Nusselt number, duct to air

Symbol
$\mathrm{Nu}_{da}$
Formulae
$c_{Nu,r} \left(\mathrm{Gr}_{da} \mathrm{Pr}_{gas}\right)^{n_{Nu,r}}$natural convection
$b_{Nu,r} {\mathrm{Re}_{air}}^{p_{Nu,r}} {\mathrm{Pr}_{gas}}^{0.333}$forced convection
Related
$b_{Nu,r}$
$c_{Nu,r}$
$\mathrm{Gr}_{da}$
$n_{Nu,r}$
$p_{Nu,r}$
$\mathrm{Pr}_{gas}$
$\mathrm{Re}_{air}$
Used in