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Regensburg 2019 – wissenschaftliches Programm

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DY: Fachverband Dynamik und Statistische Physik

DY 54: Poster: Complex, Fluids, Glasses, Granular

DY 54.6: Poster

Donnerstag, 4. April 2019, 15:00–18:00, Poster B2

The Quest for Spontaneous Core Rotation in Ferrofluid Pipe Flow — •Max Fabian Steudel, Ingo Rehberg, and Reinhard Richter — Experimentalphysik 5, Universität Bayreuth, Bayreuth, Germany

Ferrofluidic pipe flow in a constant [1] or alternating [2] axial magnetic field has attracted much interest because the flow can conveniently be controlled by the parameters of the applied field. More recently, for a flow in a static field, a transition from a purely axial flow to a steady swirling one has been unveiled in analytical and numerical studies [3]. The swirl appearance is predicted to yield a sharp increase of the flow rate [3]. To uncover this transition we measure the flow rate of different types of ferrofluid as a function of the applied magnetic field.

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