# Temperature of the surface of object at z

Temperature of the cable surface, at the point z in the cable route in the tunnel.

Symbol
$\theta_{o_{z}}$
Unit
°C
Formulae
$N_{c} N_{sys} T_{s} W_{tot} + T_{a} W_{a_{z}} + \theta_{at_{z}}$
$T_{a}$
$T_{s}$
$\theta_{at_{z}}$
$W_{a_{z}}$
$W_{tot}$
Used in
$\theta_{c_{z}}$