The multiparam class, found in addon/pycThermopack/thermopack/multiparam.py, inherits from the thermo class, and is the interface to the Multiparameter Equations of State. Selection of different multiparameter equations of state is done by passing an identifier string to the constructor. For information on available multiparameter equations of state, see the page on available equations of state.

Table of contents

• Constructor
  • __init__
  • init

Constructor

Methods to initialise Multiparameter model.

Table of contents

• Constructor
  • __init__
  • init

__init__(self, comps=None, eos=None, reference_state='DEFAULT')

Initialize multiparameter EOS

          Unless both parameters are specified, model must be initialized for specific components later by direct call

          to ‘init’. Model can at any time be re-initialized for new components or parameters by direct calls to ‘init’

         

Args:

     comps (str, optional):

          Comma separated list of component names

     eos (str, optional):

          Equation of state. (NIST_MEOS, MBWR32, MBWR19)

     reference_state (str):

          Reference state. (“DEFAULT”, “IIR”, “NBP”, “ASHRAE”, “IDGAS”, “TRIPLE_POINT”)

         

init(self, comps, eos, reference_state='DEFAULT')

Initialize multiparameter EOS

Args:

     comps (str):

          Comma separated list of component names

     eos (str):

          Equation of state. (NIST_MEOS, MBWR32, MBWR19, MEOS, GERG2008)

     reference_state (str):

          Reference state. (“DEFAULT”, “IIR”, “NBP”, “ASHRAE”, “IDGAS”, “TRIPLE_POINT”)