๐”– Bobbio Scriptorium
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Axial dispersion in laminar flow of polymer solutions through coiled tubes

โœ Scribed by Alok K. Saxena; K. D. P. Nigam


Publisher
John Wiley and Sons
Year
1981
Tongue
English
Weight
570 KB
Volume
26
Category
Article
ISSN
0021-8995

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## Abstract Laminar flow in helically coiled tubes is treated numerically. Fully developed axial and secondary velocities are calculated for both circular and elliptical cross sections. Only closely wrapped helices, that is, helices with modest pitch, are considered. Ten solutions with Deans number

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## Abstract Numerical solution of steady laminar flow in helically coiled tubes of square cross section for Dean numbers from 0.8 to 307.8 reveal two regimes of secondary flow. Up to Dean number of 100, the expected secondary flow pattern appears with twin counterrotating vortices. Above Dean numbe

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