The massively developing urban areas with different buildings in proximity of each other, makes it an important topic to study wind engineering to understand the mechanism of flow-structure interactions. To this purpose, extensive experimental studies have been conducted to investigate the turbulent flow around wall-mounted obstacles and buildings. Lim et al. [1] studied the turbulent flow over a cubic bluff body in a wind tunnel experiment. They showed that the generally accepted assumption of Reynolds-number independency for bluff bodies submerged in thick boundary layers was not always valid. Wang and Zhou [2] conducted wind tunnel experiments using hot-wire anemometry and particle-image velocimetry to analyze the wake region of a square cylinder of different aspect ratios. They characterized the wake region by the interaction of the tip, base and spanwise vortices.
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