Factor $C$ (Mie1905)

Factor $C_{Mie}$ for the calculation of the geometric factor for multi-core cables according to Gustav Mie, 'Das Problem der Wärmeleitung in einem verseilten electrischen Kabel', 1905.

Symbol
$C_{Mie}$
Formulae
$\frac{1-\alpha_p \beta_p+\sqrt{\left(1-{\alpha_p}^2\right) \left(1-{\beta_p}^2\right)}}{\alpha_p-\beta_p}$IEC 60287-2-1
$\frac{p_{Mie}-\alpha_p}{\alpha_p p_{Mie}-1}$Mie1905