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Press Release 09-225

On the Crest of Wave Energy

Engineers use aerospace approach to design wave energy system

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Photo from far downstream end into the test section of the U.S. Air Force Academy water tunnel.

Shown is the view from the far downstream end into the test section of the U.S. Air Force Academy water tunnel. Three blades of the cycloidal turbine are visible at the far end. Engineer Stefan Siegel and his colleagues test the turbine using the tunnel, with both steady and oscillating flow conditions simulating a shallow-water wave-flow field.

Credit: SSgt Danny Washburn, U.S. Air Force Academy, Department of Aeronautics


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Photo of cycloidal turbine installed on top of test section of US Air Force Academy water tunnel.

A cycloidal turbine is installed on top of the test section of the U.S. Air Force Academy water tunnel. In the background, Manfred Meid (left) and Stefan Siegel (right) operate the turbine.

Credit: SSgt Danny Washburn, US Air Force Academy, Department of Aeronautics


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Photo of cycloidal turbine prototype with three blades.

A cycloidal turbine prototype with three blades (translucent, at bottom of image), is shown lifted out of of the tunnel. One of the blade pitch control servo amplifiers is visible in the foreground, and the servo motors can be seen in the top portion of the image.

Credit: SSgt Danny Washburn, US Air Force Academy, Department of Aeronautics


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