Bifurcation phenomena in nonaxisymmetric Taylor-Couette flow
Journal Article
·
· Physical Review A. General Physics; (United States)
- Department of Physics, University of Oregon, Eugene, Oregon 97403 (United States)
Taylor-Couette flow subject to a nonaxisymmetric external Coriolis force is studied experimentally. The Coriolis force is induced by placing the Taylor-Couette apparatus on a turntable such that the flow is nonaxisymmetrically perturbed. This symmetry-breaking perturbation affects the entire sequence of bifurcations found in the unperturbed system. We identify the dynamical regimes encountered as a function of two control parameters: a Reynolds number and a dimensionless turntable rotation rate. The bifurcation map for this system is presented, and we show that there is nonhysteretic reemergent order as a function of either control parameter. We also find a possible codimension-2 bifurcation point beyond which occurs a nonhysteretic direct bifurcation to turbulence from the time-independent base flow.
- OSTI ID:
- 6890702
- Journal Information:
- Physical Review A. General Physics; (United States), Journal Name: Physical Review A. General Physics; (United States) Vol. 46:12; ISSN PLRAAN; ISSN 1050-2947
- Country of Publication:
- United States
- Language:
- English
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