The JEREMI-project on thermocapillary convection in liquid bridges. Part B: Overview on impact of co-axial gas flow

V. Shevtsova, Y. Gaponenko, H. C. Kuhlmann, M. Lappa, M. Lukasser, S. Matsumoto, A. Mialdun, J. M. Montanero, K. Nishino, I. Ueno

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Abstract

Pure surface-tension-driven flow is a unique type of flow that can be controlled through external manipulation of thermal and/or mechanical boundary conditions at the free liquid surface where the entire driving force for the convection is generated. This unique feature has been exploited in recent studies for the active control of the flow instability. The use of forced coaxial gas streams has been proposed as a way to stabilize the Marangoni convection in liquid bridges in the planned space experiment JEREMI (Japanese and European Research Experiment on Marangoni Instabilities). It is aimed at understanding the mechanism of the instability and the role of the surface heat transfer and surface shear stresses. This overview presents corresponding preparatory experimental and numerical studies.

Original languageEnglish
Pages (from-to)197-240
Number of pages44
JournalFluid Dynamics and Materials Processing
Volume10
Issue number2
DOIs
Publication statusPublished - 15 Jul 2014

Keywords

  • thermocapillary flow
  • liquid bridge
  • co-axial
  • heat transfer
  • shear stress

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