An Efficiency Study of the Aerodynamic Sound Generators Suitable for Acoustic Particle Agglomeration

  • V. Vekteris Department of Mechanics and Materials Engineering, Vilnius Gediminas Technical University, Lithuania
  • D. Ozarovskis Department of Mechanics and Materials Engineering, Vilnius Gediminas Technical University, Lithuania
  • V. Moksin Department of Mechanics and Materials Engineering, Vilnius Gediminas Technical University, Lithuania
  • V. Turla Department of Mechatronics, Robotics and Digital Manufacturing, Vilnius Gediminas Technical University, Lithuania
  • E. Jurkonis Department of Mechatronics, Robotics and Digital Manufacturing, Vilnius Gediminas Technical University, Lithuania

Abstract

The object of this study is the acoustic field generated by aerodynamic acoustic generators of various types and designs. Six types of aerodynamic acoustic generators were studied experimentally and theoretically to determine the parameters of their generated acoustic field. It was established that the aerodynamic Hartmann type sound generator produces the necessary for acoustic particle agglomeration acoustic field and can be used in acoustic air cleaning equipment. It was established that classical theoretical calculation methods underestimate the design features of aerodynamic acoustic generators and cannot be used to calculate their characteristics.

Keywords: acoustic generator, frequency, sound pressure level

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