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Evanescent inertial waves

delete2021-05-11
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OA
AI
Ž
Žiga Nosan
F
Fabian Burmann *
P
P. A. Davidson
J
Jérõme Noir
DOI:10.1017/jfm.2021.343delete
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摘要

摘要

En 中文
We investigate evanescent inertial waves, both theoretically and experimentally, in a fluid subject to a background rotation of . We predict that there is a smooth transition from conventional inertial waves to evanescent disturbances at a frequency of , and that at this cross-over frequency the evanescent disturbances are spatially extensive, having a horizontal extent which is limited only by viscosity, or by the size of the domain. These findings are confirmed by our experiments, which, to the best of our knowledge, represent the first quantitative experimental investigation of evanescent inertial waves.
Keyword:
rotating flows
waves in rotating fluids

期刊

Journal of Fluid Mechanics 封面图
Journal of Fluid Mechanics
IF:
3.9
论文数:
2.0W
被引数:
9.4W

机构

E
ETH Zurich
学者数:
3.0W
论文数: 2.4W
被引数: 8.4W
S
swiss federal institutes of technology domain
学者数:
9.0W
论文数: 8.0W
被引数: 163
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