Answers are grounded in this paper and cite their sources.
3D turbulence leads to the formation of small-scale structures. For moderate Reynolds number, helically forced flows are shown to generate large-scale instabilities. These large-scale instabilities are quantified with a new numeric model using Floquet theory.
No takes yet. Share an insight, caveat, or question.
Cameron et al. (2016) studied this question.
Synapse has enriched 10 related papers. Consider them for comparative context: