An experimental investigation was carried out to study the turbulent flow over a flat plate in a wind tunnel. The turbulence was generated by a plate with diamond-shaped perforations mounted perpendicular to and on the leading edge of the flat plate. Unlike conventional grid turbulence studies, this perforated plate had a finite height, and this height was explored as a key independent parameter. Instantaneous velocity measurements were performed with a 1D hot-wire anemometer to reveal the behavior of the flow a short distance downstream of the perforated plate (X/D = 10–30). Different perforated plate heights (H = 3, 7, 11 cm) and free stream velocities (U = 4.5, 5.5, 6.5 m/s) have been studied.
Turbulent Flow Over a Flat Plate Downstream of a Finite Height Perforated Plate
Contributed by the Fluids Engineering Division of ASME for publication in the JOURNAL OF FLUIDS ENGINEERING. Manuscript received April 22, 2014; final manuscript received August 20, 2014; published online September 24, 2014. Assoc. Editor: Mark F. Tachie.
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Fouladi, F., Henshaw, P., and Ting, D. S. (September 24, 2014). "Turbulent Flow Over a Flat Plate Downstream of a Finite Height Perforated Plate." ASME. J. Fluids Eng. February 2015; 137(2): 021203. https://doi.org/10.1115/1.4028402
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