Propagation of the Second Harmonic in Finite Amplitude Infrasonic Wave in the Horn and the Method of Extinguishing It

Authors

  • Galyna Ivanovna Sokol Department of Physics and Technology, Dniprovs’k National University (Named of Oles Honchar), Dnipro, Ukraine.
  • Denys Viktorovych Mykhalov Department of Physics and Technology, Dniprovs’k National University (Named of Oles Honchar), Dnipro, Ukraine.
  • Zagrevskyi Egor Olegovich Department of Physics and Technology, Dniprovs’k National University (Named of Oles Honchar), Dnipro, Ukraine.
  • Volodymyr Stepanovych Dudnikov Department of Physics and Technology, Dniprovs’k National University (Named of Oles Honchar), Dnipro, Ukraine.
  • Andrey Volodymyrovich Sokol “Yuzhnoye” Design Office, Dnipro, Ukraine.

DOI:

https://doi.org/10.9734/bpi/cppsr/v4/6220C

Keywords:

Finite amplitude wave, air-horn, acoustic signal, infrasound propagation, amplitude of the second harmonic, nonlinear distortion coefficients, method of extinguishing

Abstract

The purpose of the study is the changes of acoustic pressure amplitude of the second harmonic in the horn at excitation in horn throat of the finite amplitude wave as well as a determination of the coordinate of the horn’s axial section at which the amplitude reaches its maximum value. The analytical expressions allowing analyzing the laws of increase and decrease of the second harmonic at excitation of the finite amplitude wave in the air-horn are obtained. The distance where the second harmonic propagating along the air-horn reaches its maximum is determined. Comparative analysis for air-horns of different shapes is performed. The frequency of the acoustic signal in such a mouthpiece is 20 Hz. The frequency of the second harmonic of acoustic signals 40 Hz. Method of extinguishing of second harmonic is developed.

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Published

2023-11-21

How to Cite

Galyna Ivanovna Sokol, Denys Viktorovych Mykhalov, Zagrevskyi Egor Olegovich, Volodymyr Stepanovych Dudnikov, & Andrey Volodymyrovich Sokol. (2023). Propagation of the Second Harmonic in Finite Amplitude Infrasonic Wave in the Horn and the Method of Extinguishing It. Current Perspective to Physical Science Research Vol. 4, 1–20. https://doi.org/10.9734/bpi/cppsr/v4/6220C

Issue

Current Perspective to Physical Science Research Vol. 4

Section

Chapters