Peclet Number

Peclet number is proportional to { (bulk heat transfer) / (conductive heat transfer) } and is used in heat transfer in general and forced convection calculations in particular. It is equivalent to (Re.Pr). It is normally defined in one of the following forms :

 

Peclet Number

or

Peclet Number

or

Peclet Number

 

Where:

alpha

=

Thermal diffusivity

Cp

=

Heat capacity

D

=

Characteristic length

G

=

Mass velocity

k

=

Thermal Conductivity

rho

=

Density

V

=

Velocity

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