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Experimental visualization of bubble formation from an orifice in microgravity in the presence of electric fields

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Abstract

 The formation of air bubbles injected into a stagnant, isothermal liquid in microgravity through an orifice was studied. The bubbles grew very large in microgravity. They attained a nearly spherical shape and showed pronounced affinity towards coalescence in the absence of electric fields and other perturbations. Under the influence of electric fields, periodic detachment was observed, with bubble sizes larger than in terrestrial conditions. The bubble shape was elongated. After detachment, the bubbles moved away from the electrode at which they formed without coalescing with other bubbles. Experimental data on bubble shape and size at detachment showed good agreement with models.

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Authors and Affiliations

  1. Department of Mechanical Engineering The Johns Hopkins University Baltimore, MD 21218, USA e-mail: herman@titan.me.jhu.edu, , , , , , US

    C. Herman, E. Iacona, G. Suner & C. Milburn

  2. KFKI-Research Institute for Particle and Nuclear Physics 1525 Budapest, POB 49, Hungary, , , , , , HU

    I.B. Földes

Authors
  1. C. Herman
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  2. E. Iacona
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  3. I.B. Földes
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  4. G. Suner
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  5. C. Milburn
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Additional information

Received: 26 March 2001 / Accepted: 16 August 2001

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Herman, C., Iacona, E., Földes, I. et al. Experimental visualization of bubble formation from an orifice in microgravity in the presence of electric fields. Experiments in Fluids 32, 396–412 (2002). https://doi.org/10.1007/s003480100366

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  • DOI: https://doi.org/10.1007/s003480100366

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