Bejan Number - Heat Transfer
Bejan number - heat transfer, abbreviated as Be, a dimensionless number, is the pressure drop along a channel of length.
Bejan Number - Heat Transfer formula
\(\large{ Be = \frac{ \Delta p \; l^2 }{ \mu \; \alpha } }\) |
Where:
\(\large{ Be }\) = Bejan number
\(\large{ l }\) = channel of length
\(\large{ \mu }\) (Greek symbol mu) = dynamic viscosity
\(\large{ \Delta p }\) = pressure drop
\(\large{ \alpha }\) (Greek symbol alpha) = thermal diffusivity (heat transfer rate)