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Non-Intrusive Experimental Setup for Inflatable Dam Models

by T. A. Economides, Virginia Polytechnic Inst and State, Univ, Blacksburg, United States,
D. A. Walker, Virginia Polytechnic Inst and State, Univ, Blacksburg, United States,



Document Type: Proceeding Paper

Part of: Fundamentals and Advancements in Hydraulic Measurements and Experimentation

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: Dams | Computer vision and image processing | Flow visualization | Flow measurement | Pressure measurement | Lasers | Head (fluid mechanics)

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