Sound absorption and transmission loss properties of open-celled aluminum foams with stepwise relative density gradients

  title={Sound absorption and transmission loss properties of open-celled aluminum foams with stepwise relative density gradients},
  author={Amulya Lomte and Bhisham Sharma and Marie Drouin and Denver Schaffarzick},
  journal={Applied Acoustics},


Preparation and Characterization of Gradient Compressed Porous Metal for High-Efficiency and Thin-Thickness Acoustic Absorber
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Sound absorption of cellular metals with semiopen cells.
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The acoustic absorption characteristics of foamed aluminum and the effect of its structural parameters on the characteristics have been investigated. The results indicate that the acoustic absorption
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Two innovative fan-noise reduction concepts developed by NASA are presented - soft vanes and over-the-rotor metal foam liners. Design methodologies are described for each concept. Soft vanes are
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