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Experimental investigation of drag reduction by polymer additives in a turbulent channel flow
DownloadSpring 2018
The addition of a minute amount of long-chain polymer molecules to a turbulent flow can cause a significant reduction of skin-friction drag in both internal and external flows. The explanation of interaction between polymers and turbulence remains the most difficult area of polymer flow...
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Spring 2018
The aim of this study is to develop a technique capable of performing three-dimensional particle tracking by using images from a plenoptic (or light field) camera. Use of a plenoptic camera enables the collection of three-dimensional positional data within a volume, which would normally require...
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Transport of Bubbles and Oil Droplets Rising in a Net Co-F1ow through a Rectangular Confinement
DownloadFall 2018
The passage of air bubbles and oil droplets with five net co-flow through a vertical straight rectangular flow channel is investigated experimentally and theoretically in this research. A flow channel, varying from 22 mm × 5.84 mm to 3 mm × 5.84 mm (width × thickness) cross-sectional geometry was...