<abstract xmlns="http://www.w3.org/1999/xhtml"><p>The contribution deals with measurement of acoustic absorption coefficient for different single or double-layer materials: cork, two layers of polyethylene, polyethylene and felt. The measurement was performed on an impedance tube of our own construction, using the two-microphone method transfer function (ISO 10534-2: 1998) and the PULSE measuring system. Values of the acoustic absorption coefficient for the frequencies from 100 Hz to 1600 Hz were determined experimentally. Subsequently, those values were processed graphically.</p></abstract>

The contribution deals with measurement of acoustic absorption coefficient for different single or double-layer materials: cork, two layers of polyethylene, polyethylene and felt. The measurement was performed on an impedance tube of our own construction, using the two-microphone method transfer function (ISO 10534-2: 1998) and the PULSE measuring system. Values of the acoustic absorption coefficient for the frequencies from 100 Hz to 1600 Hz were determined experimentally. Subsequently, those values were processed graphically.

Measurement of the Acoustic Absorption Coefficient by Impedance Tube

Slovak University of Technology in Bratislava

Faculty of Materials Science and Technology in Trnava, Institute of Applied Informatics, Automation and Mechatronics

Research Papers Faculty of Materials Science and Technology Slovak University of Technology

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

{"article-title":"Measurement of the Acoustic Absorption Coefficient by Impedance Tube"}

The contribution deals with measurement of acoustic absorption coefficient for different single or double-layer materials: cork, two layers of polyethylene,...

Measurement of the Acoustic Absorption Coefficient by Impedance Tube

Data publikacji: 16 gru 2019

Zakres stron: 94 - 101

Otrzymano: 23 sie 2019

Przyjęty: 10 paź 2019

DOI: https://doi.org/10.2478/rput-2019-0031

Słowa kluczowe
Impedance tube, acoustic absorption coefficient, transfer function, system PULSE

© 2019 Eva Labašová et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Measurement of the Acoustic Absorption Coefficient by Impedance Tube

Data publikacji: 16 gru 2019

Zakres stron: 94 - 101

Otrzymano: 23 sie 2019

Przyjęty: 10 paź 2019

DOI: https://doi.org/10.2478/rput-2019-0031

Słowa kluczoweImpedance tube, acoustic absorption coefficient, transfer function, system PULSE

© 2019 Eva Labašová et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Słowa kluczowe
Impedance tube, acoustic absorption coefficient, transfer function, system PULSE