Mechanisms of particle deposition in a fully developed turbulent open channel flow

By C. Narayanan, D. Lakehal, L. Botto, Alfredo Soldati. 2003

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Influence of gravity and lift on particle velocity statistics and transfer rates in turbulent vertical channel flow (2007, background): “…and computational studies (McLaughlin, 1989; Brooke et al., 1994; Uijttewaal and Oliemans, 1996; van Haarlem et al., 1998; Zhang and Ahmadi, 2000; Narayanan et al., 2003; Marchioli et al., 2003) showed that particle distribution in wall-bounded turbulent flows is made highly non-homogeneous by…”
Physics and modelling of turbulent particle deposition and entrainment: Review of a systematic study (2009, background): “Particles driven to the wall by a sweep and not re-entrained to the outer flow by an ejection are bound to remain in the viscous wall layer for long times, slowly diffusing to the wall due to turbophoresis (Reeks, 1983; Narayanan et al., 2003).”
Direct numerical simulation of particle wall transfer and deposition in upward turbulent pipe flow (2003, background): “While free-flight particle velocities are larger than the near-wall fluid velocity fluctuations, diffusional deposition particles have velocity roughly equal to the near-wall fluid velocity fluctuations (Narayanan et al., 2003).”