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2014 | 125 | 4A | A-113-A-116

Article title

The Application of Double-layer Curtains for Shaping Acoustics of Concert Halls

Content

Title variants

Languages of publication

EN

Abstracts

EN
Requirements concerning adjustment of acoustical parameters are nowadays more and more frequently numbered among design assumptions adopted for newly constructed concert halls and other auditoriums planned to play different functions. Investors usually require that the newly designed interiors can be used for such different purposes as playing orchestral music, performing theatre spectacles, screening movies, or holding lectures. This means the necessity to undertake studies on new technologies allowing to excert effective control over acoustics of multipurpose auditoriums. This paper proposes to use acoustic curtains as an effective means of modification of acoustic absorptivity of rooms. A design solutions for such curtains is described together with basics of the theory allowing to predict their acoustic properties. Results of sound absorption coefficient calculations performed for selected systems on the grounds of airflow resistivity values assumed for the used fabrics are verified by means of results of measurements performed in the impedance tube. It is proven that double-layer curtains show more balanced sound absorption characteristics compared to single-layer curtains and therefore represent a more convenient option when used for acoustical adaptation of rooms. Based on model studies, design solutions with double-layer curtains is developed for two concert halls that allow to adjust acoustic properties of the interiors to the required functions.

Keywords

EN

Year

Volume

125

Issue

4A

Pages

A-113-A-116

Physical description

Dates

published
2014-04

Contributors

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

References

  • [1] L. Beranek, Concert halls and opera houses, Springer, New York 2002
  • [2] M. Long, Architectural acoustics, Elsevier, London 2006
  • [3] T. Kamisiński, J. Rubacha, A. Pilch, Acta Physica Polonica A 118, 83, (2010)
  • [4] P. Soltani, M. Zerrebini, Textile Research Journal 82, 875, (2012)
  • [5] Y.I. Hanna, M.M. Kandil, Applied Acoustics 34, 281, (1991)
  • [6] ISO 9053, Acoustics - Materials for acoustical applications - Determination of airflow resistance
  • [7] H. Kutruff, Room acoustic, Spon Press, London and New York 2009
  • [8] K.U. Ingard, Notes on sound absorption technology, Noise Control Foundation, 1994
  • [9] T. Wu, T.J. Cox, Y.W. Lam, J. Acoust. Soc. Am. 108, 643 (2000), doi:10.1121/1.429596
  • [10] T.J. Cox, P. D'Antonio, Acoustic Absorbers and Diffusers, Theory, design and application, Taylor & Francis, Abingdon 2009
  • [11] T. Kamisiński, K. Brawata, A. Pilch, J. Rubacha, M. Zastawnik, Archives of Acoustics 37, 317 (2012), doi:10.2478/v10168-012-0040-5
  • [12] ISO 10534-2:1998, Acoustics - Determination of sound absorption coefficient and impedance in impedance tubes - Part 2: Transfer-function method
  • [13] ISO 3382-1:2009, Acoustics - Measurement of room acoustic parameters - Part 1: Performance spaces
  • [14] J. Rubacha, A. Pilch, M. Zastawnik, Archives of Acoustics 37, 483 (2012), doi:10.2478/v10168-012-0060-1

Document Type

Publication order reference

YADDA identifier

bwmeta1.element.bwnjournal-article-appv125n4a22kz
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