# Thermal property constant A

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

Symbol
$A_{k}$
Unit
mm/s$^{1/2}$
Formulae
$\frac{C_{k1} \sqrt{\frac{\sigma_{ki}}{\rho_{ki}}}}{\sigma_{kc}}$
Related
$C_{k1}$
$\rho_{ki}$
Used in
$\epsilon_{k}$