Cableizer

Heat transfer coefficient radiation cable pack—tray

Symbol
$h_{rad,CT}$
Unit
W/(K.m$^2$)
Formulas
$\frac{\sigma K_{r} \left(\left(\theta_{e}+\theta_{abs}\right)^4-\left(\theta_{tw,it}+\theta_{abs}\right)^4\right)}{\theta_{e}+\theta_{abs}-\theta_{tw,it}+\theta_{abs}}$
Related
$K_{r}$
Radiation shape factor
$\sigma$
Stefan Boltzmann constant [W/m$^2$K$^4$]
$\theta_{abs}$
Absolute temperature [K]
$\theta_{e}$
External temperature object [°C]
$\theta_{tw,it}$
Temperature tray wall (inner) top cover [°C]
Used in
$T_{rad,CT}$
Thermal resistance radiation cable pack—tray top [K.m/W]