The Influence of Particle Diffusion on Couette–Taylor Instability of a Radially Magnetized Ferrofluid

✍ Scribed by Peter J. Stiles; Michael Kagan

• Publisher: Elsevier Science
• Year: 1996
• Tongue: English
• Weight: 116 KB
• Volume: 179
• Category: Article
• ISSN: 0021-9797
• DOI: 10.1006/jcis.1996.0258

✦ Synopsis

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(1 0 rV) (1 0 c) £ 2 w r rP ͬͮ [1] diamagnetic liquid. Both the critical Taylor number and the critical wavenumber increase as the magnetic field strength increases. A remarkable feature is that the neutral curves for this long time when interactions between colloidal particles and Coriolis forces are nescale Couette-Taylor instability are double valued. ᭧ 1996 Academic glected. Here r is the density of the suspension, D the translational diffusion Press, Inc. coefficient of the colloidal particles, c their local mass fraction, M their Key Words: ferrofluids; Couette-Taylor instability; particle difmolar mass, V their partial specific volume, R the universal gas constant, fusion; magnetodiffusion; ferrofluid seals. T the temperature, m 0 the permittivity of free space, H the local radial magnetic field, M the local magnetization, £ w the local component of the barycentric velocity field of the Couette flow in the azimuthal direction, and r the radial coordinate. For the basic Couette flow the radial component