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Dr. Seyed Saddoughi, the principal engineer of Aero-Thermal & Mechanical Systems at GE Global Research, inspects one of his creations. His research team developed a propeller by attaching an innovative electromechanical device to a rotatable arm. 
The device is a piezoelectric bellows, made of two slightly separated metallic sheets that suck in and expel air when electrified. Their motion generates a jet of air that powers the propellor up to 1,000 rotations per minute.
The work is part of their investigations into advanced active flow and combustion control.

Dr. Seyed Saddoughi, the principal engineer of Aero-Thermal & Mechanical Systems at GE Global Research, inspects one of his creations. His research team developed a propeller by attaching an innovative electromechanical device to a rotatable arm. 

The device is a piezoelectric bellows, made of two slightly separated metallic sheets that suck in and expel air when electrified. Their motion generates a jet of air that powers the propellor up to 1,000 rotations per minute.

The work is part of their investigations into advanced active flow and combustion control.

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    God I love practical science. Even when it is funded by a Fortune 500 company. The thing is…and I don’t know why at...
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