<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

Publié en ligne: 14 déc. 2018

Pages: 149 - 158

Reçu: 10 oct. 2018

Accepté: 04 déc. 2018

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

Mots clés
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

Publié en ligne: 14 déc. 2018

Pages: 149 - 158

Reçu: 10 oct. 2018

Accepté: 04 déc. 2018

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

Mots cléscavitation, 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.

Mots clés
cavitation, rising gas bubble, traveling pressure disturbance