Cross-sectional area skid wires

Skid wires are considered to have the shape of a half circle with a radius of $t_{sw}$ and two wires are assumed to be present, offset by 180°.

Symbol
$A_{sw}$
Unit
mm$^2$
Formulas
$n_{sw} \frac{\pi}{2} {t_{sw}}^2$
Used in
$m_{sw}$