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Advertising division: IEK-11 - Helmholtz Institute Erlangen-Nürnberg for Renewable Energy
Reference number: Dynamics of Complex Fluids and Interfaces

Master Thesis: "Capillary rise in soft channels"

It is common experience that the tea climbs up onto the tea-bag cord. This is the phenomenon of capillary rise. While such a phenomenon has been deeply characterized in stiff channels, it has not been studied yet in the case of soft/deformable channels. Within this project we aim at deriving analytical models capable to predict the dependence of the capillary raise on the geometry and stiffness of the pore. Thanks to the analytical approach, several pore geometries and stiffnesses will be explored. The outcome of this project, by shading light onto the relevant variables involved, will provide a useful tool to predict the behavior in real situations and to interpret experimental data.

Your profile:

  • Bachelor in Physics, Chemical or Biological Engineering or related field
  • Background in statistical mechanics
  • (possibly) Background in fluid dynamics

Your tasks:

  • Derive the analytical model for capillary rise in soft channels and generate predictions
    about the dependence on the geometry and the stiffness
  • Use the model to identify diverse transport regimes. Are there “resonant” regimes in
    which the capillary rise can be strongly amplified/hindered?
  • Critically analyze the results and compare them to the literature
  • Document and discuss the results

You're interested?

Please send your application via e-mail to:

Dr. Paolo Malgaretti
PostDoc
Phone: +49 9131-12538207
email: p.malgaretti@fz-juelich.de

Prof. Dr. Jens Harting
Head of Research Department
Phone: +49 911 32169-113
email: j.harting@fz-juelich.de

Additional Information