Sound can be used to control the flow of air over an aircraft’s wing greatly boosting its lift, according to Ian Salmon, a Sydney aerospace engineer who is working on applying this idea to a new generation of light aircraft.
Ian has developed a technique whereby a wing is covered with flexible plastic panels which vibrate when an electric current is passed through them, and produce sound. At a carefully selected frequency, the air passing over the wing can be made to remain more closely attached, increasing the wing’s efficiency.
Ian presented his work to the public and media as part of Fresh Science, a national program that highlights the work of early-career researchers. One of the Fresh Scientists will win a trip to the UK courtesy of the British Council to present their work to the Royal Institution
Niall Byrne | alfa
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