The ``constants.py`` module
===========================

.. py:module:: ansys.chemkin.core.constants


Summary
-------










.. py:currentmodule:: constants
.. tab-set::




    .. tab-item:: Classes

        .. list-table::
          :header-rows: 0
          :widths: auto


          * - :py:obj:`~ansys.chemkin.core.constants.Air`
            - define the "air" composition in PyChemkin with a fixed mixture "recipe".





    .. tab-item:: Functions

        .. list-table::
          :header-rows: 0
          :widths: auto


          * - :py:obj:`~water_heat_vaporization`
            - Get the heat if vporization of water at the given temperature [K].




    .. tab-item:: Constants

        .. list-table::
          :header-rows: 0
          :widths: auto


          * - :py:obj:`~BOLTZMANN`
            - 


          * - :py:obj:`~AVOGADRO`
            - 


          * - :py:obj:`~P_ATM`
            - 


          * - :py:obj:`~P_TORRS`
            - 


          * - :py:obj:`~ERGS_PER_JOULE`
            - 


          * - :py:obj:`~JOULES_PER_CALORIE`
            - 


          * - :py:obj:`~ERGS_PER_CALORIE`
            - 


          * - :py:obj:`~ERGS_PER_EV`
            - 


          * - :py:obj:`~EV_PER_K`
            - 


          * - :py:obj:`~R_GAS`
            - 


          * - :py:obj:`~R_GAS_CAL`
            - 







.. toctree::
   :titlesonly:
   :maxdepth: 1
   :hidden:

    <span class="nf nf-cod-symbol_class"></span> Air</api/ansys/chemkin/core/constants/Air>









Description
-----------

Constants used by Chemkin utilities and models.







Module detail
-------------

.. py:function:: water_heat_vaporization(temperature: float) -> float

   Get the heat if vporization of water at the given temperature [K].


.. py:data:: BOLTZMANN
   :value: 1.3806504e-16


.. py:data:: AVOGADRO
   :value: 6.02214179e+23


.. py:data:: P_ATM
   :value: 1013250.0


.. py:data:: P_TORRS
   :value: 1333.2236842105262


.. py:data:: ERGS_PER_JOULE
   :value: 10000000.0


.. py:data:: JOULES_PER_CALORIE
   :value: 4.184


.. py:data:: ERGS_PER_CALORIE
   :value: 41840000.0


.. py:data:: ERGS_PER_EV
   :value: 1.602176487e-12


.. py:data:: EV_PER_K
   :value: 11604.505289680863


.. py:data:: R_GAS
   :value: 83144724.71220216


.. py:data:: R_GAS_CAL
   :value: 1.9872066135803572