title: Effective surface dilatational viscosity of highly concentrated particle-laden interfaces.
abstract: The effective surface dilatational viscosity is calculated of a flat interface separating two immiscible fluids laden with half-immersed monodisperse rigid spherical non-Brownian particles in the limit of high particle concentration. The derivation is based upon the facts that (i) highly concentrated particle arrays in a plane form a hexagonal structure and (ii) the dominant contribution to the viscous dissipation rate arises in the thin gaps between neighboring particles.
authors.affiliation: Department of Mathematics, University of Leicester, Leicester LE1 7RH, United Kingdom.
authors.forename: S V
authors.initials: SV
authors.lastname: Lishchuk