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Visualization studies using PIV in a cylindrical tank with and without vortex suppressor

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Abstract

Vortexing occurs during draining from tanks which reduces the rate of outflow. The phenomenon is augmented by initial rotation. The use of a vortex suppressor in a circular tank prevents vortexing. The reasons for the suppression of the vortexing are not clear. In this paper quantitative flow visualization results using PIV are presented which bring out the flow structure under various conditions. The suppressor leads to a faster decay in the rotational component.

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Shimpei Mizuki: He took his Engineering degree in 1967 and Masters in 1971 from Keio University. He also received his Ph.D. in 1974 from Keio University. He is at present Professor of Mechanical Engineering Dept., Faculty of Engineering, Hosei University. His current research interests are Internal Flow of Turbomachinery and Performance Characteristics of Micro Turbomachines and Gas Turbines.

Laksmana Gowda, B. H.: He took his Engineering degree in 1963 and Masters in 1965 from Indian Institute of Science. He obtained his Ph.D. in 1974 from Indian Institute of Technology, Madras. He is at present Professor of Applied Mechanics in IIT Madras. His research interests are: Turbulent Shear Flows, Flow-Induced Vibration, Flow Vizualisation and Wind Engineering.

Toshiyuki Uchibaba: He took his Engineering degree in 1998 and Masters in 2000 from Hosei University. He is now working in IBM Corporation.

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Mizuki, S., Gowda, B.H.L. & Uchibaba, T. Visualization studies using PIV in a cylindrical tank with and without vortex suppressor. J Vis 6, 337–342 (2003). https://doi.org/10.1007/BF03181740

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  • DOI: https://doi.org/10.1007/BF03181740

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