# Factor G for the calculation of the Nusselt number

Symbol
$G_{encl}$
Formulae
$\left(\left(1+\frac{0.6}{{\mathrm{Pr}_{gas}}^{0.7}}\right)^{-5}+\left(0.4+2.6{\mathrm{Pr}_{gas}}^{0.7}\right)^{-5}\right)^{\frac{-1}{5}}$
Related
$\mathrm{Pr}_{gas}$
Used in