# Characteristic diameter for weekly load

The characteristic diameter $D_{x_w}$ is the location at which the effect of the weekly loss factor commences.

For more information, refer to the characteristic diameter $D_x$.

Symbol
$D_{x,w}$
Unit
mm
Formulae
$D_e e^{\frac{1}{\frac{q_x D_e}{2000}} |\frac{\operatorname{k0}\left(\frac{q_x D_e}{2000}\right)}{\operatorname{k1}\left(\frac{q_x D_e}{2000}\right)}|}$
Related
Used in
$T_{4w}$