source: trunk/tutorial/ThreeTank2.mso @ 1009

Last change on this file since 1009 was 843, checked in by gerson bicca, 13 years ago

updated emso tutorial

  • Property svn:eol-style set to native
  • Property svn:keywords set to Id
File size: 1.6 KB
Line 
1#*---------------------------------------------------------------------
2* This file is property of the author and cannot be used, copyed
3* or modified without permission.
4*
5* Copyright (C) 2002-2004  the author
6*----------------------------------------------------------------------
7* Author: Rafael de Pelegrini Soares
8* $Id: ThreeTank2.mso 843 2009-09-03 18:36:47Z bicca $
9*----------------------------------------------------------------------
10*
11* Arquivo de exemplo do EMSO
12*-------------------------------------------------------------------*#
13
14Model tank_simplified
15
16PARAMETERS
17        pi  as Real (Brief="pi number",Default=3.141592);
18        k       as Real (Brief="Valve Constant", Unit = 'm^2.5/h', Default=4);
19        Dh  as Real     (Brief="Hydraulic diameter", Unit = 'm', Default=2);
20        A       as Real (Brief="Tank area", Unit = 'm^2');
21
22SET
23        pi  = 3.141592;
24        A   = (pi*Dh^2)/4;
25
26VARIABLES
27        V               as Real (Brief="Tank Volume", Lower = 0, Unit='m^3');
28        Level   as Real (Brief="Tank level", Lower = 0, Unit='m');
29in      Fin     as Real (Brief="Input flow", Lower = 0, Unit='m^3/h');
30out     Fout    as Real (Brief="Output flow",Lower = 0, Unit='m^3/h');
31
32EQUATIONS
33
34"Mass balance"
35        diff(V) = Fin - Fout;
36
37"Valve equation"
38        Fout = k*sqrt(Level);
39
40"Tank volume"
41        V = A*Level;
42
43end
44
45
46FlowSheet ThreeTank
47       
48DEVICES
49        Feed    as Real (Brief="Feed Stream", Unit='m^3/h');
50       
51        Tank1   as tank_simplified (Brief="First Tank");
52        Tank2   as tank_simplified (Brief="Second Tank");
53        Tank3   as tank_simplified (Brief="Third Tank");
54
55CONNECTIONS
56        Feed        to  Tank1.Fin;
57        Tank1.Fout      to      Tank2.Fin;
58        Tank2.Fout      to      Tank3.Fin;
59
60SPECIFY
61        Feed = 10 * 'm^3/h';
62       
63INITIAL
64        Tank1.Level = 1 * 'm';
65        Tank2.Level = 2 * 'm';
66        Tank3.Level = 1 * 'm';
67
68end
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