Dynamic polarizability of rotating particles in electrorheological fluids.

作者: JJ Xiao , JP Huang , KW Yu , None

DOI: 10.1021/JP8008223

关键词:

摘要: A rotating particle in electrorheological (ER) fluid leads to a displacement of its polarization charges on the surface which relax toward external applied field E0, resulting steady-state at an angle with respect E0. This dynamic effect has shown affect ER properties dramatically. In this paper, we develop effective medium theory (EMT) for system containing particles finite volume fraction. is generalization established EMT account interactions between many particles. While valid three dimensions, results special two-dimensional configuration show that exhibits off-diagonal response addition diagonal response, resembles classic Hall effect. The monotonically decreases increasing rotational speed, whereas maximum reduced angular velocity ω0, compared the...

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