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/Heatex"; |
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21 | |
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22 | # This model is valid if 14m^2 < A < 1100 m^2 |
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23 | |
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24 | Model HeatExchanger_LMTD_cost as Heatex_LMTD |
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25 | ATTRIBUTES |
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26 | Pallete = true; |
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27 | Icon = "icon/HeatExchanger_LMTD"; |
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28 | Brief = "Heat Exchanger Block - LMTD Method"; |
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29 | Info = |
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30 | "to be documented."; |
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31 | |
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32 | PARAMETERS |
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33 | 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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34 | Default = "Stainless steel 316"); |
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35 | Cost(8,3) as Real; |
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36 | |
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37 | VARIABLES |
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38 | Ce as currency (Brief="Capital Cost"); |
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39 | Cb as currency (Brief="Basic Cost"); |
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40 | Fd as positive (Brief="Cost Factor based on the type of the heat exchanger"); |
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41 | Fp as positive (Brief="Cost Factor based on the project pressure"); |
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42 | Fm as positive (Brief="Cost Factor based on the construction material"); |
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43 | Pmax as pressure (Brief="Average Pressure"); |
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44 | |
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45 | EQUATIONS |
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46 | "Average pressure" |
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47 | Pmax = max( [(0.5*InletHot.P+0.5*OutletHot.P) , (0.5*InletCold.P+0.5*OutletCold.P)] ); |
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48 | |
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49 | |
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50 | "Capital Cost" |
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51 | Ce = Cb*Fd*Fp*Fm; |
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52 | |
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53 | "Basic Cost" |
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54 | Cb = 'US$'*exp(Cost(1,1) + Cost(1,2)*ln(A/'m^2') + Cost(1,3)*(ln(A/'m^2'))^2); |
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55 | |
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56 | "Cost Factor based on the type of the heat exchanger" |
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57 | Fd = exp(Cost(2,1) + Cost(2,2)*ln(A/'m^2') + Cost(2,3)*ln(A/'m^2')); |
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58 | |
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59 | if Pmax <= 700 * 'kPa' then |
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60 | "Cost Factor based on the project pressure" # verificar |
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61 | Fp = Cost(5,1) + Cost(5,2)*ln(A/'m^2'); |
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62 | else if 700 * 'kPa' < Pmax and Pmax < 2100 * 'kPa' then |
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63 | Fp = Cost(5,1) + Cost(5,2)*ln(A/'m^2'); |
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64 | else if 2100 * 'kPa' < Pmax and Pmax < 4200 * 'kPa' then |
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65 | Fp = Cost(6,1) + Cost(6,2)*ln(A/'m^2'); |
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66 | else if 4200 * 'kPa' < Pmax and Pmax < 6200 * 'kPa' then |
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67 | Fp = Cost(7,1) + Cost(7,2)*ln(A/'m^2'); |
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68 | else |
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69 | Fp = Cost(7,1) + Cost(7,2)*ln(A/'m^2'); # verificar |
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70 | end |
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71 | end |
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72 | end |
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73 | end |
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74 | |
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75 | "Cost Factor based on the construction material" |
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76 | Fm = Cost(8,1) + Cost(8,2)*ln(A/'m^2'); |
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77 | |
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78 | end |
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79 | |
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80 | Model Shell_and_tubes_LMTD_cost as Heatex_LMTD |
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81 | ATTRIBUTES |
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82 | Pallete = true; |
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83 | Icon = "icon/Shell_and_Tubes_LMTD"; |
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84 | Brief = "Shell and Tubes Heat Exchanger with 1 or 2 shell pass - LMTD Method"; |
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85 | Info = |
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86 | "to be documented."; |
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87 | |
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88 | PARAMETERS |
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89 | 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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90 | Default = "Stainless steel 316"); |
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91 | Cost(8,3) as Real; |
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92 | |
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93 | VARIABLES |
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94 | Ce as currency (Brief="Capital Cost"); |
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95 | Cb as currency (Brief="Basic Cost"); |
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96 | Fd as positive (Brief="Cost Factor based on the type of the heat exchanger"); |
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97 | Fp as positive (Brief="Cost Factor based on the project pressure"); |
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98 | Fm as positive (Brief="Cost Factor based on the construction material"); |
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99 | Pmax as pressure (Brief="Average Pressure"); |
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100 | |
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101 | SET |
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102 | |
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103 | ExchangerType = "Shell and Tube"; |
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104 | |
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105 | EQUATIONS |
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106 | "Average pressure" |
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107 | Pmax = max( [(0.5*InletHot.P+0.5*OutletHot.P) , (0.5*InletCold.P+0.5*OutletCold.P)] ); |
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108 | |
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109 | "Capital Cost" |
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110 | Ce = Cb*Fd*Fp*Fm; |
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111 | |
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112 | "Basic Cost" |
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113 | Cb = 'US$'*exp(Cost(1,1) + Cost(1,2)*ln(A/'m^2') + Cost(1,3)*(ln(A/'m^2'))^2); |
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114 | |
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115 | "Cost Factor based on the type of the heat exchanger" |
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116 | Fd = exp(Cost(2,1) + Cost(2,2)*ln(A/'m^2') + Cost(2,3)*ln(A/'m^2')); |
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117 | |
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118 | if Pmax <= 700 * 'kPa' then |
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119 | "Cost Factor based on the project pressure" # verificar |
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120 | Fp = Cost(5,1) + Cost(5,2)*ln(A/'m^2'); |
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121 | else if 700 * 'kPa' < Pmax and Pmax < 2100 * 'kPa' then |
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122 | Fp = Cost(5,1) + Cost(5,2)*ln(A/'m^2'); |
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123 | else if 2100 * 'kPa' < Pmax and Pmax < 4200 * 'kPa' then |
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124 | Fp = Cost(6,1) + Cost(6,2)*ln(A/'m^2'); |
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125 | else if 4200 * 'kPa' < Pmax and Pmax < 6200 * 'kPa' then |
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126 | Fp = Cost(7,1) + Cost(7,2)*ln(A/'m^2'); |
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127 | else |
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128 | Fp = Cost(7,1) + Cost(7,2)*ln(A/'m^2'); # verificar |
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129 | end |
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130 | end |
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131 | end |
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132 | end |
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133 | |
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134 | "Cost Factor based on the construction material" |
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135 | Fm = Cost(8,1) + Cost(8,2)*ln(A/'m^2'); |
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136 | |
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137 | end |
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138 | |
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139 | Model HeatExchanger_NTU_cost as Heatex_NTU |
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140 | ATTRIBUTES |
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141 | Pallete = true; |
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142 | Icon = "icon/HeatExchanger_NTU"; |
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143 | Brief = "Heat Exchanger Block - NTU Method"; |
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144 | Info = |
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145 | "to be documented."; |
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146 | |
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147 | PARAMETERS |
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148 | 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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149 | Default = "Stainless steel 316"); |
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150 | Cost(8,3) as Real; |
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151 | |
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152 | VARIABLES |
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153 | Ce as currency (Brief="Capital Cost"); |
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154 | Cb as currency (Brief="Basic Cost"); |
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155 | Fd as positive (Brief="Cost Factor based on the type of the heat exchanger"); |
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156 | Fp as positive (Brief="Cost Factor based on the project pressure"); |
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157 | Fm as positive (Brief="Cost Factor based on the construction material"); |
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158 | Pmax as pressure (Brief="Average Pressure"); |
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159 | |
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160 | EQUATIONS |
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161 | "Average pressure" |
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162 | Pmax = max( [(0.5*InletHot.P+0.5*OutletHot.P) , (0.5*InletCold.P+0.5*OutletCold.P)] ); |
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163 | |
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164 | "Capital Cost" |
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165 | Ce = Cb*Fd*Fp*Fm; |
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166 | |
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167 | "Basic Cost" |
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168 | Cb = 'US$'*exp(Cost(1,1) + Cost(1,2)*ln(A/'m^2') + Cost(1,3)*(ln(A/'m^2'))^2); |
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169 | |
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170 | "Cost Factor based on the type of the heat exchanger" |
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171 | Fd = exp(Cost(2,1) + Cost(2,2)*ln(A/'m^2') + Cost(2,3)*ln(A/'m^2')); |
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172 | |
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173 | if Pmax <= 700 * 'kPa' then |
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174 | "Cost Factor based on the project pressure" # verificar |
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175 | Fp = Cost(5,1) + Cost(5,2)*ln(A/'m^2'); |
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176 | else if 700 * 'kPa' < Pmax and Pmax < 2100 * 'kPa' then |
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177 | Fp = Cost(5,1) + Cost(5,2)*ln(A/'m^2'); |
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178 | else if 2100 * 'kPa' < Pmax and Pmax < 4200 * 'kPa' then |
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179 | Fp = Cost(6,1) + Cost(6,2)*ln(A/'m^2'); |
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180 | else if 4200 * 'kPa' < Pmax and Pmax < 6200 * 'kPa' then |
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181 | Fp = Cost(7,1) + Cost(7,2)*ln(A/'m^2'); |
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182 | else |
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183 | Fp = Cost(7,1) + Cost(7,2)*ln(A/'m^2'); # verificar |
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184 | end |
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185 | end |
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186 | end |
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187 | end |
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188 | |
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189 | "Cost Factor based on the construction material" |
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190 | Fm = Cost(8,1) + Cost(8,2)*ln(A/'m^2'); |
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191 | |
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192 | end |
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193 | |
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194 | Model Shell_and_tubes_NTU_cost as Heatex_NTU |
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195 | ATTRIBUTES |
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196 | Pallete = true; |
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197 | Icon = "icon/Shell_and_Tubes_NTU"; |
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198 | Brief = "Shell and Tubes Heat Exchanger with 1 or 2 shell pass - NTU Method"; |
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199 | Info = |
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200 | "to be documented."; |
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201 | |
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202 | PARAMETERS |
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203 | 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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204 | Default = "Stainless steel 316"); |
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205 | Cost(8,3) as Real; |
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206 | |
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207 | VARIABLES |
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208 | Ce as currency (Brief="Capital Cost"); |
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209 | Cb as currency (Brief="Basic Cost"); |
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210 | Fd as positive (Brief="Cost Factor based on the type of the heat exchanger"); |
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211 | Fp as positive (Brief="Cost Factor based on the project pressure"); |
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212 | Fm as positive (Brief="Cost Factor based on the construction material"); |
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213 | Pmax as pressure (Brief="Average Pressure"); |
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214 | |
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215 | SET |
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216 | |
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217 | ExchangerType = "Shell and Tube"; |
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218 | |
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219 | EQUATIONS |
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220 | "Average pressure" |
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221 | Pmax = max( [(0.5*InletHot.P+0.5*OutletHot.P) , (0.5*InletCold.P+0.5*OutletCold.P)] ); |
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222 | |
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223 | "Capital Cost" |
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224 | Ce = Cb*Fd*Fp*Fm; |
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225 | |
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226 | "Basic Cost" |
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227 | Cb = 'US$'*exp(Cost(1,1) + Cost(1,2)*ln(A/'m^2') + Cost(1,3)*(ln(A/'m^2'))^2); |
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228 | |
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229 | "Cost Factor based on the type of the heat exchanger" |
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230 | Fd = exp(Cost(2,1) + Cost(2,2)*ln(A/'m^2') + Cost(2,3)*ln(A/'m^2')); |
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231 | |
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232 | if Pmax <= 700 * 'kPa' then |
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233 | "Cost Factor based on the project pressure" # verificar |
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234 | Fp = Cost(5,1) + Cost(5,2)*ln(A/'m^2'); |
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235 | else if 700 * 'kPa' < Pmax and Pmax < 2100 * 'kPa' then |
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236 | Fp = Cost(5,1) + Cost(5,2)*ln(A/'m^2'); |
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237 | else if 2100 * 'kPa' < Pmax and Pmax < 4200 * 'kPa' then |
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238 | Fp = Cost(6,1) + Cost(6,2)*ln(A/'m^2'); |
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239 | else if 4200 * 'kPa' < Pmax and Pmax < 6200 * 'kPa' then |
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240 | Fp = Cost(7,1) + Cost(7,2)*ln(A/'m^2'); |
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241 | else |
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242 | Fp = Cost(7,1) + Cost(7,2)*ln(A/'m^2'); # verificar |
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243 | end |
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244 | end |
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245 | end |
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246 | end |
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247 | |
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248 | "Cost Factor based on the construction material" |
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249 | Fm = Cost(8,1) + Cost(8,2)*ln(A/'m^2'); |
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250 | |
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251 | end |
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252 | |
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