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A linear analysis of interfacial instabilities of ferrofluids
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 Title & Authors
A linear analysis of interfacial instabilities of ferrofluids
Park, Chang-Ho; Ju, Sang-U; Lee, Sang-Chun;
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 Abstract
Surface motion of a magnetic fluid is studied by a linear stability analysis. When a thin horizontal magnetic-fluid layer is placed on a nonmagnetic substrate, with a vertical magnetic field applied, the surface of the ferrofluid layer can be severely corrugated, due to the normal-field instability. Based on conservation laws, it is shown that the normal-field instability of thin ferrofluid layers is a long-wave instability and that it is analogous to the interfacial mode of the thermocapillary instability in a thin horizontal layer heated from below.
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 Language
Korean
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