Homologous.density_exponent
===========================
The power law exponent which defines the decline in density of
a homologous flow as a function of radius.

Type
  Double

Values
  Greater than 0 for a density that declines with radius

File
  `homologous.c <https://github.com/sirocco-rt/sirocco/blob/master/source/homologous.c>`_


Parent(s)
  * :ref:`Wind.type`: ``homologous``