| 1 | #++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ |
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| 2 | # Series of Double Pipe Heat Exchanger |
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| 3 | #++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ |
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| 4 | using "heat_exchangers/DoublePipe.mso"; |
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| 5 | |
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| 6 | FlowSheet Double_Pipe_Multitubular |
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| 7 | |
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| 8 | DEVICES |
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| 9 | Pipe as Multitubular_Cocurrent_LMTD; |
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| 10 | streamhot as streamTP; |
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| 11 | streamcold as streamTP; |
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| 12 | |
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| 13 | PARAMETERS |
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| 14 | |
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| 15 | PP as CalcObject (File="vrpp"); |
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| 16 | NComp as Integer; |
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| 17 | |
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| 18 | CONNECTIONS |
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| 19 | |
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| 20 | streamhot to Pipe.Unity(1).Inlet.Hot; |
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| 21 | streamcold to Pipe.Unity(1).Inlet.Cold; |
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| 22 | SET |
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| 23 | |
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| 24 | PP.LiquidModel = "PR"; |
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| 25 | PP.VapourModel = "PR"; |
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| 26 | PP.Components = ["methanol","water"]; |
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| 27 | NComp = PP.NumberOfComponents; |
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| 28 | Pipe.Npipe = 2; |
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| 29 | |
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| 30 | #++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ |
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| 31 | # Options |
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| 32 | #++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ |
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| 33 | |
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| 34 | Pipe.HE.TurbulentFlow = "SiederTate"; |
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| 35 | |
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| 36 | #++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ |
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| 37 | # Double Pipe Geometrical Parameters and Alocation |
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| 38 | #++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ |
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| 39 | Pipe.HE.HotSide = "Inner"; |
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| 40 | Pipe.DoInner = 0.04826*"m"; |
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| 41 | Pipe.DiInner = 0.04089*"m"; |
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| 42 | Pipe.DiOuter = 0.07793*"m"; |
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| 43 | Pipe.Kwall = 0.057 *"kW/m/K"; |
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| 44 | Pipe.Lpipe = 3*"m"; |
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| 45 | |
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| 46 | SPECIFY |
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| 47 | #++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ |
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| 48 | # Hot Stream |
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| 49 | #++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ |
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| 50 | |
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| 51 | streamhot.F = 100 * "kmol/h"; |
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| 52 | streamhot.T = (70+273.15) * "K"; |
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| 53 | streamhot.P = 5 * "bar"; |
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| 54 | streamhot.z = [1,0]; |
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| 55 | |
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| 56 | #++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ |
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| 57 | # Cold Stream |
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| 58 | #++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ |
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| 59 | |
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| 60 | streamcold.F = 5 * "kmol/h"; |
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| 61 | streamcold.P = 5 * "bar"; |
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| 62 | streamcold.T = (25+273.15) * "K"; |
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| 63 | streamcold.z = [0,1]; |
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| 64 | #===================================================================== |
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| 65 | # Fouling |
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| 66 | #===================================================================== |
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| 67 | Pipe.Unity.Resistances.Rfi = 0*"m^2*K/kW"; |
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| 68 | Pipe.Unity.Resistances.Rfo = 0*"m^2*K/kW"; |
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| 69 | |
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| 70 | OPTIONS |
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| 71 | mode = "steady"; |
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| 72 | end |
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| 73 | |
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