<abstract xmlns="http://www.w3.org/1999/xhtml"><p> The motion of a spherical bubble rising in a gravitational field in presence of a traveling pressure step wave is investigated. Equations of motion for the bubble radius and center of mass are deduced and several sample cases are analysed by means of their numerical integration. The crucial role played by the traveling speed of the wave front and by the intensity of the pressure step are discussed. A first comparison with the axisymmetric dynamics is discussed.</p></abstract>

The motion of a spherical bubble rising in a gravitational field in presence of a traveling pressure step wave is investigated. Equations of motion for the bubble radius and center of mass are deduced and several sample cases are analysed by means of their numerical integration. The crucial role played by the traveling speed of the wave front and by the intensity of the pressure step are discussed. A first comparison with the axisymmetric dynamics is discussed.

Dynamics of a spherical bubble rising in gravity, subject to traveling pressure disturbance

Communications in Applied and Industrial Mathematics

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

The motion of a spherical bubble rising in a gravitational field in presence of a traveling pressure step wave is investigated. Equations of motion for the...

Dynamics of a spherical bubble rising in gravity, subject to traveling pressure disturbance

Published Online: Dec 14, 2018

Page range: 149 - 158

Received: Oct 10, 2018

Accepted: Dec 04, 2018

DOI: https://doi.org/10.2478/caim-2018-0020

Keywords
cavitation, rising gas bubble, traveling pressure disturbance

© 2018 Giorgio Riccardi, Enrico De Bernardis, published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

Dynamics of a spherical bubble rising in gravity, subject to traveling pressure disturbance

Published Online: Dec 14, 2018

Page range: 149 - 158

Received: Oct 10, 2018

Accepted: Dec 04, 2018

DOI: https://doi.org/10.2478/caim-2018-0020

Keywordscavitation, rising gas bubble, traveling pressure disturbance

© 2018 Giorgio Riccardi, Enrico De Bernardis, published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

Keywords
cavitation, rising gas bubble, traveling pressure disturbance