72th Annual Meeting of the APS Division of Fluid Dynamics (November 23, 2019 — November 26, 2019)

P0001: Effect of Partitions on Glycerin Flow in Thin Enclosures

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Authors

• Said Shakerin, Department of Mechanical Engineering, University of the Pacific

DOI: https://doi.org/10.1103/APS.DFD.2019.GFM.P0001

The objective was to investigate the effect of partitions on the overall visual impact of flow of glycerin in thin enclosures (1.6 mm spacing). Several acrylic enclosures with different styles of partitions were made (only four shown on the poster but more on display at the meeting). Each enclosure contains equal volumes of dyed glycerin and air. Upon being turned upside down, glycerin flows down and air pockets rise up, demonstrating a number of interfacial phenomena such as surface tension effect, drop formation, wetting, flattened bubble dynamics, and instability due to density differential. Although all partitions altered and created visually engaging interactions between the two fluids, the multi-parallel partitions (image with red food color) produced the most intriguing case, e.g., pressure fluctuations among columns.