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Developing and fully developed velocity profiles for inelastic power law fluids in an annulus

✍ Scribed by Carlos Tiu; Satinath Bhattacharyya

Publisher
American Institute of Chemical Engineers
Year
1974
Tongue
English
Weight
544 KB
Volume
20
Category
Article
ISSN
0001-1541

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✦ Synopsis

Abstract

Developing and fully developed velocity profiles with respect to position for laminar flow of inelastic fluids in an annulus were measured using streak photography. The polymer solutions used in the investigation were found to exhibit power law behavior under the present experimental conditions. The experimental results substantiated published theoretical solutions for developing and fully developed flow of power‐law fluids in annuli, and also indicated good agreement between the measured and predicted entrance lengths. The dimensionless entrance length was found to increase with increasing flow behavior index for the inelastic power‐law fluids.

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