Noise Suppressor For Jet Engines In the Works

Noise Suppressor For Jet Engines In the Works 

Good news for anyone living near an airport: someone’s just thought of a way to quiet down those noisy jet planes. Dimitri Papamoschou at the University of California filed a patent earlier this year for a jet-engine silencer. Recognizing that a great deal of the noise jets create is due to turbulence in fast-flowing air from the engine, he clever devised a way to separate the expunged air into two channels of high and low speeds, putting the fast stuff up top so the noise is directed upwards. If it works noise on the ground could be reduced by more than half (about 6 dB).

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