source: branches/rate/eml/costs/HeatExchangerSimplified_cost.mso @ 943

Last change on this file since 943 was 491, checked in by gerson bicca, 15 years ago

fixed heat exchanger cost model

File size: 8.3 KB
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1#*-------------------------------------------------------------------
2* EMSO Model Library (EML) Copyright (C) 2004 - 2007 ALSOC.
3*
4* This LIBRARY is free software; you can distribute it and/or modify
5* it under the therms of the ALSOC FREE LICENSE as available at
6* http://www.enq.ufrgs.br/alsoc.
7*
8* EMSO Copyright (C) 2004 - 2007 ALSOC, original code
9* from http://www.rps.eng.br Copyright (C) 2002-2004.
10* All rights reserved.
11*
12* EMSO is distributed under the therms of the ALSOC LICENSE as
13* available at http://www.enq.ufrgs.br/alsoc.
14*
15*--------------------------------------------------------------------
16* Author: Núbia do Carmo Ferreira
17* $Id: HeatExchangerDetailed.mso 197 2007-03-08 14:31:57Z bicca $
18*------------------------------------------------------------------*#
19
20using "heat_exchangers/Heatex";
21
22# This model is valid if 14m^2 < A < 1100 m^2
23
24Model HeatExchanger_LMTD_cost as Heatex_LMTD
25        ATTRIBUTES
26        Pallete         = true;
27        Icon            = "icon/HeatExchanger_LMTD";           
28        Brief           = "Heat Exchanger Block - LMTD Method";
29        Info            =
30        "to be documented.";
31
32        PARAMETERS
33        Material as Switcher (Valid = ["Stainless steel 316", "Stainless steel 304", "Stainless steel 347", "Nickel 200", "Monel 400", "Inconel 600", "Incoloy 825", "Titanium", "Hastelloy"],
34                        Default = "Stainless steel 316");
35        Cost(8,3) as Real;
36       
37        VARIABLES       
38        Ce as currency          (Brief="Capital Cost");
39        Cb as currency          (Brief="Basic Cost");
40        Fd as positive          (Brief="Cost Factor based on the type of the heat exchanger");
41        Fp as positive          (Brief="Cost Factor based on the project pressure");
42        Fm as positive          (Brief="Cost Factor based on the construction material");
43        Pmax  as pressure       (Brief="Average  Pressure");
44
45        EQUATIONS
46        "Average pressure"
47        Pmax = max( [HotSide.Properties.Average.P , ColdSide.Properties.Average.P] );
48       
49        "Capital Cost"
50        Ce = Cb*Fd*Fp*Fm;
51       
52        "Basic Cost"
53        Cb = 'US$'*exp(Cost(1,1) + Cost(1,2)*ln(Details.A/'m^2') + Cost(1,3)*(ln(Details.A/'m^2'))^2);
54
55        "Cost Factor based on the type of the heat exchanger"
56        Fd = exp(Cost(2,1) + Cost(2,2)*ln(Details.A/'m^2') + Cost(2,3)*ln(Details.A/'m^2'));
57
58        if Pmax <= 700 * 'kPa' then
59                "Cost Factor based on the project pressure" # verificar
60                Fp = Cost(5,1) + Cost(5,2)*ln(Details.A/'m^2');
61        else if 700 * 'kPa' < Pmax and Pmax < 2100 * 'kPa' then
62                Fp = Cost(5,1) + Cost(5,2)*ln(Details.A/'m^2');
63        else if 2100 * 'kPa' < Pmax and Pmax < 4200 * 'kPa' then
64                Fp = Cost(6,1) + Cost(6,2)*ln(Details.A/'m^2');
65        else if 4200 * 'kPa' < Pmax and Pmax < 6200 * 'kPa' then
66                Fp = Cost(7,1) + Cost(7,2)*ln(Details.A/'m^2');
67        else
68                Fp = Cost(7,1) + Cost(7,2)*ln(Details.A/'m^2'); # verificar
69        end
70        end
71        end
72        end
73       
74        "Cost Factor based on the construction material"
75        Fm = Cost(8,1) + Cost(8,2)*ln(Details.A/'m^2');
76       
77end
78
79Model Shell_and_tubes_LMTD_cost as Heatex_LMTD
80        ATTRIBUTES
81        Pallete         = true;
82        Icon            = "icon/Shell_and_Tubes_LMTD";
83        Brief           = "Shell and Tubes Heat Exchanger with 1 or 2 shell pass - LMTD Method";
84        Info            =
85        "to be documented.";
86
87        PARAMETERS
88        Material as Switcher (Valid = ["Stainless steel 316", "Stainless steel 304", "Stainless steel 347", "Nickel 200", "Monel 400", "Inconel 600", "Incoloy 825", "Titanium", "Hastelloy"],
89                        Default = "Stainless steel 316");
90        Cost(8,3) as Real;
91       
92        VARIABLES       
93        Ce as currency          (Brief="Capital Cost");
94        Cb as currency          (Brief="Basic Cost");
95        Fd as positive          (Brief="Cost Factor based on the type of the heat exchanger");
96        Fp as positive          (Brief="Cost Factor based on the project pressure");
97        Fm as positive          (Brief="Cost Factor based on the construction material");
98        Pmax  as pressure       (Brief="Average  Pressure");
99
100SET
101
102ExchangerType = "Shell and Tube";
103
104        EQUATIONS
105        "Average pressure"
106        Pmax = max( [HotSide.Properties.Average.P , ColdSide.Properties.Average.P] );
107       
108        "Capital Cost"
109        Ce = Cb*Fd*Fp*Fm;
110       
111        "Basic Cost"
112        Cb = 'US$'*exp(Cost(1,1) + Cost(1,2)*ln(Details.A/'m^2') + Cost(1,3)*(ln(Details.A/'m^2'))^2);
113
114        "Cost Factor based on the type of the heat exchanger"
115        Fd = exp(Cost(2,1) + Cost(2,2)*ln(Details.A/'m^2') + Cost(2,3)*ln(Details.A/'m^2'));
116
117        if Pmax <= 700 * 'kPa' then
118                "Cost Factor based on the project pressure" # verificar
119                Fp = Cost(5,1) + Cost(5,2)*ln(Details.A/'m^2');
120        else if 700 * 'kPa' < Pmax and Pmax < 2100 * 'kPa' then
121                Fp = Cost(5,1) + Cost(5,2)*ln(Details.A/'m^2');
122        else if 2100 * 'kPa' < Pmax and Pmax < 4200 * 'kPa' then
123                Fp = Cost(6,1) + Cost(6,2)*ln(Details.A/'m^2');
124        else if 4200 * 'kPa' < Pmax and Pmax < 6200 * 'kPa' then
125                Fp = Cost(7,1) + Cost(7,2)*ln(Details.A/'m^2');
126        else
127                Fp = Cost(7,1) + Cost(7,2)*ln(Details.A/'m^2'); # verificar
128        end
129        end
130        end
131        end
132       
133        "Cost Factor based on the construction material"
134        Fm = Cost(8,1) + Cost(8,2)*ln(Details.A/'m^2');
135       
136end
137
138Model HeatExchanger_NTU_cost as Heatex_NTU
139        ATTRIBUTES
140        Pallete         = true;
141        Icon            = "icon/HeatExchanger_NTU";     
142        Brief           = "Heat Exchanger Block - NTU Method";
143        Info            =
144        "to be documented.";
145
146        PARAMETERS
147        Material as Switcher (Valid = ["Stainless steel 316", "Stainless steel 304", "Stainless steel 347", "Nickel 200", "Monel 400", "Inconel 600", "Incoloy 825", "Titanium", "Hastelloy"],
148                        Default = "Stainless steel 316");
149        Cost(8,3) as Real;
150       
151        VARIABLES       
152        Ce as currency          (Brief="Capital Cost");
153        Cb as currency          (Brief="Basic Cost");
154        Fd as positive          (Brief="Cost Factor based on the type of the heat exchanger");
155        Fp as positive          (Brief="Cost Factor based on the project pressure");
156        Fm as positive          (Brief="Cost Factor based on the construction material");
157        Pmax  as pressure       (Brief="Average  Pressure");
158
159        EQUATIONS
160        "Average pressure"
161        Pmax = max( [HotSide.Properties.Average.P , ColdSide.Properties.Average.P] );
162       
163        "Capital Cost"
164        Ce = Cb*Fd*Fp*Fm;
165       
166        "Basic Cost"
167        Cb = 'US$'*exp(Cost(1,1) + Cost(1,2)*ln(Details.A/'m^2') + Cost(1,3)*(ln(Details.A/'m^2'))^2);
168
169        "Cost Factor based on the type of the heat exchanger"
170        Fd = exp(Cost(2,1) + Cost(2,2)*ln(Details.A/'m^2') + Cost(2,3)*ln(Details.A/'m^2'));
171
172        if Pmax <= 700 * 'kPa' then
173                "Cost Factor based on the project pressure" # verificar
174                Fp = Cost(5,1) + Cost(5,2)*ln(Details.A/'m^2');
175        else if 700 * 'kPa' < Pmax and Pmax < 2100 * 'kPa' then
176                Fp = Cost(5,1) + Cost(5,2)*ln(Details.A/'m^2');
177        else if 2100 * 'kPa' < Pmax and Pmax < 4200 * 'kPa' then
178                Fp = Cost(6,1) + Cost(6,2)*ln(Details.A/'m^2');
179        else if 4200 * 'kPa' < Pmax and Pmax < 6200 * 'kPa' then
180                Fp = Cost(7,1) + Cost(7,2)*ln(Details.A/'m^2');
181        else
182                Fp = Cost(7,1) + Cost(7,2)*ln(Details.A/'m^2'); # verificar
183        end
184        end
185        end
186        end
187       
188        "Cost Factor based on the construction material"
189        Fm = Cost(8,1) + Cost(8,2)*ln(Details.A/'m^2');
190       
191end
192
193Model Shell_and_tubes_NTU_cost as Heatex_NTU
194        ATTRIBUTES
195        Pallete         = true;
196        Icon            = "icon/Shell_and_Tubes_NTU";           
197        Brief           = "Shell and Tubes Heat Exchanger with 1 or 2 shell pass - NTU Method";
198        Info            =
199        "to be documented.";
200
201        PARAMETERS
202        Material as Switcher (Valid = ["Stainless steel 316", "Stainless steel 304", "Stainless steel 347", "Nickel 200", "Monel 400", "Inconel 600", "Incoloy 825", "Titanium", "Hastelloy"],
203                        Default = "Stainless steel 316");
204        Cost(8,3) as Real;
205       
206        VARIABLES       
207        Ce as currency          (Brief="Capital Cost");
208        Cb as currency          (Brief="Basic Cost");
209        Fd as positive          (Brief="Cost Factor based on the type of the heat exchanger");
210        Fp as positive          (Brief="Cost Factor based on the project pressure");
211        Fm as positive          (Brief="Cost Factor based on the construction material");
212        Pmax  as pressure       (Brief="Average  Pressure");
213
214SET
215
216ExchangerType = "Shell and Tube";
217
218        EQUATIONS
219        "Average pressure"
220        Pmax = max( [HotSide.Properties.Average.P , ColdSide.Properties.Average.P] );
221       
222        "Capital Cost"
223        Ce = Cb*Fd*Fp*Fm;
224       
225        "Basic Cost"
226        Cb = 'US$'*exp(Cost(1,1) + Cost(1,2)*ln(Details.A/'m^2') + Cost(1,3)*(ln(Details.A/'m^2'))^2);
227
228        "Cost Factor based on the type of the heat exchanger"
229        Fd = exp(Cost(2,1) + Cost(2,2)*ln(Details.A/'m^2') + Cost(2,3)*ln(Details.A/'m^2'));
230
231        if Pmax <= 700 * 'kPa' then
232                "Cost Factor based on the project pressure" # verificar
233                Fp = Cost(5,1) + Cost(5,2)*ln(Details.A/'m^2');
234        else if 700 * 'kPa' < Pmax and Pmax < 2100 * 'kPa' then
235                Fp = Cost(5,1) + Cost(5,2)*ln(Details.A/'m^2');
236        else if 2100 * 'kPa' < Pmax and Pmax < 4200 * 'kPa' then
237                Fp = Cost(6,1) + Cost(6,2)*ln(Details.A/'m^2');
238        else if 4200 * 'kPa' < Pmax and Pmax < 6200 * 'kPa' then
239                Fp = Cost(7,1) + Cost(7,2)*ln(Details.A/'m^2');
240        else
241                Fp = Cost(7,1) + Cost(7,2)*ln(Details.A/'m^2'); # verificar
242        end
243        end
244        end
245        end
246       
247        "Cost Factor based on the construction material"
248        Fm = Cost(8,1) + Cost(8,2)*ln(Details.A/'m^2');
249       
250end
251
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