A novel subcritical transition to turbulence in Taylor–Couette flow with counter-rotating cylinders

@article{Crowley2020ANS,
  title={A novel subcritical transition to turbulence in Taylor–Couette flow with counter-rotating cylinders},
  author={Christopher J. Crowley and Michael C. Krygier and Daniel Borrero-Echeverry and Roman O. Grigoriev and Michael F. Schatz},
  journal={Journal of Fluid Mechanics},
  year={2020},
  volume={892}
}
The transition to turbulence in Taylor–Couette flow often occurs via a sequence of supercritical bifurcations to progressively more complex, yet stable, flows. We describe a subcritical laminar–turbulent transition in the counter-rotating regime mediated by a transient intermediate state in a system with an axial aspect ratio of $\unicode[STIX]{x1D6E4}=5.26$ and a radius ratio of $\unicode[STIX]{x1D702}=0.905$. In this regime, flow visualization experiments and numerical simulations indicate… 
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