Rayleigh number surface-air

Symbol
$\mathrm{Ra}_{prot}$
Formulae
$\mathrm{Gr}_{prot} \mathrm{Pr}_{air}$
Related
$\mathrm{Gr}_{prot}$
$\mathrm{Pr}_{air}$
Used in
$\mathrm{Nu}_{prot}$