title: Orientation dynamics of weakly Brownian particles in periodic viscous flows.
abstract: Evolution equations for the orientation distribution of axisymmetric particles in periodic flows are derived in the regime of small but nonzero Brownian rotations. The equations are based on a multiple time scale approach that allows fast computation of the relaxation processes leading to statistical equilibrium. The approach has been applied to the calculation of the effective viscosity of a thin disk suspension in an oscillating strain flow.
authors.affiliation: Departamento di Fisica dell'Universitá di Cagliari, and ISAC-CNR, Sezione Lecce, I-73100 Lecce, Italy.
authors.forename: Piero
authors.initials: P
authors.lastname: Olla