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Cross-sectional flow visualizaton in the water supply tank: water supply and drain pipes are at one end of the tank and a diverging nozzle is installed in the inlet pipe

Project: Visualization of Mechanical Processes
Journal: Visualization of Mechanical Processes: An International Online Journal
Article: FLOW VISUALIZATION AND DISPLACEMENT EFFICIENCY OF OLD WATER IN A CYLINDRICAL WATER SUPPLY TANK
Topics: Turbulence, Flow-structure interaction, Heat and mass transfer and fluid flow in microgravity, Visualization techniques

A new water supply tank with a diverging nozzle installed in the inlet pipe and a circular baffle plate installed in front of the outlet pipe, which is supposed to supply drinking water in the event of a natural disaster, is developed. The effects of the structure and positions of inlet/outlet pipes and the temperature of the inlet water on the displacement efficiency of the tank are shown by means of flow visualization using a planar laser-induced-fluorescence (LIF) technique.