Experimental study of the flow past submerged half-cylinders
2017
This investigation studies the details of the flow behind and over two identical semicircular cylinders positioned in tandem. Laser Doppler Velocimetry (LDV) measurements are carried out in a laboratory water flume using two different gap ratios (Sp/d = 1 and Sp/d = 0.5; where Sp indicates distance between the cylinders and d indicates cylinder diameter) under two different flow situations. These LDV measurement are used to derive velocities, formation length and Power spectral density for the various flow conditions. Flow visualizations are also added in this investigation. The results indicate that the flow is significantly affected due to gap ratios.
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