ÖZER, EMRE (2021) Energy harvesting possibilities with acoustic metamaterials. Master's Thesis / Essay, Mechanical Engineering.
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Abstract
Manipulating acoustic waves, especially at low frequencies, has been a challenging task for engineers. Conventional materials are unable to provide sufficient sound isolation since signals with longer wavelengths require wider structures to achieve the desired absorption, which is often infeasible for many applications. Acoustic metamaterials is an emerging research field that aims to design meta structures with specifically adjusted material parameters (i.e. negative effective density, negative effective bulk modulus etc.). As a result, the overall structure exhibits desired properties that allow advanced control over acoustic waves that can not be achieved with standard materials. Even though acoustic waves do not carry a significant amount of energy, the wideness of application areas, such as sound absorbers near highways or airports, creates a possibility to generate a considerable supply of energy from low-frequency sound waves. This study aims to investigate the possibility of converting acoustic waves into electricity with means of acoustic metamaterials designed to attenuate low-frequency sound.
| Item Type: | Thesis (Master's Thesis / Essay) |
|---|---|
| Supervisor name: | Krushynska, A.O. and Vakis, A. |
| Degree programme: | Mechanical Engineering |
| Thesis type: | Master's Thesis / Essay |
| Language: | English |
| Date Deposited: | 29 Jul 2021 07:27 |
| Last Modified: | 30 Jul 2021 12:20 |
| URI: | https://fse.studenttheses.ub.rug.nl/id/eprint/25229 |
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