Flow Dynamics in the Roughness Sublayer of Atmospheric Boundary Layers

被引：0
|
作者：
Perret, Laurent [1 ]
Mathis, Romain [2 ]
Basley, Jeremy [3 ]
机构：
[1] Cent Nantes, UMR CNRS 6598, LHEEA, Nantes, France
[2] Univ Toulouse, INPT, CNRS, UPS,Inst Mecan Fluides Toulouse IMFT, Toulouse, France
[3] Imperial Coll London, Dept Aeronaut, London, England
来源：
PROGRESS IN TURBULENCE VIII | 2019年 / 226卷
关键词：
D O I：
10.1007/978-3-030-22196-6_14
中图分类号：
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号：
0807 ; 0820 ;
摘要：
The present work investigates the influence of the packing density (lambda(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 lambda(p) leads to a change in the near-canopy flow regime for which the coherent structures from the outer layer dominate.
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页码：87 / 92
页数：6
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