Peclet number

There are various definitions of the Péclet number. The most typical are as follows:

Pe = l * v / α

Pe = l * v * ρ * c_p / λ

Pe = l² * ρ * c_p / λ / t

Pe = Re * Pr

With:

• α - Thermal diffusivity
• λ - Thermal conductivity
• ρ - Density
• c_p - Heat capacity
• l - Characteristic length
• t - Characteristic time
• v - Velocity

It named after Jean Claude Eugene Peclet (1793-1857)

Referenced By