Retracted. “Direct numerical simulation of the Ekman layer: A step in Reynolds number, and cautious support for a log law with a shifted origin”
Retracted. “Direct numerical simulation of the Ekman layer: A step in Reynolds number, and cautious support for a log law with a shifted origin”
A retraction of our findings in Ref. [1] is necessary. The numerical accuracy was not up to the required standards, allowing an error of about 0.3 in U+ in the buffer layer, and was insufficient to support the logarithmic law that was proposed. New results on two levels of finer grids are presented and found to be close, and to compare very well with the channel direct numerical simulation DNS results of Hoyas and Jiménez[2]. Conversely, the excellent agreement with an analytical fit to experiments proposed by Chauhan et al.[3], well into the range of several hundred for z+ is lost.
three-dimensional turbulent boundary layers, near-wall similarity, direct numerical simulation
109901-[3pp]
Spalart, Philippe R.
8b92da5d-561c-4c7d-be1f-97f27de7c2a3
Coleman, Gary N.
ea3639b9-c533-40d7-9edc-3c61246b06e0
Johnstone, Roderick
8ac02aa2-776b-4f80-b44d-1a5cf8682f21
October 2009
Spalart, Philippe R.
8b92da5d-561c-4c7d-be1f-97f27de7c2a3
Coleman, Gary N.
ea3639b9-c533-40d7-9edc-3c61246b06e0
Johnstone, Roderick
8ac02aa2-776b-4f80-b44d-1a5cf8682f21
Spalart, Philippe R., Coleman, Gary N. and Johnstone, Roderick
(2009)
Retracted. “Direct numerical simulation of the Ekman layer: A step in Reynolds number, and cautious support for a log law with a shifted origin”.
Physics of Fluids, 21 (10), .
(doi:10.1063/1.3247176).
Abstract
A retraction of our findings in Ref. [1] is necessary. The numerical accuracy was not up to the required standards, allowing an error of about 0.3 in U+ in the buffer layer, and was insufficient to support the logarithmic law that was proposed. New results on two levels of finer grids are presented and found to be close, and to compare very well with the channel direct numerical simulation DNS results of Hoyas and Jiménez[2]. Conversely, the excellent agreement with an analytical fit to experiments proposed by Chauhan et al.[3], well into the range of several hundred for z+ is lost.
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Published date: October 2009
Keywords:
three-dimensional turbulent boundary layers, near-wall similarity, direct numerical simulation
Organisations:
Aerodynamics & Flight Mechanics
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Local EPrints ID: 71718
URI: http://eprints.soton.ac.uk/id/eprint/71718
ISSN: 1070-6631
PURE UUID: 6c047d89-d7eb-4b01-9918-f6489812ece0
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Date deposited: 18 Dec 2009
Last modified: 13 Mar 2024 20:40
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Author:
Philippe R. Spalart
Author:
Gary N. Coleman
Author:
Roderick Johnstone
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