Particle and bubble dynamics in a creeping flow
Article
Article Title | Particle and bubble dynamics in a creeping flow |
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ERA Journal ID | 1288 |
Article Category | Article |
Authors | Stepanyants, Yury (Author) and Yeoh, Guan (Author) |
Journal Title | European Journal of Mechanics B: Fluids |
Journal Citation | 28 (5), pp. 619-629 |
Number of Pages | 11 |
Year | 2009 |
Place of Publication | Cedex, France |
ISSN | 0997-7546 |
1873-7390 | |
Digital Object Identifier (DOI) | https://doi.org/10.1016/j.euromechflu.2009.04.004 |
Abstract | Dynamics of a solid particle and non-deformable gaseous bubble in viscous fluid are studied analytically and numerically within the framework of creeping flow regime (flow at vanishingly small Reynolds numbers). Equations of motion for the particle and bubble include the consideration of the buoyancy force, Stokes drag force and memory-integral drag force. Exact analytical solutions are obtained and categorised in terms of inclusion (particle or bubble) density with respect to the density of a surrounding fluid. Through the analytical and numerical solutions, the dynamics of solid particle and air bubble in water have been found to behave differently especially at the early stages of motion, whereas some qualitative similarities exist in the long-term asymptotic. |
Keywords | creeping flow; solid particle; bubble; viscous fluid; small Reynolds number; exact solution; Stokes drag; memory-integral drag |
ANZSRC Field of Research 2020 | 401207. Fundamental and theoretical fluid dynamics |
401204. Computational methods in fluid flow, heat and mass transfer (incl. computational fluid dynamics) | |
510703. Particle physics | |
Public Notes | Files associated with this item cannot be displayed due to copyright restrictions. |
Byline Affiliations | Department of Mathematics and Computing |
University of New South Wales |
https://research.usq.edu.au/item/9z316/particle-and-bubble-dynamics-in-a-creeping-flow
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