Abstract
Since absorber manufacturers cannot provide the absorption coefficients for all possible mounting conditions, acousticians have difficulties knowing the absorption characteristics of their own configurations. This paper aims to predict the Sabine absorption coefficient for various mounting conditions by extracting the air flow resistivity of the test specimen and the frequency-dependent effect of the chamber on the measured absorption coefficients. Two homogeneous fibrous absorbers are measured for experimental validation, showing good agreements between the predictions and measurements
| Original language | English |
|---|---|
| Title of host publication | Proceedings of the 24th International Congress on Sound and Vibration |
| Number of pages | 6 |
| Publication date | 2017 |
| ISBN (Electronic) | 978-1-906913-27-4 |
| Publication status | Published - 2017 |
| Event | The 24th International Congress on Sound and Vibration - Park Plaza Westminster Bridge Hotel, London, United Kingdom Duration: 23 Jul 2017 → 27 Jul 2017 |
Conference
| Conference | The 24th International Congress on Sound and Vibration |
|---|---|
| Location | Park Plaza Westminster Bridge Hotel |
| Country/Territory | United Kingdom |
| City | London |
| Period | 23/07/2017 → 27/07/2017 |
Keywords
- Fibrous absorbers
- Sabine absorption coefficient
- Flow resistivity extraction
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