# Parameter $\xi$ for calculation of loss factor

Used for flat and rectangular formation, not transposed.

Symbol
$\xi_X$
Formulae
 $\frac{2R_e P_X Q_X X_m}{\sqrt{3} \left({R_e}^2+{P_X}^2\right) \left({R_e}^2+{Q_X}^2\right)}$ $\xi_{{X_1}}$ $\frac{0.25{Q_X}^2}{{R_e}^2+{Q_X}^2}$ $\xi_{{X_2}}$ $\frac{0.75{P_X}^2}{{R_e}^2+{P_X}^2}$ $\xi_{{X_3}}$