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Influence of Leading Edge and Spacing on the Near Wake of Cylinder Pairs
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An experimental study of the effects of the shape of rectangular cylinder leading edge and the cylinder spacing on the wake dynamics in an open channel turbulent flow is reported. The shapes of the rectangular cylinder leading edges were square and round with each having a square trailing edge. In each experiment, measurements were conducted for a pair of cylinders that have identical leading edge shape. Three centre-to-centre spacing (b = 30 mm, 50 mm and 75 mm) were investigated for each cylinder leading edge shape. Particle image velocimetry system was used to conduct measurements around each cylinder pair. The results show that the mean velocity and the turbulence level increases with decreasing spacing. The turbulence levels downstream of a cylinder pair with a round leading edge are relatively higher than the corresponding cylinder pair with square leading edge.
Title: Influence of Leading Edge and Spacing on the Near Wake of Cylinder Pairs
Description:
An experimental study of the effects of the shape of rectangular cylinder leading edge and the cylinder spacing on the wake dynamics in an open channel turbulent flow is reported.
The shapes of the rectangular cylinder leading edges were square and round with each having a square trailing edge.
In each experiment, measurements were conducted for a pair of cylinders that have identical leading edge shape.
Three centre-to-centre spacing (b = 30 mm, 50 mm and 75 mm) were investigated for each cylinder leading edge shape.
Particle image velocimetry system was used to conduct measurements around each cylinder pair.
The results show that the mean velocity and the turbulence level increases with decreasing spacing.
The turbulence levels downstream of a cylinder pair with a round leading edge are relatively higher than the corresponding cylinder pair with square leading edge.
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