Thursday, June 02, 2005

Wind turbines and noise

Irish market researcher Research and Markets has announced a new journal, Low Frequency Noise, Vibration and Active Control:
"The considerable and growing interest in the phenomena of low frequency noise and vibration and their powerful effects on man, animals and the environment, spreads across several disciplines; studies of these topics are to be found at present in the periodical literature of acoustics, geophysics, architecture, civil and mechanical engineering, psychology and zoology. This quarterly journal brings together material which otherwise would be scattered: the journal is the cornerstone of the creation of a unified corpus of knowledge on the subject."
This is not to say that industrial wind turbines (with 40-ton 80-meter-diameter rotors resisting an acre of wind to turn a gearbox and generator in a 55-ton nacelle on top of a 70-meter tower) are a possible source of such noise and vibration (after all, the only evidence is the testimony of people who live near them). But it does underscore the seriousness of the concern. There is a conference in October about wind turbines and noise at which some papers will address the issue.

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