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International Journal of Fluid Mechanics Research
ESCI SJR: 0.206 SNIP: 0.446 CiteScore™: 0.5

ISSN Print: 2152-5102
ISSN Online: 2152-5110

International Journal of Fluid Mechanics Research

DOI: 10.1615/InterJFluidMechRes.v28.i4.30
12 pages

Wind Tunnel Investigation of a Complex Canopy Shear Flow

Ye. A. Gayev
Institute of Hydromechanics of National Academy of Sciences of Ukraine, Kyiv, Ukraine
Eric Savory
Fluid Mechanics Research Group, Department of Civil Engineering, University of Surrey, Guildford GU2 5XH, Surrey, United Kingdom
Norman Toy
Engineering & Scientific Innovations, Inc., USA

ABSTRACT

The air flow within and above a 120 mm high canopy located on a wind tunnel ground plane has been investigated using thermal anemometry. The canopy consists of an array of "trees" constructed with flat plate, triangular, 70 mm high "crowns" at the top of cylindrical "stems", allowing several orientations to the air flow. Mean velocity and turbulence intensity distributions, together with turbulence spectra, and their transformation along the canopy are discussed. It is intended that the results should be applicable to several fluid mechanics disciplines by means of a general concept of Easily Penetrable Roughness.


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