Log of /trunk/models/johnpye/fprops/helmholtz.c

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Revision 1841 - (view) (download) (as text) (annotate) - [select for diffs]
Modified Fri Aug 29 07:27:59 2008 UTC (13 years, 10 months ago) by jpye
File length: 13107 byte(s)
Diff to previous 1840

Fixed calculation of nitrogen helmholtz_p.

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Revision 1840 - (view) (download) (as text) (annotate) - [select for diffs]
Modified Fri Aug 29 03:52:04 2008 UTC (13 years, 10 months ago) by jpye
File length: 12520 byte(s)
Diff to previous 1839

Fixed test data for ammonia p,h,s: agreement to 0.09% for all values.

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Revision 1839 - (view) (download) (as text) (annotate) - [select for diffs]
Modified Thu Aug 28 09:20:11 2008 UTC (13 years, 10 months ago) by jpye
File length: 12492 byte(s)
Diff to previous 1838

Getting closer with nitrogen test data.

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Revision 1838 - (view) (download) (as text) (annotate) - [select for diffs]
Modified Thu Aug 28 08:32:29 2008 UTC (13 years, 10 months ago) by jpye
File length: 12227 byte(s)
Diff to previous 1836

Added 'exponential' terms for nitrogen correlation (still testing).

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Revision 1836 - (view) (download) (as text) (annotate) - [select for diffs]
Modified Mon Aug 25 08:32:38 2008 UTC (13 years, 10 months ago) by jpye
File length: 11207 byte(s)
Diff to previous 1835

Fixed helm_resid and helm_resid_tau.

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Revision 1835 - (view) (download) (as text) (annotate) - [select for diffs]
Modified Mon Aug 25 08:18:23 2008 UTC (13 years, 10 months ago) by jpye
File length: 11409 byte(s)
Diff to previous 1832

Checked in generalised version of ideal gas component.
Working on adding the 'exponential' term for the Nitrogen correlation.

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Revision 1832 - (view) (download) (as text) (annotate) - [select for diffs]
Modified Fri Aug 22 07:23:58 2008 UTC (13 years, 10 months ago) by jpye
File length: 12302 byte(s)
Diff to previous 1831

Refactor helm_resid_tau.

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Revision 1831 - (view) (download) (as text) (annotate) - [select for diffs]
Modified Fri Aug 22 05:54:53 2008 UTC (13 years, 10 months ago) by jpye
File length: 20546 byte(s)
Diff to previous 1830

Fix copyright date.

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Revision 1830 - (view) (download) (as text) (annotate) - [select for diffs]
Modified Fri Aug 22 05:54:04 2008 UTC (13 years, 10 months ago) by jpye
File length: 20546 byte(s)
Diff to previous 1829

All tests pass to max error 2.0% (errors for low temperature liquids)

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Revision 1829 - (view) (download) (as text) (annotate) - [select for diffs]
Modified Fri Aug 22 05:00:53 2008 UTC (13 years, 10 months ago) by jpye
File length: 19726 byte(s)
Diff to previous 1828

Added entropy relation and tests. All entropy tests pass to within 0.03%.

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Revision 1828 - (view) (download) (as text) (annotate) - [select for diffs]
Modified Fri Aug 22 00:48:31 2008 UTC (13 years, 10 months ago) by jpye
File length: 15641 byte(s)
Diff to previous 1827

Fixed some problems with helmholtz_h.

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Revision 1827 - (view) (download) (as text) (annotate) - [select for diffs]
Modified Thu Aug 21 09:36:00 2008 UTC (13 years, 10 months ago) by jpye
File length: 14970 byte(s)
Diff to previous 1826

Test cases for helmholtz_p now passing, need to fix helmholtz_u.

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Revision 1826 - (view) (download) (as text) (annotate) - [select for diffs]
Modified Thu Aug 21 08:32:33 2008 UTC (13 years, 10 months ago) by jpye
File length: 12639 byte(s)
Diff to previous 1825

Fixed: tests for pressure relation are working now.

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Modified Thu Aug 21 05:03:19 2008 UTC (13 years, 10 months ago) by jpye
File length: 6161 byte(s)
Diff to previous 1824

Added functions for enthalpy and internal energy.
Test suites still needed!

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Revision 1824 - (view) (download) (as text) (annotate) - [select for diffs]
Modified Thu Aug 21 02:28:32 2008 UTC (13 years, 10 months ago) by jpye
File length: 6162 byte(s)
Diff to previous 1822

Added helmholtz_u and helmholtz_h, still require testing.

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Revision 1822 - (view) (download) (as text) (annotate) - [select for diffs]
Modified Wed Aug 20 09:06:39 2008 UTC (13 years, 10 months ago) by jpye
File length: 3578 byte(s)
Diff to previous 1810

More on helmholtz functions.

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Revision 1810 - (view) (download) (as text) (annotate) - [select for diffs]
Added Tue Jul 29 07:45:48 2008 UTC (13 years, 11 months ago) by jpye
File length: 2802 byte(s)

Added new code for calculating properties according to modified BWR correlation, also some initial
work on Helmholtz free energy correlation.