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Last change
on this file since 51 was
45,
checked in by gerson bicca, 16 years ago
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updated heat exchanger model
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File size:
1.1 KB
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| Rev | Line | |
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| [26] | 1 | |
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| 2 | using "Heat_exchangers/HeatExchangerSimplified.mso"; |
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| 3 | |
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| 4 | FlowSheet LMTD_Method |
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| 5 | |
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| 6 | PARAMETERS |
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| 7 | |
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| 8 | PP as CalcObject (Brief="Physical Properties",File="vrpp"); |
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| [45] | 9 | NComp as Integer; |
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| [26] | 10 | |
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| 11 | |
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| 12 | |
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| 13 | DEVICES |
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| 14 | exchanger as HeatExchanger_LMTD; |
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| 15 | streamhot as streamTP; |
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| 16 | streamcold as streamTP; |
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| [45] | 17 | SET |
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| 18 | |
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| 19 | PP.LiquidModel = "PR"; |
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| 20 | PP.VapourModel = "PR"; |
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| 21 | PP.Components = ["water","n-butane", "benzene", "n-octane" ]; |
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| 22 | NComp = PP.NumberOfComponents; |
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| 23 | exchanger.HE.FlowDirection = "Cocurrent"; |
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| [26] | 24 | CONNECTIONS |
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| 25 | |
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| [45] | 26 | streamhot to exchanger.Inlet.Hot; |
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| [26] | 27 | streamcold to exchanger.Inlet.Cold; |
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| 28 | |
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| 29 | SPECIFY |
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| 30 | |
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| [45] | 31 | "LMTD Correction Factor" |
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| 32 | exchanger.Fc = 1; |
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| 33 | |
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| 34 | "Overall Heat Transfer Coefficient" |
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| 35 | exchanger.Details.U = 210*"W/(m^2*K)"; |
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| 36 | |
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| [26] | 37 | exchanger.PressureDrop.Hot.Pdrop = 0.1*"kPa"; |
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| 38 | exchanger.PressureDrop.Cold.Pdrop = 0.2*"kPa"; |
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| [45] | 39 | |
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| 40 | streamhot.F = 20 * "kmol/h"; |
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| 41 | streamhot.T = 450 * "K"; |
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| [26] | 42 | streamhot.P = 120 * "kPa"; |
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| 43 | streamhot.z = [1,0,0,0]; |
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| [45] | 44 | |
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| [26] | 45 | streamcold.F = 10 * "kmol/h"; |
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| 46 | streamcold.P = 120 * "kPa"; |
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| 47 | streamcold.T = 300 * "K"; |
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| 48 | streamcold.z = [0,0.5, 0.1, 0.4]; |
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| [45] | 49 | |
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| 50 | exchanger.Outlet.Cold.T = 340*"K"; |
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| [26] | 51 | |
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| 52 | OPTIONS |
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| 53 | mode = "steady"; |
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| 54 | end |
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