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- Title
Numerical analysis of bubble motion under a pressure pulsing condition.
- Authors
Cho, Sungwook; Son, Gihun; Kim, Sungil
- Abstract
The bubble motion in a compressible liquid under a pressure pulsing condition was studied numerically by solving the conservation equations of mass and momentum. The bubble deformation was computed by a level-set method, which was modified to include the compressibility effects of bubble and liquid. The numerical results demonstrate that the presence of a bubble can significantly amplify the wall pressure near the bubble, and the wall also considerably increases the bubble pressure. The effects of surface tension, viscosity and the magnitude of pressure pulse on the bubble motion were quantified.
- Subjects
BUBBLE dynamics; COMPRESSIBLE flow; SURFACE tension; EQUATIONS of motion; WALL pressure (Aerodynamics); DEFORMATIONS (Mechanics)
- Publication
Journal of Mechanical Science & Technology, 2017, Vol 31, Issue 12, p5897
- ISSN
1738-494X
- Publication type
Article
- DOI
10.1007/s12206-017-1133-x