[331] | 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 | * Author: Núbia do Carmo Ferreira |
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| 17 | * $Id: HeatExchangerDetailed.mso 197 2007-03-08 14:31:57Z bicca $ |
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| 18 | *------------------------------------------------------------------*# |
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| 19 | |
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| 20 | using "heat_exchangers/HeatExchangerDetailed"; |
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| 21 | |
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| 22 | Model ShellandTubes_NTU_cost as ShellandTubes_NTU |
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| 23 | ATTRIBUTES |
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| 24 | Pallete = true; |
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| 25 | Icon = "icon/ShellandTubes_NTU"; |
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| 26 | Brief = "Shell and Tubes Heat Exchangers"; |
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| 27 | Info = |
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| 28 | "to be documented"; |
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| 29 | |
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| 30 | PARAMETERS |
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| 31 | Material as Switcher (Valid = ["Stainless steel 316", "Stainless steel 304", "Stainless steel 347", "Nickel 200", "Monel 400", "Inconel 600", "Incoloy 825", "Titanium", "Hastelloy"], |
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| 32 | Default = "Stainless steel 316"); |
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| 33 | Cost(8,3) as Real; |
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| 34 | |
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| 35 | VARIABLES |
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| 36 | Ce as currency (Brief="Capital Cost"); |
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| 37 | Cb as currency (Brief="Basic Cost"); |
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| 38 | Fd as positive (Brief="Cost Factor based on the type of the heat exchanger"); |
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| 39 | Fp as positive (Brief="Cost Factor based on the project pressure"); |
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| 40 | Fm as positive (Brief="Cost Factor based on the construction material"); |
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| 41 | Pmax as pressure (Brief="Average Pressure"); |
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| 42 | |
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| 43 | EQUATIONS |
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| 44 | "Average pressure" |
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| 45 | Pmax = max( [Tubes.Properties.Average.P , Shell.Properties.Average.P] ); |
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| 46 | |
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| 47 | "Capital Cost" |
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| 48 | Ce = Cb*Fd*Fp*Fm; |
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| 49 | |
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| 50 | "Basic Cost" |
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| 51 | Cb = 'US$'*exp(Cost(1,1) + Cost(1,2)*ln(Details.A/'m^2') + Cost(1,3)*(ln(Details.A/'m^2'))^2); |
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| 52 | |
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| 53 | "Cost Factor based on the type of the heat exchanger" |
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| 54 | Fd = exp(Cost(2,1) + Cost(2,2)*ln(Details.A/'m^2') + Cost(2,3)*ln(Details.A/'m^2')); |
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| 55 | |
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| 56 | if Pmax <= 700 * 'kPa' then |
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| 57 | "Cost Factor based on the project pressure" # verificar |
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| 58 | Fp = Cost(5,1) + Cost(5,2)*ln(Details.A/'m^2'); |
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| 59 | else if 700 * 'kPa' < Pmax and Pmax < 2100 * 'kPa' then |
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| 60 | Fp = Cost(5,1) + Cost(5,2)*ln(Details.A/'m^2'); |
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| 61 | else if 2100 * 'kPa' < Pmax and Pmax < 4200 * 'kPa' then |
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| 62 | Fp = Cost(6,1) + Cost(6,2)*ln(Details.A/'m^2'); |
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| 63 | else if 4200 * 'kPa' < Pmax and Pmax < 6200 * 'kPa' then |
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| 64 | Fp = Cost(7,1) + Cost(7,2)*ln(Details.A/'m^2'); |
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| 65 | else |
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| 66 | Fp = Cost(7,1) + Cost(7,2)*ln(Details.A/'m^2'); # verificar |
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| 67 | end |
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| 68 | end |
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| 69 | end |
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| 70 | end |
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| 71 | |
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| 72 | "Cost Factor based on the construction material" |
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| 73 | Fm = Cost(8,1) + Cost(8,2)*ln(Details.A/'m^2'); |
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| 74 | |
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| 75 | end |
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| 76 | |
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| 77 | |
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| 78 | Model ShellandTubes_LMTD_cost as ShellandTubes_LMTD |
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| 79 | ATTRIBUTES |
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| 80 | Pallete = true; |
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| 81 | Icon = "icon/ShellandTubes_LMTD"; |
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| 82 | Brief = "Shell and Tubes Heat Exchangers"; |
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| 83 | Info = |
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| 84 | "to be documented."; |
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| 85 | |
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| 86 | PARAMETERS |
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| 87 | Material as Switcher (Valid = ["Stainless steel 316", "Stainless steel 304", "Stainless steel 347", "Nickel 200", "Monel 400", "Inconel 600", "Incoloy 825", "Titanium", "Hastelloy"], |
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| 88 | Default = "Stainless steel 316"); |
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| 89 | Cost(8,3) as Real; |
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| 90 | |
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| 91 | VARIABLES |
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| 92 | Ce as currency (Brief="Capital Cost"); |
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| 93 | Cb as currency (Brief="Basic Cost"); |
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| 94 | Fd as positive (Brief="Cost Factor based on the type of the heat exchanger"); |
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| 95 | Fp as positive (Brief="Cost Factor based on the project pressure"); |
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| 96 | Fm as positive (Brief="Cost Factor based on the construction material"); |
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| 97 | Pmax as pressure (Brief="Average Pressure"); |
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| 98 | |
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| 99 | EQUATIONS |
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| 100 | "Average pressure" |
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| 101 | Pmax = max( [Tubes.Properties.Average.P , Shell.Properties.Average.P] ); |
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| 102 | |
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| 103 | "Capital Cost" |
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| 104 | Ce = Cb*Fd*Fp*Fm; |
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| 105 | |
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| 106 | "Basic Cost" |
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| 107 | Cb = 'US$'*exp(Cost(1,1) + Cost(1,2)*ln(Details.A/'m^2') + Cost(1,3)*(ln(Details.A/'m^2'))^2); |
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| 108 | |
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| 109 | "Cost Factor based on the type of the heat exchanger" |
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| 110 | Fd = exp(Cost(2,1) + Cost(2,2)*ln(Details.A/'m^2') + Cost(2,3)*ln(Details.A/'m^2')); |
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| 111 | |
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| 112 | if Pmax <= 700 * 'kPa' then |
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| 113 | "Cost Factor based on the project pressure" # verificar |
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| 114 | Fp = Cost(5,1) + Cost(5,2)*ln(Details.A/'m^2'); |
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| 115 | else if 700 * 'kPa' < Pmax and Pmax < 2100 * 'kPa' then |
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| 116 | Fp = Cost(5,1) + Cost(5,2)*ln(Details.A/'m^2'); |
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| 117 | else if 2100 * 'kPa' < Pmax and Pmax < 4200 * 'kPa' then |
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| 118 | Fp = Cost(6,1) + Cost(6,2)*ln(Details.A/'m^2'); |
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| 119 | else if 4200 * 'kPa' < Pmax and Pmax < 6200 * 'kPa' then |
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| 120 | Fp = Cost(7,1) + Cost(7,2)*ln(Details.A/'m^2'); |
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| 121 | else |
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| 122 | Fp = Cost(7,1) + Cost(7,2)*ln(Details.A/'m^2'); # verificar |
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| 123 | end |
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| 124 | end |
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| 125 | end |
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| 126 | end |
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| 127 | |
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| 128 | "Cost Factor based on the construction material" |
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| 129 | Fm = Cost(8,1) + Cost(8,2)*ln(Details.A/'m^2'); |
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| 130 | |
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| 131 | end |
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