Cableizer ®

Cross-sectional area duct wall

Symbol
$A_{d}$
Unit
mm$^2$
Formulas
$\frac{\pi}{4} \left({Do_{d}}^2-{Di_{d}}^2\right)$
Related
$Di_{d}$
Inner diameter duct [mm]
$Do_{d}$
Outer diameter duct [mm]
$\pi$
Archimedes' constant $\pi$
Used in
$Q_{d}$
Thermal capacitance duct wall [J/(m.K)]