T	temperature	°C	r, $\mathsf{\phi }$, z	cylindrical coordinates	m
Q	volumetric heat source	$\mathrm{W}/{\mathrm{m}}^3$	t	time coordinate	s
H	latent heat	J/kg	$\Delta \mathrm{z}/\Delta \mathrm{r}$	spatial step in z/r-direction	m
L	Lorenz constant	[-]	$\Delta \mathrm{t}$	time step	s
${\mathrm{c}}_{\mathrm{p}}$	specific heat	J/(kg·K)	i/j	radial/axial index	[-]
$\mathsf{\Phi }$	electric potential	V	n	time and iteration index	[-]
$\mathsf{\alpha }$	thermal expansion factor	${\mathrm{K}}^{-1}$
$\mathsf{\lambda }$	thermal conductivity	W/(m⋅K)	$\nabla$	Nabla-operator
$\mathsf{\mu }$	Fourier number	[-]	$\mathsf{\delta }(\cdot )$	1st derivative difference operator
$\mathsf{\rho }$	density	kg/${\mathrm{m}}^3$	$\mathsf{\delta }{(\cdot )}^2$	2nd derivative difference operator
$\mathsf{\sigma }$	specific electric resistance	$\mathsf{\mu }\mathsf{\Omega }\mathrm{m}$