Competition between Traveling Fluid Waves of Left and Right Spiral Vortices and Their Different Amplitude Combinations

Details Competition between Traveling Fluid Waves of Left and Right Spiral Vortices and Their Different Amplitude Combinations Competition between Traveling Fluid Waves of Left and Right Spiral Vortices and Their Different Amplitude Combinations

2005-12-22

arxiv.org/abs/physics/0512215v3

Phys. Rev. Lett. 96, 044506 (2006).

Physics

Fluid Dynamics

4 pages, 5 figures

Scientific paper

10.1103/PhysRevLett.96.044506

Stability, bifurcation properties, and the spatiotemporal behavior of different nonlinear combination structures of spiral vortices in the counter rotating Taylor-Couette system are investigated by full numerical simulations and by coupled amplitude equation approximations. Stable cross-spiral structures with continuously varying content of left and right spiral modes are found. They provide a stability transferring connection between the initially stable, axially counter propagating wave states of pure spirals and the axially standing waves of so-called ribbons that become stable slightly further away from onset of vortex flow.

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