Experimental study of a three-dimensional cylinder–filament system

Experimental study of a three-dimensional cylinder–filament system This experimental study reports on the behavior of a filament attached to the rear of a three-dimensional cylinder. The axis of the cylinder is placed normal to a uniform incoming flow, and the filament is free to move in the cylinder wake. The mean position of the filament is studied as a function of the filament length L. It is found that for long (L/D  $$>$$ >  6.5, where D is the cylinder diameter) and short (L/D  $$<$$ <  2) filaments, the mean position of the filament tends to align with the incoming flow, whereas for intermediate filament lengths (2  $$<$$ <  L/D  $$<$$ <  6.5), the filament lies down on the cylinder and tends to align with the cylinder axis. The underlying mechanism of the bifurcations is discussed and related to buckling and inverted-pendulum-like instabilities. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Experiments in Fluids Springer Journals

Experimental study of a three-dimensional cylinder–filament system

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Springer Berlin Heidelberg
Copyright © 2015 by Springer-Verlag Berlin Heidelberg
Engineering; Engineering Fluid Dynamics; Fluid- and Aerodynamics; Engineering Thermodynamics, Heat and Mass Transfer
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