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Old 25 November 2008, 09:42 PM
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snopes snopes is offline
 
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Icon19 Windmills make you crazy

Comment: Living in North West Ohio we are the budding capital of solar and
wind generated energy. Recently an "environmental impact supervisor" for
one of the major industries in our area said that the 4 large scale wind
turbines in Bowling Green, Ohio were found to be causing 'mental illness'
and psychological problems to the nearby residence. The reason for this,
he said, was the constaint 'thrumming' noise the blades make as they
rotate. My local reseach has found nothing ('of course not he says because
THEY want to hide it!').
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  #2  
Old 25 November 2008, 11:05 PM
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Brad from Georgia Brad from Georgia is offline
 
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They drive you crazy only if they're the windmills of your mind.

Brad "like a circle in a circle, like a wheel within a wheel, they keep turning, ever turning, 'til you wonder what's the deal" from Georgia
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  #3  
Old 25 November 2008, 11:08 PM
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Tarquin Farquart Tarquin Farquart is offline
 
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Quote:
Originally Posted by Brad from Georgia View Post
They drive you crazy only if they're the windmills of your mind.
Gah, now I have that as an earworm.
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  #4  
Old 25 November 2008, 11:09 PM
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Brad from Georgia Brad from Georgia is offline
 
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There you go.
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Old 25 November 2008, 11:50 PM
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Do they make you so crazy you start tilting at them?
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  #6  
Old 29 November 2008, 05:38 PM
lezaps lezaps is offline
 
 
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In Europe, where a stupid regulation force state to overpay (8 times market price) the price of electricity to windmill owner, some associations "against windmills" report such facts. Former French President V. Giscard d'Estaing is leading the "against windmill front" in France.
(link in french, sorry) Diary of a poor windmill neigbour
Even if you don't get a word of French, you will understand that the noise (bruit) drove him mad !

in the report of the medicine academy (still in French, sorry)
I have underlined some reference in English :
KLUG H. - A review of wind turbine noise. First International Conference on Wind Turbine Noise: Perspectives for Control proceedings, Berlin 17-18 oct 2005, 11 p. 4
HENRIKSEN O.D., DEGN U., MILLER L., TOUGAARD J. - Low frequency underwater noise from offshore wind turbines: detection ranges and potential implications for marine mammals. First International Conference on Wind Turbine Noise: Perspectives for Control proceedings, Berlin 17-18 oct 2005, 9 p. 5
GAMBA R., GARRIGUES S., SENAT C. - Maping of upwind and downwind airborne noise propagation. First International Conference on Wind Turbine Noise: Perspectives for Control proceedings, Berlin 17- 18 oct 2005, 14 p. g
LEVENTHALL G. - How the "mythology" of infrasound and low frequency noise related to wind turbine might have developed. First International Conference on Wind Turbine Noise: Perspectives for Control proceedings, Berlin 17-18 oct 2005, 15 p. 11
PEDERSEN E., WAYE K.P. - Human response to wind turbine noise : annoyance and moderating factors. First International Conference on Wind Turbine Noise: Perspectives for Control proceedings, Berlin 17- 18 oct 2005, 13 p. 12
TOMEI F., FANTINI S., TOMAO E., BACCOLO T.P., ROSATI M.V. - Hypertension and chronic exposure to noise. Arch. Environ. Health, (2000), 55, 319–325.
BABISCH W., ISING H., GALLACHER J.E., SWEETNAM P.M., ELWOOD P.C. - Traffic noise and cardiovascular risk: the Caerphilly and Speedwell studies, third phase-10-year follow up. Arch. Environ. Health, 1999, 54, 210–216.
WAYE K.P. - Effects of low frequency noise on sleep. Noise and health, 2004, 6; 23, 87-91.
BERGLUND B., HASSMEN P. - Sources and effects of low-frequency noise, J. Acoustic. Soc. Am., 1996, 99 (5), 2985-3002.
Low Frequency Noise and Wind , British wind energy association, feb 2005,

Turbineshttp://www.bwea.com/ref/lowfrequencynoise.html


that could be tracks to follow, to see if windmills could drive you mad.
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  #7  
Old 11 April 2015, 06:25 AM
k9snps k9snps is offline
 
 
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Default Wind turbines ARE major noise polluters

Quote:
Originally Posted by snopes View Post
Comment: Living in North West Ohio we are the budding capital of solar and
wind generated energy. Recently an "environmental impact supervisor" for
one of the major industries in our area said that the 4 large scale wind
turbines in Bowling Green, Ohio were found to be causing 'mental illness'
and psychological problems to the nearby residence. The reason for this,
he said, was the constaint 'thrumming' noise the blades make as they
rotate. My local reseach has found nothing ('of course not he says because
THEY want to hide it!').
Your "research" must have consisted of a few lazy clicks to wind developer websites. Insidious, often unpredictable noise from wind turbines is a well know and often-denied problem. A good intro article with leads to follow up can be found here:

http://www.stopillwind.org/lowerleve...ntent=topten_8

#8. Wind technology is noiseless and creates few disturbances.

"Tall wind turbines in concert with each other, especially those sited on prominent ridgetops, create profound noise reverberations extending out for more than a mile, sounding like "a boot tumbling in a dryer" or the revving of jet engines on a runway. It is very difficult to predict noise levels in the mountains compared to flat land. Noise levels will be amplified in some areas and diminished in others depending on the shape of the terrain, the wind direction, the changes in wind velocity, and so on.

The impact on people also depends on whether wind turbines operate in synchronization and whether the noise "beats" or throbs. This also depends on wind direction and velocity. Who will get bombed? Who knows? That is likely very hard to predict. The travel of sound waves and their behavior is similar to the way water waves travel. Most of us have seen how water behaves when waves enter into a gap or a split or channel of rocks in the ocean. The waves travel inward and pile up-and-up as the channel restricts them. The more the channel narrows, the greater the piling of the wave. Sound behaves in the same way. The more it piles up, the louder it gets.

A letter from Meyersdale, Pennsylvania resident Bob Laravee, who lives 3,000 feet from the windplant, documents how he measured the noise over a 48-hour period. The results "showed an average reading of about 75 decibels during that period." "According to the EPA, noise levels above 45dB(A) disturb sleep and most people cannot sleep above noise levels of 70 dB(A)." Turbine noise is so irritating and disconcerting that it often causes people to seek medical attention, as Rodger Hutzell in Meyersdale had to do. Wind leases typically contain "noise easements" to protect the company from liability.

Noise from European windplants is a notorious and well-documented nuisance there. The wind industry is very aware of this problem but often tries to "hide" it by taking visitors during the day directly under the turbines where there is typically little noise or by conducting tours from May-September when wind speeds are typically lower.

A leading acoustical researcher of the noise problem, G.P. van den Berg of the University of Groningen in the Netherlands, believes loud aerodynamic sounds are generated when the moving propeller blade passes the turbine tower mast, creating sound pressure fluctuations. Such fluctuations may not be great from an individual turbine, but when several turbines operate "nearly synchronously, the pulses... may occur in phase," significantly magnifying the sound. Van den Berg also notes a "distinct audible difference between the night and daytime wind turbine sound at some distance [more than one mile] from the turbine"—a finding consistent with the experiences of Meyersdale residents. (Both quotes were taken from G.P. van den Berg, Effects of the Wind Profile at Night on Wind Turbine Sound: Journal of Sound and Vibration (November 2004) 277:955-970.)

The problem is so acute and well documented that the First International Conference on Wind Turbine Noise was held in Berlin, Germany on October 17 and 18, 2005. Organized by INCE/Europe in collaboration with the European Acoustics Association, the conference addressed "Wind Turbine Noise: Perspectives for Control"

A New York physician, Nina Pierpont, has called the phenomenon, Wind Turbine Noise Syndrome; her book on the subject will be available to the public soon.

Regulatory agencies and county zoning ordinances should insist upon acoustical field research to assess this noise phenomenon, requiring independent measurements and interviewing nearby residents. They should pay particular attention to noise measurement averages. Averages would not mean much if they were applied, say, to residents living next door to an outdoor pavilion during a rock concert. And it will not mean much to the residents of a rural community, either—who are used to the enjoyment of a quiet landscape.

An exemplary noise testing protocol for windplants was recently approved as part of the Shawano County, WI wind ordinance. Other polities should strongly consider adopting this standard to protect citizens from windplant noise. This county had been targeted for industrial wind development and the citizens there, aware of problems with wind technology, vowed to protect the public by establishing regulations and testing protocols that the wind industry and enabling agencies now must follow....."
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