Thermophoresis at a charged surface: the role of hydrodynamic slip
Langue
en
Article de revue
Ce document a été publié dans
Journal of Physics: Condensed Matter. 2009-01-17, vol. 21, n° 3, p. 035103
IOP Publishing
Résumé en anglais
By matching boundary layer hydrodynamics with slippage to the force-free flow at larger distances, we obtain the thermophoretic mobility of charged particles as a function of the Navier slip length b. A moderate value of ...Lire la suite >
By matching boundary layer hydrodynamics with slippage to the force-free flow at larger distances, we obtain the thermophoretic mobility of charged particles as a function of the Navier slip length b. A moderate value of b augments Ruckenstein's result by a term 2b/λ where λ is the Debye length. If b exceeds the particle size a, the enhancement coefficient a/λ is independent of b but proportional to the particle size. Similar effects occur for transport driven by a salinity gradient or by an electric field.< Réduire
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