Elastic properties of a magnetic fluid with an air cavity retained by levitation forces

The paper describes the process of an air cavity rising in a magnetic fluid filling a tube with a bottom, transport, and retention of the cavity by magnetic levitation forces. The elastic and dissipative properties of a vibratory system with an inertial element that is a column of a magnetic fluid o...

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Bibliographic Details
Published in:	Acoustical physics Vol. 59; no. 1; pp. 56 - 61
Main Authors:	Polunin, V. M., Boev, M. L., Tan, Myo Min, Karpova, G. V., Roslyakova, L. I.
Format:	Journal Article
Language:	English
Published:	Dordrecht SP MAIK Nauka/Interperiodica 2013
Subjects:	Acoustics Dissipation Elastic constants Holes Magnetic fluids Physical Acoustics Physics Physics and Astronomy Reflectors Sound waves Transport Tubes magnetic fluid vibratory system vibration attenuation coefficient elasticity of vibratory system magnetic levitation air cavity dissipation of elastic energy
Online Access:	Get full text
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Summary:	The paper describes the process of an air cavity rising in a magnetic fluid filling a tube with a bottom, transport, and retention of the cavity by magnetic levitation forces. The elastic and dissipative properties of a vibratory system with an inertial element that is a column of a magnetic fluid over an air cavity are considered. The possibility of using a transported air cavity as a movable reflector for a sound wave is evaluated.
Bibliography:	ObjectType-Article-1 SourceType-Scholarly Journals-1 ObjectType-Feature-2 content type line 23
ISSN:	1063-7710 1562-6865
DOI:	10.1134/S1063771012060127