Péclet number

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Péclet number

A nondimensional number arising in problems of heat transfer in fluids.

It is the ratio of heat advection to heat diffusion and may be written
ams2001glos-Pe7
where U is a characteristic velocity, L a characteristic length, and K the thermometric conductivity. Also,
ams2001glos-Pe8
the product of the Reynolds number and Prandtl number.

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