Cole equation of state

An equation of state introduced by R. H. Cole


 * $$p = B \left[ \left( \frac{\rho}{\rho_0} \right)^\gamma -1 \right] ,$$

where $$\rho_0$$ is a reference density, $$\gamma$$ is the adiabatic index, and $$B$$ is a parameter with pressure units.