Resource Documents by Huson, Les
Stationary wind turbine infrasound emissions and propagation loss measurements
Summary. Microbarometers have been used to quantify the infrasonic emissions (0.05Hz to 20Hz) from five wind farms in Victoria, Australia. The wind farms measured include; Macarthur wind farm (140 turbines type Vestas V112 3MW); Cape Bridgewater (29 turbines type MM82 2MW); Leonards Hill (2 turbines type MM82 2MW); Mount Mercer (64 turbines type MM92 2MW), and; Waubra (128 turbines 3 types of Acciona Windpower 2MW). Upwind indoor measurements at the Macarthur wind farm during an unplanned shutdown from full power . . . Complete article »
Navitus Bay Wind Park submission: infrasound
This information is provided to assist the relevant authorities when assessing the Navitus Bay Wind Park development. I have completed a number of infrasound measurements in Australia, the UK and Ireland that were designed to assess the acoustic imissions in the surrounding communities. I was lucky to have deployed my infrasound recording equipment inside a home 1.6km upwind from the Macarthur wind farm in Victoria, Australia when there was a full unintended shutdown due to a substation failure when the . . . Complete article »
Amplitude Modulation Case Study at the Leonards Hill Wind Farm, Victoria, Australia
Results of two-channel simultaneous audio recordings outdoors in the free field and inside a bedroom are presented from the Leonards Hill wind farm that has two Repower 2MW MM82 wind turbines, which are approximately 700m from the dwelling. The analysis demonstrates the dynamic effects of amplitude modulation on attenuation of sound between the two measurement locations and shows how outdoor to indoor attenuation is compromised at particular room resonant modes. Different measurement approaches are discussed with the conclusion that a . . . Complete article »
Review: Flyers Creek Wind Farm Approval
This report presents infrasound measurements and results from attenuation testing of rural properties in Australia and New Zealand that indicate that the Director General’s Environmental Assessment report dated 25 November 2013 may have been ill informed. Suggestions have been made to redress the perceived problems with modifications to the proposed noise conditions. Issues such as amplitude modulation and infrasound should be included within the noise conditions, and the noise targets to protect the health of residents should be clearly identified. . . . Complete article »
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