Rotating Rayleigh-Taylor instability

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Scase, Matthew M., Baldwin, Kyle A. and Hill, Richard J.A. (2017) Rotating Rayleigh-Taylor instability. Physical Review Fluids, 2 (2). 024801. ISSN 2469-990X

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Abstract

The effect of rotation upon the classical Rayleigh-Taylor instability is considered. We consider a two-layer system with an axis of rotation that is perpendicular to the interface between the layers. In general we find that a wave mode’s growth rate may be reduced by rotation. We further show that in some cases, unstable axisymmetric wave modes may be stabilized by rotating the system above a critical rotation rate associated with the mode’s wavelength, the Atwood number and the flow’s aspect ratio.

Item Type: Article
RIS ID: https://nottingham-repository.worktribe.com/output/845779
Schools/Departments: University of Nottingham, UK > Faculty of Engineering
University of Nottingham, UK > Faculty of Science > School of Mathematical Sciences
University of Nottingham, UK > Faculty of Science > School of Physics and Astronomy
Identification Number: 10.1103/PhysRevFluids.2.024801
Depositing User: Scase, Matthew
Date Deposited: 13 Jan 2017 14:50
Last Modified: 04 May 2020 18:34
URI: https://eprints.nottingham.ac.uk/id/eprint/39836

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