Continuity waves in resolved-particle simulations of fluidized beds

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

Research output: Contribution to journalArticleAcademicpeer-review

6 Citations (Scopus)
90 Downloads (Pure)


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.

Original languageEnglish
Article number114305
JournalPhysical review fluids
Issue number11
Publication statusPublished - 1 Nov 2017


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