Non-Intrusive Experimental Setup for Inflatable Dam Modelsby T. A. Economides, Virginia Polytechnic Inst and State, Univ, Blacksburg, United States,
D. A. Walker, Virginia Polytechnic Inst and State, Univ, Blacksburg, United States,
Abstract: A method which allows for a non-intrusive evaluation of the dynamic response of the inflatable dams under overflow and impounding water conditions is presented. The internal pressure variations were measured and showed a good response characteristic of inflatable structure. Flow visualization of the dam was based on HeNe laser light sheets and entrapped air-bubbles and water-borne debris. Average velocity measurements were also presented. A specialized timer/camera setup was utilized to non-intrusively check the oscillations of the structure, using video images which were digitized and enhanced.
Subject Headings: Imaging techniques | Dams | Flow measurement | Pressure measurement | Flow visualization | Water flow | Lasers | Fluid flow
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