The analysis of the film of a turbulent mixing layer shows evidence of highly bent spanwise vorticity filaments within the large coherent structures (bending that produces streamwise vorticity and thence three-dimensionality), likely becaue of a certain type of columnar instability of those structures.
No takes yet. Share an insight, caveat, or question.
Alvarez et al. (1984) studied this question.
Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context: