Thermal resistance of the separation material between the first and second armour layer.

Symbol
$T_{\mathrm{2_{\mathrm{2}}}}$
Unit
K.m/W
Formulae
$\frac{\rho_{\mathrm{ab_{\mathrm{2}}}}}{2 \pi} \ln{\left (1 + \frac{2 t_{\mathrm{ab_{\mathrm{2}}}}}{D_{\mathrm{a_{\mathrm{1}}}}} \right )}$
Related
$D_{\mathrm{a_{\mathrm{1}}}}$
$\rho_{\mathrm{ab_{\mathrm{2}}}}$
$t_{\mathrm{ab_{\mathrm{2}}}}$
Used in
$Q_{\mathrm{B_{\mathrm{ab2}}}}$