Bejan Number - Fluid Mechanics
Bejan number - fluid mechanics, abbreviated as Be, a dimensionless number, is the pressure drop along a length of channel.
Bejan Number - Fluid Mechanics formula
\(\large{ Be = \frac{ \Delta p \; l^2 }{ \mu \; \nu } }\) |
Where:
\(\large{ Be }\) = Bejan number
\(\large{ \mu }\) (Greek symbol mu) = dynamic viscosity
\(\large{ l }\) = length of channel
\(\large{ \nu }\) (Greek symbol nu) = momentum diffusivity (kinematic viscosity)
\(\large{ \Delta p }\) = pressure drop