# Radiation thermal resistance, object to duct

Thermal resistance for radiation from cable outer surface to inner duct wall using the Stefan-Boltzmann law.

Symbol
$T_{rad,od}$
Unit
K.m/W
Formulae
$\frac{W_{rad,od}}{\theta_e-\theta_{di}}$
Related
$\theta_{di}$
$\theta_e$
$W_{rad,od}$