Stationary solid particle attractors in standing waves

Research output: Contribution to journalArticle

6 Citations (Scopus)

Abstract

The present analysis extends earlier theories on patterns formed by the spontaneous accumulation and ordering of solid particles in certain types of flow by considering the case in which the particle carrier flow has the typical features of a "standing wave." For the first time an explanation for this phenomenon is elaborated through arguments based on the interplay between vorticity and wave-interference dynamics (following a deductive approach after the so-called phase-locking or "resonance" model originally introduced by Pushkin et al. [Phys. Rev. Lett. 106, 234501 (2011)] and later variants developed by Lappa [Phys. Fluids 25(1), 012101 (2013) and Chaos 23(1), 013105 (2013)]). The results of dedicated numerical simulations are used in synergy with available experimental work. An interesting analogy is proposed with the famous Chladni's series of experiments on patterns formed by sand on vibrating plates.


LanguageEnglish
Article number013305
Number of pages12
JournalPhysics of Fluids
Volume26
Issue number1
DOIs
Publication statusPublished - 28 Jan 2014

Fingerprint

Wave interference
Vorticity
standing waves
Chaos theory
Sand
Fluids
Computer simulation
vorticity
sands
locking
chaos
Experiments
interference
fluids
simulation

Keywords

  • solid particle attractors
  • standing waves
  • pattern analysis
  • wave dynamics
  • vorticity
  • surface dynamics

Cite this

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Stationary solid particle attractors in standing waves. / Lappa, Marcello.

In: Physics of Fluids, Vol. 26, No. 1, 013305, 28.01.2014.

Research output: Contribution to journalArticle

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