NDLI: Structure and stability of the interface in a magnetizable fluid

Content Provider	Springer Nature Link
Author	Zhukov, A. V.
Copyright Year	2012
Abstract	The problems of interface stability in magnetizable and polarizable fluids are considered in the case of the surface tension tensor dependent on the electromagnetic field strength. For describing this dependence the model proposed by A.N. Golubyatnikov (1986) is used. The investigation of the internal interface structure showed that for single-component systems, as a rule, the dependence of the surface tension on the field strength corresponds to surface phase properties paramagnetic in the normal and diamagnetic in the tangential direction. It is shown that within the framework of the model adopted the thermodynamic stability of the surface depends on the thickness of the interphase layer. Necessary stability conditions are obtained for plane interfaces in media with a constant magnetic permeability outside the interphase layer. The problem of stability of the horizontal free surface of an ideal magnetic field in an external magnetic field (similar to the problem of stability of the horizontal interface of two polarizable fluids in an external electric field) is solved for an arbitrary orientation of the external field relative to the interface. The stability loss is now accompanied by qualitative effects absent in the case of the surface tension tensor independent of the electromagnetic field strength.
Starting Page	564
Ending Page	574
Page Count	11
File Format	PDF
ISSN	00154628
Journal	Fluid Dynamics
Volume Number	47
Issue Number	5
e-ISSN	15738507
Language	English
Publisher	SP MAIK Nauka/Interperiodica
Publisher Date	2012-10-25
Publisher Place	Dordrecht
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	magnetic fluids stability of a free surface surface tension interface structure Engineering Fluid Dynamics Mechanics Fluid- and Aerodynamics Classical Continuum Physics
Content Type	Text
Resource Type	Article
Subject	Fluid Flow and Transfer Processes Physics and Astronomy Mechanical Engineering

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