Bulletin of the American Physical Society
76th Annual Meeting of the Division of Fluid Dynamics
Sunday–Tuesday, November 19–21, 2023; Washington, DC
Session S01: Poster Session & Refreshment Break IV (3:34 - 4:25 p.m.)
3:34 PM,
Monday, November 20, 2023
Room: Exhibit Hall D
Abstract: S01.00139 : Shear instability from differential rotation in precessing cylinder flow
Presenter:
Waleed Mouhali
(ECE Paris)
Authors:
Waleed Mouhali
(ECE Paris)
Thierry Lehner
(Luth, Observatoire de Paris-Meudon CNRS UMR8102S,5 Place J.Jansen 92190 Meudon, France)
In this study, we show that when ɛ is increased from low values the forced mode m =0 becomes the most instable in this induced differential rotation in relation to an extended instability criterion, which can be responsible for the observed eruptions of jets from the lateral walls of the cylinder leading to the cyclones formation within the volume from the development of an inviscid secondary shear instability.
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