Browsing Mechanical & Manufacturing Eng (Theses and Dissertations) by Subject "Acoustic Metamaterials"

Now showing items 1-2 of 2

    • A 3D printed acoustic metamaterial liner to reduce low-frequency aeroengine noise 

      Ross, Eoghan Paul (Trinity College Dublin. School of Engineering. Discipline of Mechanical & Manuf. Eng, 2023)
      As the level of air travel continues to increase, so too does the demand for better noise-reduction technologies for aircraft. The environmental noise produced by aircraft has been shown to have a significant adverse effect ...

    • Plate-type Acoustic Valve Resonator for, Low-frequency Sound Absorption 

      Hossain, Md Robiul (Trinity College Dublin. School of Engineering. Discipline of Mechanical & Manuf. Eng, 2024)
      Plate-type acoustic metamaterials with deep-subwavelength thickness have generated considerable enthusiasm for addressing low-frequency noise. These metamaterials can be tailored to obtain high absorption efficiency by ...