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Session: Wall-bounded flows 4
Session starts: Thursday 27 August, 10:30
Presentation starts: 10:45
Room: Room B

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Julio M. Barros (Department of Mechanical Engineering, United States Naval Academy)
Michael P. Schultz (Department of Naval Architecture and Ocean Engineering, United States Naval Academy)
Karen A. Flack (Department of Mechanical Engineering, United States Naval Academy)

Abstract:
Engineering systems are affected by surface roughness, however, predicting frictional drag has proven to be challenging. The present work takes a systematic approach by generating and manufacturing surfaces roughness where surface statistics, such as rms, skewness and power-spectral density can be controlled. The frictional drag on these surfaces is measured in a turbulent channel flow facility.