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Studies on Infrasound Noise Generated by Operation οf Low-Power Wind Turbine

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Pierzga R., Boczar T., Wotzka D., Zmarzły D.

Acta Physica Polonica A

2013

vol. 124

issue 3

542-545

Subject matter of this paper deals with issues of the environmental impact of infrasound noise associated with operation of low-power wind turbines. It is now the current and relevant problem for both the cognitive and utilitarian standpoint. There is now a considerable growth in the number of such installations in Poland, Europe and in the world, due to the possibility of locating them on existing building roofs in heavily urbanized areas, and without having to build additional supporting structures. As part of the study, measurements of low frequency acoustic signals generated during operation of micro turbine equipped with a rotor of vertical axis of rotation relative to the wind direction have been performed. Analyses were carried out in order to determine the impact of wind speed and selected meteorological parameters on the level of infrasound signals emitted by the test turbine. In addition, frequency analysis of the recorded signals was performed. Then, the obtained results were subjected to comparative analysis. In summary, the achieved results were referred to the limits of sound pressure intensity level of infrasound signals as specified for the working environment in accordance with the Polish Standard PN-Z-01338.

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1 Acta Physica Polonica A

1 2013

1 Boczar T.

1 Pierzga R.

1 Wotzka D.

1 Zmarzły D.

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Studies on Infrasound Noise Generated by Operation οf Low-Power Wind Turbine