Cableizer ®

Air temperature without load

The meaning of this parameter depends on the calculation method:

The temperature of the air with no load depends on the object:

Symbol
$\theta_{init}$
Unit
°C
Formulas
$input$in tunnel
$\theta_{a}+\frac{\Delta \theta_{sun}}{2\left(\frac{h_{t}}{w_{t}}+1\right)}$in channel (Heinhold)
$\theta_{air}+\Delta \theta_{sun}$in air-filled trough
$\theta_{air}$in air-filled pipe with objects
Related
$\Delta \theta_{sun}$
Temperature difference solar radiation [K]
$h_{t}$
Height (inner) [m]
$\theta_{a}$
Ambient temperature [°C]
$\theta_{air}$
Ambient air temperature [°C]
$w_{t}$
Width (inner) [m]
Used in
$\Delta \theta_{0t}$
Air temperature increase [K]
$\theta_{at}$
Air temperature with load [°C]
$\theta_{at,L}$
Air temperature at outlet [°C]
$\theta_{at,z}$
Air temperature z [°C]
$\theta_{t}$
Temperature wall (inner) [°C]
$V_{air,min}$
Air velocity required to remove all heat by ventilation [m/s]