Resurrecting Dead-water Phenomenon

Abstract : We revisit experimental studies performed by Ekman on dead-water using modern techniques in order to present new insights on this peculiar phenomenon. We extend its description to more general situations such as a three-layer fluid or a linearly stratified fluid in presence of a pycnocline, showing the robustness of dead-water phenomenon. We observe large amplitude nonlinear internal waves which are coupled to the boat dynamics, and we emphasize that the modeling of the wave-induced drag requires more analysis, taking into account nonlinear effects.
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Submitted on : Friday, March 4, 2011 - 10:26:45 AM
Last modification on : Monday, October 14, 2019 - 1:50:05 PM
Long-term archiving on : Sunday, June 5, 2011 - 2:41:09 AM

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  • HAL Id : ensl-00573543, version 1
  • ARXIV : 1103.0903

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Matthieu Mercier, Romain Vasseur, Thierry Dauxois. Resurrecting Dead-water Phenomenon. Nonlinear Processes in Geophysics, European Geosciences Union (EGU), 2011, 18, pp.193. ⟨ensl-00573543⟩

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