/[ascend]/trunk/models/steam/iapwssat.a4c
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Annotation of /trunk/models/steam/iapwssat.a4c

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Revision 1042 - (hide annotations) (download) (as text)
Fri Jan 5 04:53:38 2007 UTC (15 years, 7 months ago) by johnpye
File MIME type: text/x-ascend
File size: 519 byte(s)
Added saturated steam routines (taked from IAPWS 'supsat.pdf')
Added test case TestSteam for evaluating iapwssatprops.a4c documented test cases.
1 johnpye 1042 REQUIRE "iapwssatprops.a4c";
2    
3     MODEL iapwssat REFINES iapwssatprops;
4     x IS_A fraction;
5     h IS_A specific_enthalpy;
6     u IS_A specific_energy;
7     v IS_A specific_volume;
8    
9     h_expr: h = (h_g - h_f)*x + h_f;
10     u_expr: u = (u_g - u_f)*x + u_f;
11     v_expr: v = (rho_g + (rho_f - rho_g)*x ) / ( rho_f * rho_g );
12     METHODS
13     METHOD specify;
14     RUN iapwssatprops::specify;
15     FIX x;
16     END specify;
17     METHOD values;
18     RUN iapwssatprops::values;
19     x := 0.5;
20     END values;
21     METHOD on_load;
22     RUN reset; RUN values;
23     RUN bound_self;
24     END on_load;
25     END iapwssat;

john.pye@anu.edu.au
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