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Hydrodynamic entrance length of non-newtonian liquid films

✍ Scribed by Helge I. Andersson; Fridtjov Irgens

Publisher
Elsevier Science
Year
1990
Tongue
English
Weight
434 KB
Volume
45
Category
Article
ISSN
0009-2509

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✦ Synopsis

Accelerating laminar thin-film flow of power-law fluids along vertical walls is considered. The momentum integral method approach is used to predict the flow development in the hydrodynamic entrance region, and two different assumptions are employed for the streamwise velocity profile. It is demonstrated that dilatant films develop more rapidly than films of pseudoplastic fluids. The entrance length predictions compare favourably with experimental data for Newtonian films.

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