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Flow dynamics in the roughness sublayer of atmospheric boundary layers

Perret, Laurent and Mathis, Romain and Basley, Jérémy Flow dynamics in the roughness sublayer of atmospheric boundary layers. (2019) In: iTi Conference in Turbulence 2018, 1 September 2018 - 3 September 2018 (Bertinoro, Italy).

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Official URL: https://doi.org/10.1007/978-3-030-22196-6


The present work investigates the influence of the packing density (λ p ) of a cube-based canopy on the interaction between the most energetic structures of both the logarithmic layer and the roughness sublayer of an atmospheric boundary layer. Analysis of one- and two-point hot-wire anemometry measurements shows that increasing λ p leads to a change in the near-canopy flow regime for which the coherent structures from the outer layer dominate.

Item Type:Conference or Workshop Item (Paper)
Audience (conference):International conference proceedings
Uncontrolled Keywords:
Institution:French research institutions > Centre National de la Recherche Scientifique - CNRS (FRANCE)
Other partners > Ecole Centrale de Nantes (FRANCE)
Université de Toulouse > Institut National Polytechnique de Toulouse - Toulouse INP (FRANCE)
Université de Toulouse > Université Toulouse III - Paul Sabatier - UT3 (FRANCE)
Other partners > Imperial College London (UNITED KINGDOM)
Laboratory name:
Agence Nationale pour la Recherche - ANR (FRANCE)
Deposited On:04 Dec 2019 11:03

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