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<p>The problem of scattering of a plane sound wave by a diffraction grating consisting of semi-infinite thin screens located at the same distance from each other is considered. It is shown that at certain screen surface impedance values, the grating completely reflects the wave incident at any angle. The result is useful for the development of soundproof ventilated structures.</p>

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Reflection of a Sound Wave by an Array of Semi-Infinite Impedance Screens

  • 期刊论文

  • 发表日期：

    2025年12月1日

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  • N. G. Kanev,
  • A. R. Dolger

摘要

The problem of scattering of a plane sound wave by a diffraction grating consisting of semi-infinite thin screens located at the same distance from each other is considered. It is shown that at certain screen surface impedance values, the grating completely reflects the wave incident at any angle. The result is useful for the development of soundproof ventilated structures.