73th Annual Meeting of the APS Division of Fluid Dynamics (November 22, 2020 — November 24, 2020)

V0005: fingering instability in Marangoni spreading on a deep viscoelastic layer

Authors
  • Xue Ma, Beijing Institute of Technology
  • Menglin Zhong, Beijing Institute of Technology
  • Yifeng He, Beijing Institute of Technology
  • Zhanwei Liu, Beijing Institute of Technology
  • Zhenzhen Li, Beijing Institute of Technology
DOI: https://doi.org/10.1103/APS.DFD.2020.GFM.V0005

1. We report a fingering pattern occurring during strong shear flow (such as Marangoni flow) on a free surface of polymer solution, and analyze the dynamics and the physical origin of pattern formation.

2. It may have implications in airway drug delivery combined with inhalation treatment.

 

 

 

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