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Effectiveness of combined aircraft engine noise suppressors

  • Acoustical Ecology. Noise and Vibration
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Abstract

We consider the design features of fan noise suppressors in application to air intakes and the bypass duct of a turbofan engine. A combined liner is developed that has increased acoustic efficiency in comparison to conventional honeycomb liner. We demonstrate the important role of the area of the sound-absorbing liner between fan Rotor and Stator ensuring significant noise reduction.

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Authors and Affiliations

  1. Central Institute of Aviation Motors, ul. Aviamotornaya 2, Moscow, 111116, Russia

    Yu. D. Khaletskiy

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  1. Yu. D. Khaletskiy
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Correspondence to Yu. D. Khaletskiy.

Additional information

Original Russian Text © Yu.D. Khaletskiy, 2012, published in Akusticheskii Zhurnal, 2012, Vol. 58, No. 4, pp. 556–562.

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Khaletskiy, Y.D. Effectiveness of combined aircraft engine noise suppressors. Acoust. Phys. 58, 510–515 (2012). https://doi.org/10.1134/S1063771012040094

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  • DOI: https://doi.org/10.1134/S1063771012040094

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