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A fast numerical procedure for steady capillary flow in open channels

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Abstract

The surface evolver (SE) algorithm is a valued numerical tool for computations of complex equilibrium interfacial phenomena. In this work, an iterative procedure is implemented such that SE can be employed to predict steady-state flows along capillary channels of arbitrary cross-section. As a demonstration, a one-dimensional stream filament flow model is solved that approximates the pressure changes inside the channel. Despite its simplicity, the precision, stability, and speed of the method affirm it as an efficient and unique design tool for a variety of capillary flow problems. The procedure is ideally suited for slender column flows such as open wedge channel flows, several of which are validated herein via parabolic flight and drop tower experiments.

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Authors and Affiliations

  1. Center of Applied Space Technology and Microgravity, University of Bremen, 28359, Bremen, Germany

    J. Klatte, D. Haake & M. Dreyer

  2. Department of Mechanical Engineering, Portland State University, Portland, OR, 97207, USA

    M. M. Weislogel

Authors
  1. J. Klatte
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  2. D. Haake
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  3. M. M. Weislogel
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  4. M. Dreyer
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Corresponding author

Correspondence to M. Dreyer.

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Dedicated to Professor Wilhelm Schneider on the occasion of his 70th birthday

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Klatte, J., Haake, D., Weislogel, M.M. et al. A fast numerical procedure for steady capillary flow in open channels. Acta Mech 201, 269–276 (2008). https://doi.org/10.1007/s00707-008-0063-1

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  • DOI: https://doi.org/10.1007/s00707-008-0063-1

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