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Periodically Forced Ferrofluid Pendulum: Effect of Polydispersity
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A. Leschhorn
Veröffentlicht/Copyright:
25. September 2009
Summary
We investigate a torsional pendulum containing a ferrofluid that is forced periodically to undergo small-amplitude oscillations. A homogeneous magnetic field is applied perpendicular to the pendulum axis. We give an analytical formula for the ferrofluid-induced “selfenergy” in the pendulum’s dynamic response function for monodisperse as well as for polydisperse ferrofluids.
Received: 2005-9-6
Accepted: 2005-10-20
Published Online: 2009-9-25
Published in Print: 2006-1-1
© by Oldenbourg Wissenschaftsverlag, München
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Artikel in diesem Heft
- Preface. 88th International Bunsen Discussion Meeting – 6th German Ferrofluid Workshop: “Magnetic Colloidal Fluids: Preparation, Characterization, Physical Properties and Applications”
- Air-stable Co-, Fe-, and Fe/Co-Nanoparticles and Ferrofluids
- Magnetic Polymer Brushes: Towards Tailor-Made Stabilization of Magnetic Fluids by Surface-Initiated Polymerization
- Precipitated Iron Oxide Particles by Cyclic Growth
- Production and Characterisation of Ferromagnetic Nanoscale Metal Powders Produced by Laser Evaporation
- Dependence of Brownian Relaxation on the Volume Fraction and an External Field
- NMR-Characterization of Magnetic Fluids
- Periodically Forced Ferrofluid Pendulum: Effect of Polydispersity
- Surface Waves and Rosensweig Instability in Isotropic Ferrogels
- Polydispersity Influence upon Magnetic Properties of Aggregated Ferrofluids
- Magnetic Fluid Layer on a Cylinder in a Traveling Magnetic Field
- The Carboxymethyl Dextran Shell is an Important Modulator of Magnetic Nanoparticle Uptake in Human Cells
- A Successful Strategy for the Production of Cationic Magnetoliposomes
