Abstract
The aerodynamic interference effect is an important and complex phenomenon that can modified wind flow around structures in a group and wind loading on structures can significantly increase. Three cylindrical buildings in one row with a rough surface and surrounding lower minor buildings were studied by experimental measurement in wind tunnel with a turbulent boundary layer. The experimental study was focused on aerodynamical forces, local dynamic pressure on a facade of the buildings, and visualization of wind flow around buildings.
Highlights
In many cases of high-rise building design it is necessary to make verifying experimental measurement on a small aerodynamic model in a wind tunnel to determine wind loading
The aerodynamic interference effect is an important and complex phenomenon that can modified wind flow around structures in a group and wind loading on structures can significantly increase
Three cylindrical buildings in one row with a rough surface and surrounding lower minor buildings were studied by experimental measurement in wind tunnel with a turbulent boundary layer
Summary
In many cases of high-rise building design it is necessary to make verifying experimental measurement on a small aerodynamic model in a wind tunnel to determine wind loading. It holds especially for the cases, when the buildings have high roughness façade and are in the group. Authors of [1] studied interference excitation on two square and cylindrical prisms in low turbulent wind environment and defined increasing of the response of the downstream building, this effect was called “resonant buffeting”. Presented work is focused on the examination of the aerodynamic coefficients and local pressure of three buildings with almost cylindrical shape, with different height and considerable roughness of the façade. The study was made to define aerodynamic forces for the proper design of the building with the aim to increase the knowledge about the interference effect between more buildings with high roughness
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