Chemical and Biomolecular Engineering Research and Publications

 

Date of this Version

January 1990

Comments

This article was published in the "South African Journal of Chemical Engineering" Vol 2, No 1, 1990 pp 1-9. This material was copyrighted by © SAICHE 1990. For more details please visit the publisher site www.saiche.co.za

Abstract

The stability of laminar flow between concentric cylinders is analyzed. Conhinrd Poiseuille and Couette flows are considered. It is shown that instabilities exist if the laminar flow is synnetric or near-spaetric on part of the annulus. Instabilities are reported for aspect ratios as small as q = 0.001.

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