Experiments in Fluids

, 58:143 | Cite as

An axisymmetric inertia-gravity wave generator

  • P. Maurer
  • S. J. Ghaemsaidi
  • S. Joubaud
  • T. Peacock
  • P. Odier
Research Article
First Online:
Received:
Revised:
Accepted:

Abstract

There has been a rich interplay between laboratory experimental studies of internal waves and advancing understanding of their role in the ocean and atmosphere. In this study, we present and demonstrate the concept for a new form of laboratory internal wave generator that can excite axisymmetric wave fields of arbitrary radial structure. The construction and operation of the generator are detailed, and its capabilities are demonstrated through a pair of experiments using a Bessel function and a bourrelet (i.e., ring-shaped) configuration. The results of the experiments are compared with the predictions of an accompanying analytical model.

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Notes

Acknowledgements

We thank Neil Balmforth for insightful discussions. We thank M. Moulin and D. Le Tourneau for the design and production of the wave generator and the tank. This work has been achieved thanks to the resources of PSMN from ENS de Lyon. The team in Lyon also thanks CNRS and ENS de Lyon for providing the financial support to build the rotating platform PERPET. T. P. acknowledges the support of the NSF (OCE-1357434), as well as ENS de Lyon for providing funding for his visits in Lyon.

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Copyright information

© Springer-Verlag GmbH Germany 2017

Authors and Affiliations

  1. 1.Univ Lyon, ENS de Lyon, Univ Claude Bernard, CNRSLaboratoire de PhysiqueLyonFrance
  2. 2.Massachusetts Institute of TechnologyCambridgeUSA

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