Star thermal resistance of tunnel

Symbol
$T_{t}$
Unit
K.m/W
Formulae
$\frac{T_{at} T_{st}}{N_{c} N_{sys} \left(T_{at} + \frac{T_{sa}}{N_{c} N_{sys}} + \frac{T_{st}}{N_{c} N_{sys}}\right)}$
Used in
$\Delta \theta_{0t}$
$\theta_{at_{L}}$
$\theta_{at_{z}}$
$\theta_{t_{L}}$
$\theta_{t_{z}}$
$W_{a_{z}}$