Stability of density-stratified viscous Taylor-Couette flows

@inproceedings{Shalybkov2005StabilityOD,
  title={Stability of density-stratified viscous Taylor-Couette flows},
  author={D. A. Shalybkov and Guenther Ruediger},
  year={2005}
}
The stability of density-stratified viscous Taylor-Couette flows is considered using the Boussinesq approximation but without any use of the short-wave approximation. The flows which are unstable after the Rayleigh criterion (μ̂ < η̂, with μ̂ = Ωout/Ωin and η̂ = Rin/Rout) now develop overstable axisymmetric Taylor vortices. For the considered wide-gap container we find the nonaxisymmetric modes as the most unstable ones. The nonaxisymmetric modes are unstable also beyond the Rayleigh line. For… CONTINUE READING

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