Alfvén number
= Alfvén number
{c}
{title2=$A$}
An <Alfvén number> is the ratio of a flow speed to the corresponding <Alfvén speed>. For a poloidal flow parallel to a <poloidal magnetic field>, $A^2=\mu_0\rho u_p^2/B_p^2$.
= Alfvén number
{c}
{title2=$A$}
An <Alfvén number> is the ratio of a flow speed to the corresponding <Alfvén speed>. For a poloidal flow parallel to a <poloidal magnetic field>, $A^2=\mu_0\rho u_p^2/B_p^2$.