68th Annual Meeting of the APS Division of Fluid Dynamics (November 22, 2015 — November 24, 2015)

V0058: Evolution of injected air stream in granular bed

  • Ritwik Maiti, Research Scholar
  • Gargi Das, Professor
  • Prasanta Das, Professor
DOI: https://doi.org/10.1103/APS.DFD.2015.GFM.V0058

 An air stream injected through an orifice into a granular bed creates intriguing but aesthetically exotic patterns. The interaction of air with an aggregate of cohesionless granules presents evolution of patterns from stationary bubble to meandering filament and finally to a floating canopy with the increase of air velocity.

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