The characterisitc diameter $D_x_w$ is the location at which the effect of the yearly loss factor commences.

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

Symbol
$D_{\mathrm{x_{\mathrm{y}}}}$
Unit
mm
Formulae
$D_{\mathrm{e}} e^{\frac{2000}{D_{\mathrm{e}} q_{\mathrm{x}}} \operatorname{abs}{\left (\frac{\operatorname{k_{0}}{\left (\frac{D_{\mathrm{e}} q_{\mathrm{x}}}{2000} \right )}}{\operatorname{k_{1}}{\left (\frac{D_{\mathrm{e}} q_{\mathrm{x}}}{2000} \right )}} \right )}}$
Related
$D_{\mathrm{e}}$
Used in
$T_{\mathrm{4y}}$