Continuity waves in resolved-particle simulations of fluidized beds

descriptionPublicationkeyboard_double_arrow_right Article , Other literature type 30 Nov 2017 Netherlands English Publisher:American Physical Society (APS)Journal:Physical Review Fluids, volume 2 (eissn: 2469-990X,

Copyright policy )Funded by:NSF | Turbulent Particle-Fluid ...

Authors: Willen, Daniel P.; Sierakowski, Adam J.; Zhou, Gedi; Prosperetti, Andrea;

doi: 10.1103/physrevfluids.2.114305

Continuity waves in resolved-particle simulations of fluidized beds

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Abstract

The results of a fully resolved simulation of up to 2000 spheres suspended in a vertical liquid stream are analyzed by a method based on a truncated Fourier series expansion. It is shown that, in this way, it is possible to identify continuity (or kinematic) waves and to determine their velocity, which is found to closely agree with the theory of one-dimensional continuity waves based on the Richardson-Zaki drag correlation.

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