source: mso/sample/heat_exchangers/sampleLMTD.mso @ 69

Last change on this file since 69 was 45, checked in by gerson bicca, 16 years ago

updated heat exchanger model

File size: 1.1 KB
Line 
1
2using "Heat_exchangers/HeatExchangerSimplified.mso";
3
4FlowSheet LMTD_Method
5
6PARAMETERS
7
8PP               as CalcObject (Brief="Physical Properties",File="vrpp");
9NComp   as Integer;
10       
11
12       
13DEVICES
14exchanger       as HeatExchanger_LMTD;
15streamhot       as streamTP;
16streamcold  as streamTP;
17SET
18
19PP.LiquidModel          = "PR";
20PP.VapourModel          = "PR";
21PP.Components           = ["water","n-butane", "benzene", "n-octane" ];
22NComp                           = PP.NumberOfComponents;
23exchanger.HE.FlowDirection    = "Cocurrent";   
24CONNECTIONS
25
26streamhot       to exchanger.Inlet.Hot;
27streamcold      to exchanger.Inlet.Cold;
28       
29SPECIFY
30
31"LMTD Correction Factor"
32        exchanger.Fc = 1;
33       
34"Overall Heat Transfer Coefficient"     
35        exchanger.Details.U = 210*"W/(m^2*K)";
36
37exchanger.PressureDrop.Hot.Pdrop        = 0.1*"kPa";
38exchanger.PressureDrop.Cold.Pdrop   = 0.2*"kPa";
39
40streamhot.F             = 20    * "kmol/h";
41streamhot.T             = 450     * "K";
42streamhot.P             = 120    * "kPa";
43streamhot.z             = [1,0,0,0];
44
45streamcold.F            = 10 * "kmol/h";
46streamcold.P            = 120 * "kPa";
47streamcold.T            = 300 * "K";   
48streamcold.z            = [0,0.5, 0.1, 0.4];
49
50exchanger.Outlet.Cold.T = 340*"K";
51       
52OPTIONS
53 mode                     = "steady";
54 end
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