標題: Magnetically induced spreading and pattern selection in thin ferrofluid drops
作者: Chen, Ching-Yao
Wu, W. -L.
Miranda, Jose A.
機械工程學系
Department of Mechanical Engineering
公開日期: 17-Nov-2010
摘要: We report an experimental study of a fingering pattern formation which occurs during the spreading of an immiscible thin ferrofluid drop subjected to a radial magnetic field. Our results indicate that this ferrohydro-dynamic system works as a magnetic analog of conventional spin coating, where centrifugal driving is replaced with a magnetic body force induced by the radial applied field. In this context, a magnetically tunable pattern selection mechanism is proposed in which the shape and number of the arising fingered structures can be properly controlled.
URI: http://dx.doi.org/10.1103/PhysRevE.82.056321
http://hdl.handle.net/11536/150162
ISSN: 1539-3755
DOI: 10.1103/PhysRevE.82.056321
期刊: PHYSICAL REVIEW E
Volume: 82
Issue: 5
起始頁: 0
結束頁: 0
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