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Coaxial-disk flow and flow about a rotating disk of a Maxwellian fluid

Published online by Cambridge University Press:  20 April 2006

N. Phan-Thien
N. Phan-Thien
Affiliation:
Department of Mechanical Engineering, University of Sydney, N.S.W. 2006. Australia Present address: Department of Chemical Engineering, Caltech, Pasadena, CA 91125.
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Abstract

The flows of a Maxwellian fluid between two rotating coaxial disks and about a rotating disk are discussed. Asymptotic solutions are derived and numerical solutions are reported for a Weissenberg number up to 10 and a Reynolds number of up to 50. The solutions show transverse wave propagation. Also, at low Weissenberg number the moment coefficient for a rotating disk wetted on both sides is inversely proportional to the square root of the angular velocity of the disk. At high Weissenberg number it is inversely proportional to the angular velocity of the disk. The transition occurs at a Weissenberg number of unity.

Type
Research Article
Information
Journal of Fluid Mechanics , Volume 128 , March 1983 , pp. 427 - 442
Copyright
© 1983 Cambridge University Press

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