As airline travel peaks for the Thanksgiving holiday, a newly completed wind tunnel at the University of Florida may help reduce the noise of commercial airplanes as they fly over homes and neighborhoods.
The tunnel is one of only a handful in the country and currently the largest at a university designed specifically to reduce noise from planes passing overhead and landing. Engineers will use the $400,000 tunnel to learn how to reduce the noise caused by the flow of air over wings, flaps and landing gear – the primary sources of the annoying sound that reaches people on the ground when planes are landing.
“During approach for landing, the dominant noise comes from the airframe as opposed to the jet engines,” said Lou Cattafesta, a UF associate professor of mechanical and aerospace engineering. “We need to understand where the noise is coming from, how it is generated and how we can reduce it. That’s what this facility is geared toward doing.”
Lou Cattafesta | EurekAlert!
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At the JEC World Composite Show in Paris in March 2018, the Fraunhofer Institute for Laser Technology ILT will be focusing on the latest trends and innovations in laser machining of composites. Among other things, researchers at the booth shared with the Aachen Center for Integrative Lightweight Production (AZL) will demonstrate how lasers can be used for joining, structuring, cutting and drilling composite materials.
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Scientists at Tokyo Institute of Technology (Tokyo Tech) and Tohoku University have developed high-quality GFO epitaxial films and systematically investigated their ferroelectric and ferromagnetic properties. They also demonstrated the room-temperature magnetocapacitance effects of these GFO thin films.
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