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But I thought Wind Turbines didn’t make any noise???

Has the wind industry been *gasp* LYING to the public all this time?

Wind turbine efficiency achieved through noise reduction

Knovel — August 20, 2013

The wider adoption and acceptance of wind power as a source of energy generation could be on the horizon if engineering research into turbine noise reduction proves successful.

GE Global Research, the technology development division of American multinational corporation General Electric, has partnered with New Mexico-based Sandia National Laboratories in an attempt to solve one of the perceived barriers to wind power implementation – the noise that they make. According to Clean Technica, both parties are looking at ways to reduce the level of aerodynamic sounds produced during standard operation, which engineers believe will also increase efficiency.

Renewable future With renewable energy sources now considered by many environmentalists to be the logical replacement for coal-fired power plants, there has been a concerted effort by utility companies and state agencies to increase the number of facilities available. At the same time, however, there have been numerous examples of communities and individuals complaining that wind turbines make an annoying thumping sound when they are turning, with a number of projects across the country currently on hold as a result.

There is, of course, no doubt that turbines do make sounds when turning, primarily due to the fact that the flow of air over a gently spinning blade is always going to create some level of vibration which manifests itself as noise. There have been a number of studies published into the decibel levels produced by wind turbines, with the general consensus being that an individual turbine can have a sound pressure level of between 40-45 decibels.  Read full article, here….

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One Comment on “But I thought Wind Turbines didn’t make any noise???”

  1. Carl September 24, 2013 at 7:03 am #

    They are relatively quiet. Take example like traffic etc.

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