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Low-frequency outdoor–indoor noise level difference for wind turbine assessment
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Abstract: To increase the understanding of wind turbine noise on sleep, human physiological reactions need to be studied in a controlled laboratory setting. The paper presents an outdoor–indoor noise level difference as a function of frequency, applicable to creating wind turbine indoor sounds with the outdoor sounds as input. For this, a combination of measurement data and modeling results has been used. The suggested data are provided in a table.
Fig. 3. Plotted indoor spectra together with the used outdoor spectrum. The finally used spectrum is the one called “Indoor WiTNES.” Included in the graph are the corresponding indoor spectra when applying the Lindkvist and Møller data.
Pontus Thorsson, Division of Applied Acoustics, Chalmers University of Technology and Akustikverkstan AB, Lidköping, Sweden
Kerstin Persson Waye, Michael Smith, and Mikael Ögren, Occupational and Environmental Medicine, Sahlgrenska Academy, University of Gothenburg, Sweden
Eja Pedersen, Environmental Psychology, Department of Architecture and Built Environment, LTH, Lund University, Sweden
Jens Forssén, Division of Applied Acoustics, Chalmers University of Technology, Göteborg, Sweden
Journal of the Acoustic Society of America 143 (3), March 2018
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