Metrological capabilities of the acoustic testing laboratory - small anechoic chamber at the AGH Department of Mechanics and Vibroacoustics

• Autorzy: Kłaczyński Maciej , Wszołek Wiesław

Identyfikatory

DOI

10.21008/j.0860-6897.2022.2.17

• Języki publikacji: EN

Abstrakty

EN

The small anechoic chamber is part of the research facilities of the Department of Mechanics and Vibroacoustics in AGH University of Science and Technology in Krakow and is a room corresponding to a free field, whose walls, ceiling and floor provide both very good sound absorption and isolation from external interference. The dimensions of the free space inside the chamber are 4.4 m x 3.8 m. x 3.6 m. The chamber was commissioned in the mid-1980s and has not undergone upgrades since. In December 2021, the upgrade of the small anechoic chamber was completed. As particularly important was the replacement of 5.5 thousand pieces of acoustic wedges made of polyurethane foam, which due to the aging process lost their sound-absorbing properties, for wedges made of mineral wool with glass fiber, adjustment of lighting inside the chamber to current standards, as well as equipping the chamber with a signal crossover and devices to regulate and monitor meteorological conditions inside the chamber. The paper presents a study of the properties of the small anechoic chamber in accordance with accepted standards for this type of rooms and its current research capabilities in the field of vibroacoustics in technology and medicine.

Słowa kluczowe

EN

anechoic chamber; acoustic testing laboratories; acoustic wedges; acoustic metrology

PL

komora bezodbiciowa; laboratoria akustyczne; kliny akustyczne; metrologia akustyczna

• Wydawca: Poznan University of Technology. Institute of Applied Mechanics
• Czasopismo: Vibrations in Physical Systems
• Rocznik: 2022
• Tom: Vol. 33, nr 2
• Strony: art. no. 2022217
• Opis fizyczny: Bibliogr. 15 poz., fot. kolor., rys., wykr.

Twórcy

autor

Kłaczyński Maciej

• AGH University of Science and Technology, Faculty of Mechanical Engineering and Robotics, Department of Mechanics and Vibroacoustics, al. Mickiewicza 30, 30-059 Krakow, Poland

• https://orcid.org/0000-0002-2009-1216

autor

Wszołek Wiesław

• AGH University of Science and Technology, Faculty of Mechanical Engineering and Robotics, Department of Process Control, al. Mickiewicza 30, 30-059 Krakow, Poland

• https://orcid.org/0000-0002-9736-1106

Bibliografia

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Uwagi

Opracowanie rekordu ze środków MEiN, umowa nr SONP/SP/546092/2022 w ramach programu "Społeczna odpowiedzialność nauki" - moduł: Popularyzacja nauki i promocja sportu (2022-2023).