Biot number of the ground

Symbol
$\mathrm{Bi}_{g}$
Formulae
$\frac{D_{ext} h_{amb}}{2 k_{4}}$Ovuworie
$\frac{D_{ref} h_{amb}}{2 k_{4}}$OTC 23033
Related
$D_{ext}$
Used in
$h_{buried}$