Cableizer ®

Thermal resistance armour bedding 2

Cable with double layer armour applying CIGRE TB 880 Guidance Point 15

Symbol
$T_{ab,2}$
Unit
K.m/W
Formulas
$\frac{\rho_{ab,2}}{2\pi} \ln\left(\frac{D_{ab,2}}{D_{ab,2}-2t_{ab,2}}\right)$
Related
$D_{ab,2}$
Diameter over armour bedding 2 [mm]
$\pi$
Archimedes' constant $\pi$
$\rho_{ab,2}$
Thermal resistivity armour bedding 2 [K.m/W]
$t_{ab,2}$
Thickness armour bedding 2 [mm]
Used in
$T_{ab}$
Thermal resistance armour bedding [K.m/W]