Resonant Triad Instability in Stratified Fluids

Abstract : Internal gravity waves contribute to fluid mixing and energy transport, not only in oceans but also in the atmosphere and in astrophysical bodies. We provide here the first experimental measurement of the growth rate of a resonant triad instability (also called parametric subharmonic instability) transferring energy to smaller scales where it is dissipated. We make careful and quantitative comparisons with theoretical predictions for propagating vertical modes in laboratory experiments.
Complete list of metadatas

Cited literature [17 references]  Display  Hide  Download

https://hal-ens-lyon.archives-ouvertes.fr/ensl-00616454
Contributor : Sylvain Joubaud <>
Submitted on : Thursday, April 26, 2012 - 9:30:04 PM
Last modification on : Thursday, November 21, 2019 - 2:33:52 AM
Long-term archiving on : Friday, July 27, 2012 - 2:41:34 AM

Files

PSI_letters_v2.pdf
Files produced by the author(s)

Identifiers

Collections

Citation

Sylvain Joubaud, James Munroe, Philippe Odier, Thierry Dauxois. Resonant Triad Instability in Stratified Fluids. Physics of Fluids, American Institute of Physics, 2012, 24, pp.041703. ⟨10.1063/1.4706183⟩. ⟨ensl-00616454v2⟩

Share

Metrics

Record views

143

Files downloads

117