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Axial dispersion in a channel with oscillating walls

Published online by Cambridge University Press:  26 April 2006

P. E. Hydon  and
T. J. Pedley
P. E. Hydon
Affiliation:
Department of Applied Mathematical Studies, University of Leeds, Leeds LS2 9JT, UK
T. J. Pedley
Affiliation:
Department of Applied Mathematical Studies, University of Leeds, Leeds LS2 9JT, UK
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Abstract

An analysis is made of solute transport through a fluid within a long, but finite, channel or pipe whose walls remain parallel but oscillate transversely. When the fluid is viscous, the wall motion causes steady Streaming. Axial dispersion of solute is calculated over a wide parameter range, and mean longitudinal transport is found to be greatly enhanced when the steady-streaming Reynolds number is much greater than unity. The results are applied to low-volume high-frequency Ventilation of the human lung.

Type
Research Article
Information
Journal of Fluid Mechanics , Volume 249 , April 1993 , pp. 535 - 555
Copyright
© 1993 Cambridge University Press

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