A Journal of Postdoctoral Research.
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    ISSN : 2328-9791
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Recently investigated subsonic and supersonic jet noise reduction techniques
Ching-Wen Kuo,
Pennsylvania State University
Department of Aerospace Engineering, Pennsylvania State University, University Park, PA, USA.
The noise generated by commercial airplanes and high performance military aircraft has been a critical environmental problem for decades. One of the noise sources emitted by the aircraft is jet noise. For an aircraft propelled by jet engines, jet noise radiates while the jet plume is exhausted from the nozzle exit. (Nozzle is the end section of jet engine where air enters into the engine inlet and is exhausted to the ambient from the nozzle.) There are two dominant jet noise source mechanisms, turbulent mixing noise and broadband shock-associated noise. Broadband shock-associated noise is emitted only in off-design supersonic jets where shock cells appear in the jet plume. This research highlight describes....

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