On the possibility of pumping a suspension of magnetic particles by means of a moving magnetic field
- 1 October 1986
- journal article
- Published by IOP Publishing in Journal of Physics D: Applied Physics
- Vol. 19 (10) , L211-L216
- https://doi.org/10.1088/0022-3727/19/10/005
Abstract
An explanation is given for the observation by others that when a ferrofluid is subjected to a rotating magnetic field, the bulk of the fluid rotates in the direction opposite to that of the field. It is shown that the motion can be made to proceed linearly under the influence of a magnetic field, moving as a wave along a tube containing the fluid, and a prototype-device has been constructed. A theory for this type of motion is presented.Keywords
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