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Effects of very-large roughness in turbulent channel flow

Birch, DM, Morrison, JF and Eckhardt, B (2009) Effects of very-large roughness in turbulent channel flow In: 12th EUROMECH European Turbulence Conference, 2009-09-07 - 2009-09-10, Marburg, GERMANY.

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Abstract

The streamwise velocity statistics in fully-developed rough-wall channel flow have been investigated over grit- and mesh-type surface topologies. The flow was demonstrated to be fully-developed and two-dimensional up to the fourth moment of velocity. Though the flow over both surface types appear to exhibit a limited logarithmic region, the regions of inner and outer scaling over the mesh surface fail to overlap. The influence of the spanwise periodicity of the mesh upon the outer scaling is discussed.

Item Type: Conference or Workshop Item (Paper)
Additional Information: The original publication is available at http://www.springerlink.com/content/m85680h1gmwp6153/
Uncontrolled Keywords: Science & Technology, Physical Sciences, Technology, Thermodynamics, Mechanics, Physics, Fluids & Plasmas, Physics, BOUNDARY-LAYERS
Related URLs:
Divisions: Faculty of Engineering and Physical Sciences > Mechanical Engineering Sciences
Depositing User: Symplectic Elements
Date Deposited: 05 Oct 2012 19:30
Last Modified: 23 Sep 2013 19:38
URI: http://epubs.surrey.ac.uk/id/eprint/719217

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