source: branches/gui/sample/case_study/sample_flash.mso

Last change on this file was 911, checked in by Argimiro Resende Secchi, 12 years ago

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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* Sample file for model flash and flashSteady
17*--------------------------------------------------------------------
18*
19* This sample file needs VRTherm (www.vrtech.com.br) to run.
20*
21*----------------------------------------------------------------------
22* Author: Paula B. Staudt
23* $Id: sample_flash.mso 633 2008-09-24 00:26:30Z bicca $
24*--------------------------------------------------------------------*#
25using "stage_separators/flash";
26
27# exemplo baseado nos dados do artigo do Gani 1985.
28FlowSheet flash_Test
29        PARAMETERS
30        PP as Plugin(Brief="Physical Properties",
31                Type="PP",
32                Components = ["1,3-butadiene", "isobutene", "n-pentane",
33                        "1-pentene", "1-hexene", "benzene"],
34                LiquidModel = "PR",
35                VapourModel = "PR"
36        );
37        NComp as Integer;
38
39        VARIABLES
40        Q       as energy_source (Brief="Heat supplied");
41       
42        SET
43        NComp = PP.NumberOfComponents;
44       
45        DEVICES
46        fl as flash;
47        s1 as source;
48       
49        CONNECTIONS
50        s1.Outlet to fl.Inlet;
51        Q.OutletQ to fl.InletQ;
52       
53        EQUATIONS
54        fl.OutletLiquid.F = 400*sqrt(fl.Geometry.Level/'m') * 'kmol/h';
55       
56        SPECIFY
57        s1.F = 496.3 * 'kmol/h';
58        s1.T = 338 * 'K';
59        s1.P = 507.1 * 'kPa';
60        s1.Composition = [0.2379,0.3082,0.09958,0.1373,0.08872,0.1283];
61
62        fl.OutletVapour.F = 68.5 * 'kmol/h';
63        Q.OutletQ = 0 * 'kJ/h';
64       
65        SET
66        fl.Geometry.Lenght = 10 * 'm';
67        fl.Geometry.Diameter = 2 * 'm';
68        fl.Geometry.Orientation = "vertical";
69#       fl.Geometry.Orientation = "horizontal";
70
71        INITIAL
72        fl.OutletLiquid.T = 338 * 'K';
73        fl.Geometry.Level = 0.4 * 'm';
74        fl.OutletLiquid.z([1:5]) = 0.1;
75       
76        OPTIONS
77        Dynamic = true;
78        TimeStep = 0.1;
79        TimeEnd = 5;
80        TimeUnit = 'h';
81end
82
83# exemplo baseado nos dados do artigo do Gani 1985.
84FlowSheet flashSteady_Test
85        PARAMETERS
86        PP as Plugin(Brief="Physical Properties",
87                Type="PP",
88                Components = ["1,3-butadiene", "isobutene", "n-pentane",
89                        "1-pentene", "1-hexene", "benzene"],
90                LiquidModel = "PR",
91                VapourModel = "PR"
92        );
93        NComp as Integer;
94
95        VARIABLES
96        Q       as energy_source (Brief="Heat supplied");
97       
98        SET
99        NComp = PP.NumberOfComponents;
100       
101        DEVICES
102        fl as flash_steady;
103        s1 as source;
104       
105        CONNECTIONS
106        s1.Outlet to fl.Inlet;
107        Q.OutletQ to fl.InletQ;
108       
109        SPECIFY
110        s1.F = 496.3 * 'kmol/h';
111        s1.T = 338 * 'K';
112        s1.P = 507.1 * 'kPa';
113        s1.Composition = [0.2379,0.3082,0.09959,0.1373,0.08872,0.1283];
114       
115        fl.OutletLiquid.P = 2.5 * 'atm';
116
117        #Q.OutletQ = 0 * 'kJ/h';
118        fl.OutletLiquid.T = 315.06 * 'K';
119       
120        OPTIONS
121        Dynamic = false;       
122end
123
124
125CaseStudy caseFlash as flashSteady_Test
126
127        VARY
128
129        s1.F = [496.3, 496.31]*'kmol/h';
130
131        RESPONSE
132
133
134        fl.OutletVapour.F'kmol/h';
135
136end
137
138CaseStudy caseFlash2 as flashSteady_Test
139
140        VARY
141
142        s1.Composition(1) = [ 0.2379, 0.3 ,  0.35];
143        s1.F = [496.3, 496.31]*'kmol/h';
144
145RESPONSE
146
147        fl.OutletVapour.z(1);
148        fl.OutletVapour.F'kmol/h';
149
150end
151
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