| 1 | #*--------------------------------------------------------------------- |
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| 2 | * Model of a Heater and Cooler |
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| 3 | * |
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| 4 | * Streams: |
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| 5 | * * Inlet(Ninlet) streams .... at least one material stream |
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| 6 | * * Outlet stream .... one material stream |
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| 7 | * |
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| 8 | * Purpose: |
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| 9 | * * Determines thermal and phase conditions of outlet stream |
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| 10 | * |
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| 11 | *---------------------------------------------------------------------- |
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| 12 | * Author: Gerson Balbueno Bicca |
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| 13 | * $Id: heater.mso 26 2006-09-19 20:23:27Z bicca $ |
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| 14 | *--------------------------------------------------------------------*# |
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| 15 | |
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| 16 | using "streams.mso"; |
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| 17 | |
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| 18 | Model Heater_Cooler_Basic |
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| 19 | |
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| 20 | #+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++# |
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| 21 | # Heater or Cooler Basic Equations |
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| 22 | #+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++# |
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| 23 | PARAMETERS |
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| 24 | ext PP as CalcObject (Brief="Physical Properties"); |
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| 25 | ext NComp as Integer (Brief="Number of Components"); |
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| 26 | ext Ninlet as Integer (Brief="Number of Inlet Streams",Lower=1); |
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| 27 | |
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| 28 | VARIABLES |
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| 29 | in Inlet(Ninlet) as stream; #(Brief="Inlet Streams") |
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| 30 | out Outlet as stream_therm;#(Brief="Outlet Stream") |
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| 31 | Q as power (Brief="Heat Transfer"); |
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| 32 | Vfrac as fraction (Brief = "Vapor fraction Outlet Stream"); |
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| 33 | Lfrac as fraction (Brief = "Liquid fraction Outlet Stream"); |
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| 34 | |
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| 35 | EQUATIONS |
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| 36 | |
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| 37 | "Flow" |
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| 38 | Outlet.F = sum(Inlet.F); |
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| 39 | |
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| 40 | for j in [1 : NComp] |
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| 41 | |
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| 42 | "Composition" |
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| 43 | Outlet.F*Outlet.z(j) = sum(Inlet.F*Inlet.z(j)); |
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| 44 | |
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| 45 | end |
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| 46 | |
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| 47 | |
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| 48 | "Outlet Vapourisation Fraction" |
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| 49 | Outlet.v = PP.VapourFraction(Outlet.T,Outlet.P,Outlet.z); |
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| 50 | |
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| 51 | "Vapor fraction Outlet Stream" |
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| 52 | Vfrac = Outlet.v; |
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| 53 | |
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| 54 | "Liquid fraction Outlet Stream" |
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| 55 | Lfrac = 1-Vfrac; |
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| 56 | |
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| 57 | end |
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| 58 | |
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| 59 | Model Heater as Heater_Cooler_Basic |
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| 60 | |
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| 61 | EQUATIONS |
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| 62 | |
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| 63 | "Heat Duty" |
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| 64 | Q = Outlet.F*Outlet.h-sum(Inlet.F*Inlet.h); |
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| 65 | |
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| 66 | end |
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| 67 | |
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| 68 | Model Cooler as Heater_Cooler_Basic |
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| 69 | |
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| 70 | EQUATIONS |
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| 71 | |
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| 72 | "Heat Duty" |
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| 73 | Q = sum(Inlet.F*Inlet.h)- Outlet.F*Outlet.h; |
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| 74 | |
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| 75 | end |
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