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Please use this identifier to cite or link to this item: http://dspace.mediu.edu.my:8181/xmlui/handle/123456789/3254
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dc.creatorBrowaeys J.-
dc.creatorPerzynski R.-
dc.creatorBacri J.-C.-
dc.creatorShliomis M. I.-
dc.date2001-
dc.date.accessioned2013-05-30T01:07:48Z-
dc.date.available2013-05-30T01:07:48Z-
dc.date.issued2013-05-30-
dc.identifierhttp://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-97332001000300016-
dc.identifierhttp://www.doaj.org/doaj?func=openurl&genre=article&issn=01039733&date=2001&volume=31&issue=3&spage=441-
dc.identifier.urihttp://koha.mediu.edu.my:8181/jspui/handle/123456789/3254-
dc.descriptionWe present here the experimental determination of the dispersion relation of surface waves of a ferrofluid submitted to a steady vertical magnetic field. The results are compared to a linear theory where all the magnetic characteristics of the fluid have been taken into account. The knowledge of the dispersion equation is then used to analyse the capillary-wave resistance, that is the drag force associated to the emission of waves by a moving disturbance at a free fluid surface. It undergoes a transition from zero to a finite value as the speed of the disturbance reaches a certain critical value. The effect of viscosity is explored, and a magnetic fluid is shown to allow controlling the critical speeds. Contrary to the theoretical model, however, the measured wave resistance reveals a non monotonic speed dependence after the threshold.-
dc.publisherSociedade Brasileira de Física-
dc.sourceBrazilian Journal of Physics-
dc.titleSurface waves and wave resistance in magnetic fluids-
Appears in Collections:Physics and Astronomy

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