Analysis of directional radiation patterns of a system of flat plane sound sources

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Authors

  • Zbigniew ENGEL Institute of Mechanics and Vibroacoustics of the Academy of Mining and Metallurgy in Cracow, Poland
  • Lesław STRYCHNIEWICZ Institute of Mechanics and Vibroacoustics of the Academy of Mining and Metallurgy in Cracow, Poland

Abstract

This paper presents a method of determining directional radiation patterns of a system of arbitrary flat surface sound sources, source vibration velocities phase shifted by an arbitrary angle. Also the results of verification studies of this method for a system of two circular pistons are presented.

References

[1] S. CZARNECKI, Z. ENGEL, R. PANUSZKA, Acoustical power measurements of a piston in a near field with the application of the correlation method, Archives of Acoustics, 11, 3, 261-273 (1976) (in Polish).

[2] Z. ENGEL, R. PANUSZKA, Methods of investigating sound emission through a circular late, Mechanika, 1, 59-74 (1982) (in Polish).

[3] Z. ENGEL, R. PANUSZKA, L. STRYCZNIEWICZ, Investigations of acoustical energy emission a system of flat plane sound sources, CIOP Proceedings, 125, 63-72 (1985) (in Polish).

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