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Title: | Experimental investigation of surface instability of a thin layer of a magnetic fluid |
Authors: | Zakinyan, A. R. Закинян, А. Р. Mkrtchyan, L. S. Мкртчян, Л. С. Dikansky, Y. I. Диканский, Ю. И. |
Keywords: | Instability development time;Instability wave number;Layer breakup;Magnetic fluid;Surface instability;Tilted field |
Issue Date: | 2016 |
Publisher: | Elsevier Ltd |
Citation: | Zakinyan, A., Mkrtchyan, L., Dikansky, Y. Experimental investigation of surface instability of a thin layer of a magnetic fluid // European Journal of Mechanics, B/Fluids. - 2016. - Volume 56. - Pages 172-177 |
Series/Report no.: | European Journal of Mechanics, B/Fluids |
Abstract: | In the present work the instability of a flat horizontal thin layer of a magnetic fluid (the depth of no more than 50 μm) under the action of a uniform magnetic field is studied experimentally. It was revealed that the development of instability under the action of tilted magnetic field can lead to the formation of parallel ridges on a fluid surface; the ridges undergo a transformation into hexagonal system of conical peaks with the magnetic field increasing. The necessary conditions for the formation of these surface patterns are studied. It was found that the development of instability of quite thin layers may result in layers breakup. The dependences of instability wave number on the system physical parameters are obtained. The time for the development of instability is measured. The experimental results are compared with the existing theory and discussed |
URI: | https://www.scopus.com/record/display.uri?eid=2-s2.0-84953739580&origin=resultslist&sort=plf-f&src=s&nlo=1&nlr=20&nls=afprfnm-t&affilName=north+caucasus+federal+university&sid=d2aa4977bc151c7629049bb5e34dd8bb&sot=afnl&sdt=cl&cluster=scopubyr%2c%222016%22%2ct&sl=53&s=%28AF-ID%28%22North+Caucasus+Federal+University%22+60070541%29%29&relpos=75&citeCnt=1&searchTerm= http://hdl.handle.net/20.500.12258/3292 |
Appears in Collections: | Статьи, проиндексированные в SCOPUS, WOS |
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scopusresults 476 .pdf Restricted Access | 60.79 kB | Adobe PDF | View/Open | |
WoS 278 .pdf Restricted Access | 104 kB | Adobe PDF | View/Open |
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