Temperature of 1st armour layer

Symbol
$\theta_{ar_{1}}$
Unit
$^{\circ}$C
Formulae
$- T_{1} \left(W_{c} + \frac{W_{d}}{2}\right) - T_{2_{1}} n_{c} \left(W_{c} \left(\lambda_{1} + 1\right) + W_{d}\right) + \theta_{c}$
$\theta_{c}$
$W_{c}$
$W_{d}$
Used in
$R_{A_{1}}$
$\theta_{ar}$
Temperature of armour [$^{\circ}$C]