Transport of Heavy Spherical Particles in Horizontal Channel Flow

Markus Uhlmann and J. Fröhlich
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Markus Uhlmann: CIEMAT, Modeling and Numerical Simulation Unit
J. Fröhlich: University of Karlsruhe, Institute for Technical Chemistry and Polymer Chemistry

A chapter in High Performance Computing in Science and Engineering `07, 2008, pp 351-369 from Springer

Abstract: Abstract We numerically simulate turbulent flow in a horizontal plane channel over a bed of mobile spherical particles. All scales of fluid motion are resolved without modeling and the phase interface is accurately represented. Direct contact between particles is taken into account by an artificial short-range repulsion force. Our results indicate possible scenarios for the onset of erosion through collective motion induced by buffer-layer streaks and subsequent saltation of individual particles.

Keywords: Direct Numerical Simulation; Roughness Element; Circular Disc; Immerse Boundary Method; Rough Wall (search for similar items in EconPapers)
Date: 2008
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Persistent link: https://EconPapers.repec.org/RePEc:spr:sprchp:978-3-540-74739-0_24

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DOI: 10.1007/978-3-540-74739-0_24

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