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  Hydrodynamic turbulence in quasi-Keplerian rotating flows

Shi, L., Hof, B., Rampp, M., & Avila, M. (2017). Hydrodynamic turbulence in quasi-Keplerian rotating flows. Physics of Fluids, 29(4): 044107. doi:10.1063/1.4981525.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-002D-5A1B-9 Version Permalink: http://hdl.handle.net/21.11116/0000-0001-67E6-8
Genre: Journal Article

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 Creators:
Shi, Liang1, Author              
Hof, Björn1, Author              
Rampp, M., Author
Avila, M., Author
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1Max Planck Research Group Complex Dynamics and Turbulence, Max Planck Institute for Dynamics and Self-Organization, Max Planck Society, ou_2063292              

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 Abstract: We report a direct-numerical-simulation study of the Taylor-Couette flow in the quasi-Keplerian regime at shear Reynolds numbers up to O(10(5)). Quasi-Keplerian rotating flow has been investigated for decades as a simplified model system to study the origin of turbulence in accretion disks that is not fully understood. The flow in this study is axially periodic and thus the experimental end-wall effects on the stability of the flow are avoided. Using optimal linear perturbations as initial conditions, our simulations find no sustained turbulence: the strong initial perturbations distort the velocity profile and trigger turbulence that eventually decays. Published by AIP Publishing.

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Language(s): eng - English
 Dates: 2017-04-262017-04
 Publication Status: Published in print
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 Table of Contents: -
 Rev. Type: Peer
 Identifiers: DOI: 10.1063/1.4981525
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Title: Physics of Fluids
Source Genre: Journal
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Pages: 9 Volume / Issue: 29 (4) Sequence Number: 044107 Start / End Page: - Identifier: -