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Disintegration of cylindrical liquid columns in liquid-fluid systems: Direct numerical simulation

  • Part II 5. Surface Forces and Surfaces Under External Fields
  • Conference paper
  • First Online:
Dynamics of Multiphase Flows Across Interfaces

Part of the book series: Lecture Notes in Physics ((LNP,volume 467))

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Abstract

The capillary instability and breakup of a cylindrical liquid column surrounded by a bounded immiscible fluid are investigated. The process of disintegration is simulated numerically using a second order finite difference method applied to the streamfunction-vorticity formulation of the governing equations. All viscous and nonlinear terms are included. In the case of liquid jet into vacuum, the results obtained with the present numerical approach are in good agreement with those of previous authors. In the case of liquid jet into viscous liquid phase, the applicability of the numerical procedure is verified in comparison with the results of the linear stability analysis. Basic characteristics of the disintegration such as drop sizes are compared to existing experimental data obtained under the condition of zero relative velocity between the jet and the continuous phase. The influence of the physical properties is analyzed as well as that of the rigid cylinder bounding the continuous phase at some distance. The calculation code has been extended to study the disintegration of liquid bridges.

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Authors and Affiliations

  1. IUSTI-UMR 139, 13397, Marseille Cedex 20, France

    M. Chacha, R. Occelli & L. Tadrist

  2. IMech BAS, ul Georgi Bonchev, bl 4, 1113, Sofia, Bulgaria

    S. Radev

Authors
  1. M. Chacha
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  2. R. Occelli
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  3. L. Tadrist
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  4. S. Radev
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Editor information

Annie Steinchen

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© 1996 Springer-Verlag

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Chacha, M., Occelli, R., Tadrist, L., Radev, S. (1996). Disintegration of cylindrical liquid columns in liquid-fluid systems: Direct numerical simulation. In: Steinchen, A. (eds) Dynamics of Multiphase Flows Across Interfaces. Lecture Notes in Physics, vol 467. Springer, Berlin, Heidelberg. https://doi.org/10.1007/BFb0102673

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  • DOI: https://doi.org/10.1007/BFb0102673

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  • Publisher Name: Springer, Berlin, Heidelberg

  • Print ISBN: 978-3-540-60848-6

  • Online ISBN: 978-3-540-49620-5

  • eBook Packages: Springer Book Archive

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