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On the significance of form induced stress in rough wall turbulent boundary layers

On the significance of form induced stress in rough wall turbulent boundary layers
On the significance of form induced stress in rough wall turbulent boundary layers
This paper presents a review of recent experimental and numerical studies which deal with the analysis of form-induced stress in rough wall turbulent boundary layers. The aim of the paper is to assess the importance of this stress for various rough wall geometries and flow conditions. Analysis of the significance of form-induced stress is first performed by comparing its magnitude with the magnitude of Reynolds stress for each data set available in literature. Then, by selecting a special set of data, we analyze the comparison between the gradients of both stresses. We point out that the comparison of stress gradients gives a different perspective on the role of form-induced stress in rough wall boundary layers.
1895-6572
845-861
Manes, C.
7d9d5123-4d1b-4760-beff-d82fe0bd0acf
Pokrajac, D.
bf6480dd-6965-46f1-880b-8290c86f6965
Coceal, O.
da233575-2c0b-4e62-8aa8-32187bd2fbdd
McEwan, I.K.
97c6a9fc-0191-432f-b478-9468b055a1c7
Manes, C.
7d9d5123-4d1b-4760-beff-d82fe0bd0acf
Pokrajac, D.
bf6480dd-6965-46f1-880b-8290c86f6965
Coceal, O.
da233575-2c0b-4e62-8aa8-32187bd2fbdd
McEwan, I.K.
97c6a9fc-0191-432f-b478-9468b055a1c7

Manes, C., Pokrajac, D., Coceal, O. and McEwan, I.K. (2008) On the significance of form induced stress in rough wall turbulent boundary layers. Acta Geophysica, 56 (3), 845-861. (doi:10.2478/s11600-008-0021-2).

Record type: Article

Abstract

This paper presents a review of recent experimental and numerical studies which deal with the analysis of form-induced stress in rough wall turbulent boundary layers. The aim of the paper is to assess the importance of this stress for various rough wall geometries and flow conditions. Analysis of the significance of form-induced stress is first performed by comparing its magnitude with the magnitude of Reynolds stress for each data set available in literature. Then, by selecting a special set of data, we analyze the comparison between the gradients of both stresses. We point out that the comparison of stress gradients gives a different perspective on the role of form-induced stress in rough wall boundary layers.

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Published date: 2008
Organisations: Energy & Climate Change Group

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Local EPrints ID: 204103
URI: http://eprints.soton.ac.uk/id/eprint/204103
ISSN: 1895-6572
PURE UUID: b93f97a4-d1cd-47c8-abcd-21b3eb8ed6c9

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Date deposited: 24 Nov 2011 11:28
Last modified: 18 Nov 2019 20:57

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