Air temperature in the tunnel, at the point z in the cable route.

Symbol
$\theta_{\mathrm{at_{\mathrm{z}}}}$
Unit
°C
Formulae
$\theta_{\mathrm{at_{\mathrm{0}}}} + \left(1 - e^{- \frac{z}{L_{\mathrm{0}}}}\right) \left(N_{\mathrm{c}} N_{sys} W_{\mathrm{tot}} \left(T_{\mathrm{e}} + T_{\mathrm{t}}\right) + \theta_{\mathrm{a}} - \theta_{\mathrm{at_{\mathrm{0}}}}\right)$
Related
$L_{\mathrm{0}}$
$N_{\mathrm{c}}$
$T_{\mathrm{t}}$
$\theta_{\mathrm{a}}$
$\theta_{\mathrm{at_{\mathrm{0}}}}$
$W_{\mathrm{tot}}$
Used in
$\theta_{\mathrm{o_{\mathrm{z}}}}$
$\theta_{\mathrm{t_{\mathrm{z}}}}$
$W_{\mathrm{a_{\mathrm{z}}}}$