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Negating the Noise from Wind Turbines

Researchers at the 5mg levitra Fraunhofer Institute for Machine Tools and online ordering cialis Forming Technology IWU in Dresden have figured out a way to quiet down the whiney whirring of wind turbines by neutralizing vibrations coming from the central tower of the turbine. They’ve come up with a device that can be mounted to an existing turbine, which senses the vibrations and produces an “anti-sound” vibration, effectively pressing against the sound vibration to cancel it out.

The device could help out with getting more wind turbines into neighborhoods where the chief complaint of noise keeps turbines away. It would be inexpensive compared to buy generic viagra cheap other sound dampeners, which are more expensive the better they work, and none of which would work as well as this promising device. While the damper could adjust itself to varying vibration levels, testing is cheap cialis overnight delivery underway to see how the device holds up to higher speed winds.

via physorg; photo via chimothy

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Comments (6)Add Comment
written by Barry, August 20, 2008
This is one of the biggest reasons that people do not want to install wind turbines for residential use.

With this factor out of the equation will we see a more mainstream adoption of purchase viagra on line residential wind power? I think so...after all as this article shows:

The use of wind power in residential applications has more then tripled in a 1 year period. This can only be a good thing for the wind power industry.
Let's hope
written by Eddy De Clercq, August 21, 2008

Let's hope indeed that this would be finally the start for building more wind turbines. As said in this blog, Flanders (Belgium) doesn’t invest in wind mills. The current 123 units are peanuts compared to the 18000 mills in Germany and 1840 in The Netherlands. On top, for a private person, it’s rather impossible to install a private wind mill. There are a lot of mills suitable for domestic use. Despite the fact that the viagra dose size and yield of the little ones are perfectly within the limits, requests for a building permit are in general refused.

Info for DIY'ers
written by Mark, August 21, 2008
Any one with entry level skill and the right information may build a home turbine and residential generation is the future
Health Risks
written by Lisa, August 21, 2008
Also- there has been various studies on the health risks of humans and animals living in close range to large wind turbines- specifically the low energy sound vibrations created by the turbines and cheap levitra no prescription their effect on sleep patterns and general health. The results have not been so promising...
I'm wondering if this "anti-vibration" which is essentially using the buy discount viagra opposite sound waves to cancel out each other- would help with sound AND energy output? It would depend how long the opposing sound waves existed before being cancelled out. (I really need a refresher on my physics I would say :) )

An easier solution than that, with more
written by Didier, August 26, 2008
Research revealed that the complaints of noise only exist in areas where the general public is not involved in the process of building the windmill.
If all residents around the windmill are co-investors in the windmill, all of buy cialis online cialis a sudden there are no complaints left. ;)
So to all policy-makers around, involve the people to the maximum, and you will find many more areas to place these windmills. Explain to them that the majority of electricity made in nuclear power plants are lost during transport, which is not the case with the close to home windmills. And the nuclear waste is going to affect them even when living far away from these nuclear plants.
Noise is one thing.... what about safety
written by Alan Brown, January 11, 2009
There's a saying among pilots - "the problem with building things near an airport is levitra 100mg that things fall off aircraft" - similarly, when you have something the size of a commercial wind turbine, you'll have occasional catastrophic failures.

For this reason, large wind turbines are positively dangerous near residential areas: There's a Youtube video of one unit literally tearing itself apart when it managed to purchasing levitra with next day delivery overspeed - and despite all the safety measures in use this is still a significant risk (it was a risk in old style traditional windmills too and sometimes happened)

On the subject of residential wind power there are a bunch of problems - Firstly: Anything smaller than 3 metres doesn't generate enough power to be worthwhile. Secondly: Directly attaching to a building is likely to shake the building to pieces (perhaps the vibration damper might fix this?). Third: Wind generators around buildings don't work particularly well due to turbulence.

I'm a big fan of wind power, but I suspect that most fans of residential windpower are a bit mad. The only urban/suburban systems I've seen which may be economically worthwhile are 20 metre vertical turbines on top of office blocks.

If the noise allows large turbines to be built closer to cheapest viagra uk residential areas without compromising safety then I'm all for it - but there are probably better ways of reducing noise - the popular 2-3 blade designs have a lot of room for improving efficiency and excess noise IS an indicator of inefficiency.

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