Creation of an “interferometer” installation at MAI to study the acoustic properties of sound-absorbing materials and liners
An “interferometr” installation with a normal incidence of sound waves has been created in the laboratory of “Vibroacoustics and acoustic design of aviation technology” at MAI to study the acoustic characteristics of sound-absorbing materials and structures. The equipment and main characteristics of...
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| Main Authors: | , , |
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| Format: | Article |
| Language: | English |
| Published: |
EDP Sciences
2025-01-01
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| Series: | EPJ Web of Conferences |
| Online Access: | https://www.epj-conferences.org/articles/epjconf/pdf/2025/06/epjconf_apitech-vii2025_01011.pdf |
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| Summary: | An “interferometr” installation with a normal incidence of sound waves has been created in the laboratory of “Vibroacoustics and acoustic design of aviation technology” at MAI to study the acoustic characteristics of sound-absorbing materials and structures. The equipment and main characteristics of the created installation are not inferior to the leading analogues of Bruel&Kjaer, BSWA, Mecanum, Acoustic Awareness, Müller-BBM Industry Solutions GmbH, as well as previously developed and used in the Russian Federation. A comparison was made of the acoustic characteristics of samples of sound-absorbing structures and materials similar in geometric parameters, obtained at the MAI “interferometer” installation and data published in the open press. |
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| ISSN: | 2100-014X |