dorsal/arxiv
View SchemaFluid pumped by magnetic stress
| Authors | Robert Krauss, Mario Liu, Bert Reimann, Reinhard Richter, Ingo Rehberg |
|---|---|
| Categories | |
| ArXiv ID | physics/0405025 |
| URL | https://arxiv.org/abs/physics/0405025 |
| DOI | 10.1063/1.1846956 |
| Journal | Applied Physics Letters 86, 024102 (2005) |
Abstract
A magnetic field rotating on the free surface of a ferrofluid layer is shown to induce considerable fluid motion toward the direction the field is rolling. The measured flow velocity i) increases with the square of the magnetic field amplitude, ii) is proportional to the thickness of the fluid layer, and iii) has a maximum at a driving frequency of about 3 kHz. The pumping speed can be estimated with a two-dimensional flow model.
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"abstract": "A magnetic field rotating on the free surface of a ferrofluid layer is shown\nto induce considerable fluid motion toward the direction the field is rolling.\nThe measured flow velocity i) increases with the square of the magnetic field\namplitude, ii) is proportional to the thickness of the fluid layer, and iii)\nhas a maximum at a driving frequency of about 3 kHz. The pumping speed can be\nestimated with a two-dimensional flow model.",
"arxiv_id": "physics/0405025",
"authors": [
"Robert Krauss",
"Mario Liu",
"Bert Reimann",
"Reinhard Richter",
"Ingo Rehberg"
],
"categories": [
"physics.flu-dyn"
],
"doi": "10.1063/1.1846956",
"journal_ref": "Applied Physics Letters 86, 024102 (2005)",
"title": "Fluid pumped by magnetic stress",
"url": "https://arxiv.org/abs/physics/0405025"
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