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PARTICLE–FREE AIR BUBBLE INTERACTION IN LIQUID

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Abstract

The authors study dynamics of heavy particle attached to the surface of free air bubble in liquid. The bubble with its surface vibrations and the particle are considered as a single mechanical system with geometric constraint. It is assumed that the main forces to govern interaction of these objects are the inertia force due to surface vibration of the bubble and the capillary adhesion force. The stability conditions of particle–bubble flotation aggregate at various initial surface vibrations of the bubble and at different masses of the particle are described. The velocities of the surface vibration modes are governed by the energy of turbulent pulsations in liquid.

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Authors and Affiliations

  1. Chinakal Institute of Mining, Siberian Branch, Russian Academy of Sciences, 630091, Novosibirsk, Russian Federation

    S. A. Kondrat’ev & N. P. Moshkin

  2. Lavrentiev Institute of Hydrodynamics, Siberian Branch, Russian Academy of Sciences, 630090, Novosibirsk, Russian Federation

    N. P. Moshkin

  3. Novosibirsk State University, 630090, Novosibirsk, Russian Federation

    N. P. Moshkin

Authors
  1. S. A. Kondrat’ev
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  2. N. P. Moshkin
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Correspondence to S. A. Kondrat’ev or N. P. Moshkin.

Additional information

Translated from Fiziko-Tekhnicheskie Problemy Razrabotki Poleznykh Iskopaemykh, 2020, No. 6, pp. 125–135. https://doi.org/10.15372/FTPRPI20200611.

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Kondrat’ev, S.A., Moshkin, N.P. PARTICLE–FREE AIR BUBBLE INTERACTION IN LIQUID. J Min Sci 56, 990–999 (2020). https://doi.org/10.1134/S1062739120060113

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  • DOI: https://doi.org/10.1134/S1062739120060113

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