Changes between Version 18 and Version 19 of u/bliu/pnfldiff
 Timestamp:
 08/13/18 15:07:45 (6 years ago)
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u/bliu/pnfldiff
v18 v19 22 22 == Equations == 23 23 24 24 25 $ \frac{\partial n_{e}}{\partial t} + \nabla\cdot(n_{e} \bold{u}) = Ir $[[BR]] 25 26 … … 37 38 38 39 $\frac{\partial E}{\partial t}=(\bold{U}_{rel}\cdot\nabla)E\frac{P}{\rho}(\nabla\cdot \bold{u})\frac{\Lambda\Gamma}{\rho}$[[BR]] 40 41 Optical depth of the interior:[[BR]] 42 43 $\tau=(1x)n\sigma_{0}r$[[BR]] 44 45 $1/n\sigma$ is the UV photon mean free path $\tau$ equals the number of mean free paths in the distance r. $x=n_{e}/n$ is the ionization fraction 39 46 40 47