Johnson, ER;
Llewellyn Smith, SG;
(2016)
On the slow motion of a spheroid in a rotating stratified fluid.
Journal of Fluid Mechanics
, 808
, Article R4. 10.1017/jfm.2016.667.
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Abstract
We consider the slow motion generated when a body is set into motion relative to an incompressible, inviscid, non-diffusive rotating stratified fluid, showing that there is generated in general a topographic Rossby wave which leads to non-decaying fluctuations in the lift on the obstacle and a fluctuating non-zero drag. The problem is relevant to the flow patterns and forces excited when slow oceanic flows cross bottom topography and suggests a mechanism for slow fluctuations observed in laboratory experiments.
| Type: | Article |
|---|---|
| Title: | On the slow motion of a spheroid in a rotating stratified fluid |
| Open access status: | An open access version is available from UCL Discovery |
| DOI: | 10.1017/jfm.2016.667 |
| Publisher version: | https://doi.org/10.1017/jfm.2016.667 |
| Language: | English |
| Additional information: | This version is the author accepted manuscript. For information on re-use, please refer to the publisher’s terms and conditions. |
| Keywords: | rotating flows, stratified flows, topographic effects |
| UCL classification: | UCL UCL > Provost and Vice Provost Offices > UCL BEAMS UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Maths and Physical Sciences UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Maths and Physical Sciences > Dept of Mathematics |
| URI: | https://discovery.ucl.ac.uk/id/eprint/1521999 |
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