# Thermal property constant B

Constant based on thermal properties of the surrounding or adjacent materials.

Symbol
$B_{k}$
Unit
mm$^2$/s
Formulae
$\frac{C_{k2} \sqrt{\frac{\sigma_{ki}}{\rho_{ki}}}}{\sigma_{kc}}$
Related
$C_{k2}$
$\rho_{ki}$
Used in
$\epsilon_{k}$