View factor object-object

Radiation view factor coefficient for radiation thermal resistance calculation from one cable to another.

Symbol
$F_{ij}$
Formulae
$\frac{1}{2\pi} \left(\pi+\sqrt{{c_{ij}}^2-\left(r_{ij}+1\right)^2}-\sqrt{{c_{ij}}^2-\left(r_{ij}-1\right)^2}+\left(r_{ij}-1\right) \arccos\left(\frac{r_{ij}-1}{c_{ij}}\right)-\left(r_{ij}+1\right) \arccos\left(\frac{r_{ij}+1}{c_{ij}}\right)\right)$