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A new approach to the pulsating and oscillating flows of viscoelastic liquids in channels

โœ Scribed by Ryszard Steller

Publisher
Springer-Verlag
Year
1993
Tongue
English
Weight
898 KB
Volume
32
Category
Article
ISSN
0035-4511

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โœฆ Synopsis

An approximate method for mathematical description of unsteady flows of polymeric liquids in channels generated by pulsating pressure gradient or vibrating channel wall is presented. The method is based on integration of the equation of motion and determination of the shear stresses and shear rates at channel walls, assuming the inertia effects to be suitably small. The approximate results have been compared with exact solutions using as examples the Newtonian fluid and a special form of a generalized Maxwell model. The applibility conditions of the proposed method have been extensively discussed.

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