What is it about?
In this work use mathematical models to estimate the noise produced by a geometrically modified nozzle. Among various strategies, passive exhaust lip treatments have gained considerable attention for their potential to reduce mixing noise. Such modifications reduce mixing noise while minimizing their negative impact on engine performance.
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Why is it important?
The noise generated by aircraft is known to have deleterious effects on human health, including sleep disturbance and cardiovascular disease. Since it became a public health issue in the late 1960s, legislative controls have become systematically stricter over the years, demanding the development of quieter aircraft.
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This page is a summary of: Reduced-Order Model Prediction of Far-Field Mixing Noise From Internally-Notched Nozzles, May 2024, American Institute of Aeronautics and Astronautics (AIAA),
DOI: 10.2514/6.2024-3255.
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