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[Doc] Give better examples for using 'const_cp'

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This commit is contained in:
Ray Speth 2014-10-08 16:54:26 +00:00
parent 4457b4297c
commit c31aadc57f
1 changed files with 11 additions and 3 deletions
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14
doc/sphinx/cti/species.rst
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@ -218,12 +218,20 @@ follows:
\hat{s}^0(T) = \hat{s}^0(T_0) + \hat{c}_p^0 \ln (T/T_0)
The parameterization uses four constants: :math:`T_0, \hat{c}_p^0(T_0),
\hat{h}^0(T_0), \hat{s}^0(T)`.
\hat{h}^0(T_0), \hat{s}^0(T)`. The default value of :math:`T_0` is 298.15 K; the
default value for the other parameters is 0.0.
Example::
thermo = const_cp( t0 = 1200.0,
h0 = (-5.0, 'kcal/mol') )
thermo = const_cp(h0=(-393.51, 'kJ/mol'),
s0=(213.785, 'J/mol/K'),
cp0=(37.12, 'J/mol/K'))
Assuming that the :func:`units` function has been used to set the default energy
units to Joules and the default quantity unit to kmol, this may be equivalently
written as::
thermo = const_cp(h0=-3.9351e8, s0=2.13785e5, cp0=3.712e4)
.. See ##REF## for more examples of use of this parameterization.