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Rotating Rayleigh-Taylor instability

Scase, Matthew M.; Baldwin, Kyle A.; Hill, Richard J.A.

Authors

Kyle A. Baldwin

Richard J.A. Hill



Abstract

© 2017 American Physical Society. The effect of rotation upon the classical Rayleigh-Taylor instability is investigated. 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.

Citation

Scase, M. M., Baldwin, K. A., & Hill, R. J. (2017). Rotating Rayleigh-Taylor instability. Physical Review Fluids, 2(2), Article 024801. https://doi.org/10.1103/PhysRevFluids.2.024801

Journal Article Type Article
Acceptance Date Jan 12, 2017
Online Publication Date Feb 15, 2017
Publication Date Feb 1, 2017
Deposit Date Jan 13, 2017
Publicly Available Date Feb 1, 2017
Journal Physical Review Fluids
Electronic ISSN 2469-990X
Publisher American Physical Society
Peer Reviewed Peer Reviewed
Volume 2
Issue 2
Article Number 024801
DOI https://doi.org/10.1103/PhysRevFluids.2.024801
Public URL https://nottingham-repository.worktribe.com/output/845779
Publisher URL https://journals.aps.org/prfluids/abstract/10.1103/PhysRevFluids.2.024801

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