Development of an Acoustic Metamaterials for Aero Acoustic Noise Control

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S. Rezaei; M. Eskandari-Ghadi; M. Rahimian;
(2017)
  • Publisher: Isfahan University of Technology
  • Journal: Journal of Applied Fluid Mechanics (issn: 1735-3572)
  • Publisher copyright policies & self-archiving
  • Subject: Mechanical engineering and machinery | TJ1-1570 | Phononic crystal; Acoustic band gaps; Passive control; Piezoelectricity; Low frequency regime shielding.
    arxiv: Physics::Optics

This paper aims at proposing a novel type tunable acoustic metamaterials with complete band gap composed of piezoelectric rods (Lithium Niobate) with square array as inclusion embedded polyimide aerogel background. The plane wave expansion method and the principles of B... View more
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