Abstract
The flowfields associated with chamfered, low aspect ratio cylindrical pins cantilevered into a laminar boundary layer were investigated experimentally using oil flow visualizations and stereoscopic particle image velocimetry. Two chamfered pins were used, one where the chamfer encompassed half of the pin's planform and one where the chamfer encompassed the entire planform. The chamfered pins resulted in two additional counter-rotating streamwise vortices, named Chamfered Induced Vortices (CIVs), and increased downwash. Changing the chamfer skew angle resulted in a change in the strength and direction of these vortices making them of possible use as flow control devices.
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