PIV and LDV evidence of hydrodynamic instability over a liner in a duct with flow

@article{Marx2010PIVAL,
  title={PIV and LDV evidence of hydrodynamic instability over a liner in a duct with flow},
  author={D. Marx and Y. Aur{\'e}gan and H. Bailliet and J. Vali{\`e}re},
  journal={Journal of Sound and Vibration},
  year={2010},
  volume={329},
  pages={3798-3812}
}
The acoustical behavior and the flow in a rectangular lined channel with grazing flow have been investigated. The liner consists of a ceramic structure of parallel square channels and is locally reacting. In the absence of flow, the liner has a classical behavior: the acoustic transmission coefficient has a minimum at the resonance frequency of the resonators. When the Mach number of the grazing flow increases, the material behavior becomes unclassical in the sense that its acoustic… Expand
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  • X. Dai
  • Physics
  • Journal of Fluid Mechanics
  • 2019
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