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Resource Documents by Nguyen, Phuc

Hansen, Kristy; Nguyen, Phuc; Zajamsek, Branko; Micic, et al.
Pilot study on perceived sleep acceptability of low-frequency, amplitude modulated tonal noise
Abstract— The global expansion of wind farm facilities has been associated with community complaints regarding sleep disturbance. This may be related to the presence of amplitude modulation (AM) in wind turbine noise (WTN), which has been shown to result in increased annoyance. However, at present, it is unknown whether acceptability for sleep is judged differently to annoyance or if AM may be more problematic for sleep than other noise types. Previous studies have also focused predominantly on ‘swish’ noise rather . . . Complete article »

Hansen, Kristy; Nguyen, Phuc; Zajamšek, Branko; Catcheside, Peter; and Hansen, Colin
Prevalence of wind farm amplitude modulation at long-range residential locations
Abstract: The presence of amplitude modulation (AM) in wind farm noise has been shown to result in increased annoyance. Therefore, it is important to determine how often this characteristic is present at residential locations near a wind farm. This study investigates the prevalence and characteristics of wind farm AM at 9 different residences located near a South Australian wind farm that has been the subject of complaints from local residents. It is shown that an audible indoor low-frequency tone was . . . Complete article »

Nguyen, Phuc; Hansen, Kristy; and Zajamšek, Branko
Characterizing tonal amplitude modulation of wind farm noise
[ABSTRACT] In addition to the overall noise level, periodic variations in the loudness of wind turbine noise, known as Amplitude Modulation (AM), also significantly contribute to the annoyance experienced by residents living near wind farms. Due to the high dependence of AM on meteorological conditions and the type of wind turbines, the level and duration of AM are hard to predict. These characteristics have an important impact on the annoyance response of residents. The level of annoyance is expected to . . . Complete article »

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