Rayleigh number, gas to enclosure

Symbol
$\mathrm{Ra}_{encl}$
Formulae
$\mathrm{Gr}_{encl} \mathrm{Pr}_{gas}$
Related
$\mathrm{Gr}_{encl}$
$\mathrm{Pr}_{gas}$
Used in
$\mathrm{Nu}_{encl}$