Thermal resistance of 2nd armour bedding

Symbol
$T_{ab_{2}}$
Unit
K.m/W
Formulae
$\frac{\rho_{ab_{2}} \ln{\left(\frac{D_{a_{1}}}{D_{ab_{2}}} \right)}}{2 \pi}$
Related
$D_{a_{1}}$
Used in
$R_{c3}$