int.T = OutletV.T; |
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| 73 | |
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| 74 | "Vapourisation Fraction" |
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| 75 | Out_int.v = vfrac; |
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| 76 | |
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| 77 | Outlet.F = Inlet.F; |
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| 78 | Outlet.z = Inlet.z; |
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| 79 | Outlet.v = Inlet.v; |
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| 80 | Outlet.T = Inlet.T; |
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| 81 | Outlet.h = Inlet.h; |
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| 82 | Outlet.P = Inlet.P; |
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| 83 | |
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| 84 | zeroQ = 0*'kW'; |
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| 85 | |
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| 86 | end |
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| 87 | |
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