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Low Reynolds number developing flows

✍ Scribed by Bernard Atkinson; M. P. Brocklebank; C. C. H. Card; J. M. Smith

Publisher
American Institute of Chemical Engineers
Year
1969
Tongue
English
Weight
477 KB
Volume
15
Category
Article
ISSN
0001-1541

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✦ Synopsis

W a l e s

Equations are given that relate the entrance length to Reynolds number for pipe and channel geometries with a flat velocity profile as the initial condition. These equations are linear combinations of the creeping flow and boundary layer solutions. The former is obtained by minimization of the viscous dissipation using the finite element method. The equation for the pipe entrance is shown to be in good agreement with experimental data.

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