AMract
-A theoretical analysis of particle deposition from a dilute suspension (or aerosol) subject to laminar flow onto moving continuous plates (sheets) and cylinders (wires) is presented. Complete transport equations have been formulated, taking into account speci6c surface interactions such as London-van der Wash and electrical double-layer force-s. By solving these equations numerically the dimensionless mass transfer Sherwood number has been determined for a variety of conditions characteristic for suspensions and aerosols. It has been found that the effects of attractive double-layer forces are verv imwrtant. esuecially for thin double-layers. increasing mass transfer rates by more than au order of magnitudefor kger part&s (at~distanccs close to tde entrance po&). For P&let numbers Pe < 10" (small particles) the specific interactions play a less important role and the Sherwood number cati be accurately approximated by an analytical expression derived for negligii particle diinsions (ions).
The major finding of this study is that compared to deposition on a stationary surface, deposition on moving continuous surfaces is larger by at least one order of magnitude, both in the presence or absence of specik surface forces.