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The phase configuration of internal waves around a body moving in a density stratified fluid

Published online by Cambridge University Press:  29 March 2006

T. N. Stevenson
T. N. Stevenson
Affiliation:
Department of the Mechanics of Fluids, University of Manchester
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Abstract

A body is started impulsively from rest and moves in a curved path in a stably stratified fluid. The phase configuration of the internal waves which are generated is studied using small amplitude wave theory. The theory is compared with experiment for a few special cases which include a horizontal cylinder moving in a circular path in a vertical plane, oscillating through a large amplitude in a horizontal plane, and moving with constant velocity past stationary plates. Theory and experiment show reasonable agreement except where the waves produced by the wake dominate the flow.

Type
Research Article
Information
Journal of Fluid Mechanics , Volume 60 , Issue 4 , 9 October 1973 , pp. 759 - 767
Copyright
© 1973 Cambridge University Press

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References

Gordon, D. & Stevenson, T. N. 1972 J. Fluid Mech. 56, 629.
Lighthill, M. J. 1967 J. Fluid Mech. 27, 725.
Mowbray, D. E. & Rarity, B. S. H. 1967a J. Fluid Mech. 28, 1.
Mowbray, D. E. & Rarity, B. S. H. 1967b J. Fluid Mech. 30, 489.
Rarity, B. S. H. 1967 J. Fluid Mech. 30, 329.
Stevenson, T. N. 1969 J. Fluid Mech. 35, 219.
Stevenson, T. N. & Thomas, N. H. 1969 J. Fluid Mech. 36, 505.
Thomas, N. H. & Stevenson, T. N. 1972 J. Fluid Mech. 54, 495.