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Koizumi, T., Tsujiuchi, N. and Adachi, A. (2002) The Development of Sound Absorbing Materials Using Natural Bamboo Fibers, High Performance. WIT Press, Southampton.

has been cited by the following article:

  • TITLE: Influence of Density on Sound Absorption Coefficient of Fibre Board

    AUTHORS: Anand Nandanwar, M. C. Kiran, K. Ch. Varadarajulu

    KEYWORDS: Sound Absorption Coefficient, Sound Transmission Loss, Acoustic Efficiency, Panel Products

    JOURNAL NAME: Open Journal of Acoustics, Vol.7 No.1, January 26, 2017

    ABSTRACT: For acoustic applications such as theaters, cinema halls, auditoriums the data on acoustic properties i.e. sound absorption coefficient and sound transmission loss are required to evaluate the acoustic behavior of panel products and to facilitate the necessary design computations. Fibre boards are widely used in private and commercial buildings, but not much data are available on acoustic efficiency of fibre boards. The study was carried using acoustic pulse tester based on standing wave method for evaluating sound absorption coefficient. Wood fibre boards of different densities ranging from 200 to 800 kg/m3 were taken and their sound absorption coefficients at frequencies ranging from 125 Hz to 4000 Hz were evaluated in third octave band. Noise reduction coefficient of the samples was also computed. From the study, it is observed that low density fibre board possess high sound absorption coefficient and noise reduction coefficient when compared with high density fibre boards. It was seen that sound absorption coefficient increases with decrease in density and vice versa.