The dynamics of finite-size settling particles
Institution: | Universität Karlsruhe |
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Department: | |
Year: | 2014 |
Keywords: | multiphase particle-laden flows, suspensions, DNS |
Record ID: | 1105284 |
Full text PDF: | http://digbib.ubka.uni-karlsruhe.de/volltexte/documents/3317290 |
Direct numerical simulations of the gravity-induced settling of finite-size particles in triply periodic domains has been performed under dilute conditions. We consider rigid, heavy, finite-size spherical particles. Depending on the particle settling regime the particles may exhibit strong clustering. The particles inside clusters experience larger settling velocities than the average. The mean particle wake is significantly attenuated by the motion of the particles.