Radiation heat transfer from conductor surface to inner wall of the GIL enclosure.

Symbol
$W_{\mathrm{rad_{\mathrm{sa}}}}$
Unit
W/m
Formulae
 $D_{\mathrm{o}} K_{\mathrm{r}} \pi \sigma \left(- \left(\theta_{\mathrm{a}} + 273\right)^{4} + \left(\theta_{\mathrm{e}} + 273\right)^{4}\right)$ cover to air, by Stefan–Boltzmann law $D_{\mathrm{o}} h_{\mathrm{rad_{\mathrm{sa}}}} \pi \left(- \theta_{\mathrm{a}} + \theta_{\mathrm{e}}\right)$ cover to air, using heat transfer coefficient
Related
$D_{\mathrm{o}}$
$h_{\mathrm{rad_{\mathrm{sa}}}}$
$K_{\mathrm{r}}$
$\pi$
$\sigma$
$\theta_{\mathrm{a}}$
$\theta_{\mathrm{e}}$
Used in
$T_{\mathrm{rad_{\mathrm{sa}}}}$