Experimental observation of steady inertial wave turbulence in deep rotating flows

Ehud Yarom, Eran Sharon

Research output: Contribution to journalArticlepeer-review


The theoretical framework that should be used for describing rotating turbulence 1-3 is the subject of an active debate. It was shown experimentally 4,5 and numerically 6,7 that the formalism of 2D turbulence is useful in the description of many aspects of rotating turbulence. On the other hand, theoretical and numerical work suggests that the formalism of wave turbulence 8-10 should provide a reliable description of the entire 3D flow field 11-15 . The waves that are suggested as the basis for this turbulence are Coriolis-force-driven inertial waves1. Here we present experimental results that suggest the existence of inertial wave turbulence in deep steady rotating turbulence. Our measurements show energy transfer from the injection scale to larger scales, although the energy spectra are concentrated along the dispersion relation of inertial waves. The turbulent fields are, therefore,well described as ensembles of 3D interacting inertial waves.

Original languageAmerican English
Pages (from-to)510-514
Number of pages5
JournalNature Physics
Issue number7
StatePublished - Jul 2014

All Science Journal Classification (ASJC) codes

  • General Physics and Astronomy


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