# Air velocity required to remove all heat by ventilation

This is the minimal velocity of the air inside the tunnel in order to remove all generated heat by ventilation.

Symbol
$V_{air,min}$
Unit
m/s
Formulae
$\frac{W_{sum} L_T}{C_{vair} A_t \left(\theta_{at,max}-\theta_{at,0}\right)}$
Related
$A_t$
$C_{vair}$
$L_T$
$\theta_{at,0}$
$\theta_{at,max}$
$W_{sum}$