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On determining the acoustic properties of main helicopter rotor models on an open test bench

  • Acoustic Ecology. Noise and Vibration
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Abstract

The paper presents the results of experimental studies on developing a technique to determine the acoustic properties of models of main helicopter rotors on an open test bench. The method of maximum length sequences is used to choose the optimum arrangement of microphones for an open test bench that would minimize the influence of parasitic echo. The results of processing the data of an acoustic experiment with a model rotor are detailed.

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Authors and Affiliations

  1. Central Aerohydrodynamic Institute, Moscow Research and Development Complex, ul. Radio 17, Moscow, 105005, Russia

    V. F. Kop’ev, M. Yu. Zaitsev, N. N. Ostrikov, S. L. Denisov & S. Yu. Makashov

  2. Perm National Research Polytechnical University, Komsomol’skii pr. 29, Perm, 614990, Russia

    V. F. Kop’ev, M. Yu. Zaitsev & N. N. Ostrikov

  3. Kamov Design Bureau, Krasnopresnenskaya nab. 12, Moscow, 123610, Russia

    V. A. Anikin & V. V. Gromov

Authors
  1. V. F. Kop’ev
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  2. M. Yu. Zaitsev
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  3. N. N. Ostrikov
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  4. S. L. Denisov
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  5. S. Yu. Makashov
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  6. V. A. Anikin
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  7. V. V. Gromov
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Corresponding author

Correspondence to V. F. Kop’ev.

Additional information

Original Russian Text © V.F. Kop’ev, M.Yu. Zaitsev, N.N. Ostrikov, S.L. Denisov, S.Yu. Makashov, V.A. Anikin, V.V. Gromov, 2016, published in Akusticheskii Zhurnal, 2016, Vol. 62, No. 6, pp. 725–730.

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Kop’ev, V.F., Zaitsev, M.Y., Ostrikov, N.N. et al. On determining the acoustic properties of main helicopter rotor models on an open test bench. Acoust. Phys. 62, 741–746 (2016). https://doi.org/10.1134/S1063771016050043

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  • DOI: https://doi.org/10.1134/S1063771016050043

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