Sentences with phrase «from a wind turbine at»

Professor Hansen's team's research findings have now supported Dr Laurie's statement in 2011 about the distance of impact and are consistent with the residents» consistent reports for nearly four years of a low frequency noise problem from the wind turbines at Waterloo, which severely disrupts their sleep.

A longtime American Experiment source got wind of an incident on Thursday involving a livestock truck that was struck by «ice throw» that may have come from a wind turbine at Bent Tree Wind Farm.

There is some evidence to suggest that audible noise from wind turbines at elevated sound pressure levels may be associated with disturbed sleep and negative emotions.

Not exact matches

From pipelines to wind turbines — nearly no one wants these things built near them and many people don't want them built at all.

The state determined that an area encompassing just over 1 million acres can accommodate wind turbines at least 21 miles from land to «ensure that, for the vast majority of the time, turbines would have no discernible or visible impact from the casual viewer on the shore.»

At the same time, they believe the current town board has been too quick to support Deepwater Wind's plan for 15 offshore turbines about 30 miles from Montauk.

Biello: And they do have some more aggressive policies than even the U.S. at present as far as renewable energy goes, whether those who actually realized they have had a lot of problems with kind of wind farms that didn't perform up to expectations, but they do have fairly aggressive targets for how much energy it needs to come from renewable resources like the wind and the sun, they have become the manufacturer, as in all things, for Photovoltaics and the wind turbine blades that are basically powering the green revolution in the West.

But a recent study in PNAS suggested that wind (and other renewables) will fall short of slashing carbon emissions, because there just isn't enough of it in the U.S. Based on data from a company owned by one of the study's authors, this map's white areas show where wind turbines would be most effective — but because wind isn't available all the time, they'd only produce roughly 50 percent of the energy wind turbines could at maximum capacity.

The differences between wind turbine and ceiling fan blades arise from the contrasting design criteria: the wind turbine is intended to capture high - velocity wind to generate electricity efficiently; the ceiling fan needs to move air at low velocity with inexpensive components.

The reason that's important, particularly in places in the central United States, he explains, is that winds at the height of the hub of a wind turbine, roughly 260 feet, are different from the winds at the surface.

Stephen Rose and colleagues from Carnegie Mellon University in Pittsburgh, Pennsylvania, modelled the risk hurricanes might pose to turbines at four proposed wind farm sites.

According to temperature readings from one of the oldest wind farms in the U.S., near Palm Springs, Calif., the turbines make it warmer at night and cooler during the day, generally speaking.

Could concrete towers be a practical way to raise turbine towers from today's 80 meters to the steadier winds at 100 meters and taller?

Long - term data from a wind farm at San Gorgonio, California, confirmed his earlier model predictions: surface temperatures behind the wind turbines were higher than in front during the night, but as much as 4 °C lower by day.

TVA produces energy from 18 wind turbines built atop Buffalo Mountain near Oak Ridge, Tenn., and it has installed small solar photovoltaic systems at 14 locations throughout its territory, including two sites in Alabama.

In an effort to help develop a sustainable domestic supply of rare earth elements and lessen the United States» dependence on China for materials that are vital to the production of electronics, wind turbines, and many other technologies, two researchers at Worcester Polytechnic Institute (WPI) have developed a method of extracting rare earths from the drive units and motors of discarded electric and hybrid cars.

It can absorb and release huge amounts of electricity at the drop of a hat and do so over and over, making it ideal for smoothing out the flow from wind turbines and solar cells.

When demand for electricity dies down at night, power generated by the wind turbines will be used to pump water from the lower reservoir back to the upper reservoir, replenishing it.

In addition to becoming more prone to catastrophic failure, the turbines also become less efficient at higher speeds because they become more like a wall than a rotor, blocking the wind from flowing past the rapidly rotating blades, says Asfaw Beyene, a professor of engineering at San Diego State University in California, who was not involved with the work.

Now, by drawing inspiration from the flexible wings of insects, scientists have found a way to make wind turbine blades 35 % more efficient at producing energy.

In addition to enabling drilling in ever - deeper waters worldwide, robot subs will also be instrumental in ramping up the installation of offshore turbines that generate electricity from the strong winds and tides found at sea, says Michel, one of the main organizers of the annual Marine Advanced Technology Education (MATE) Center's 2010 International ROV Competition, which challenges students to complete underwater missions using ROVs they design and build.

Lester Brown, president of the Earth Policy Institute, says the world must replace the 40 percent of its electricity that comes from coal with a like amount from wind, with 1.5 million wind turbines rated at two megawatts each.

Stronger, stiffer and more durable than most metals and at a fraction of the weight, carbon fiber enables a suite of energy - efficient and clean technologies from wind turbines to cars in an era of turbulent energy prices and a changing climate.

Last year Ohio legislators passed a law requiring wind turbine blades to be at least a quarter - mile from the nearest property line.

Whether it is the tail - light panel with the giant Porsche logo, the mini wind turbine - like wheel design, or chrome headlamp surrounds, there is at least one unique thing about it from every angle that catches your eye.

That didn't happen here, although one proposed farm was abandoned because the vibration from the wind turbines would have increased the «seismic noise» at the Laser Interferometry Gravitational Observatory», half of which is located on the Hanford Site, looking for gravitational waves.

Jacobson and Delucchi assumed that the bulk of the renewable energy would come from 3.8 million 5MW wind turbine (that would be 19TW rated capacity) providing half of the global energy demand at 11.5 TW (that is 28 % utilization which seems to be optimistic and the number I read so far where more around 10 - 20 % at best).

The Department of Health's Deputy Chief Medical Officer, Dr Colette Bonner, has said that older people, people who suffer from migraine, and others with a sensitivity to low - frequency vibration, are some of those who can be at risk of «wind turbine syndrome».

During the relatively short construction interval — which can last from six months to a year, depending on the size and scope of the project — the wind turbines are touched more than at any other time throughout the life of the project.

Lyme, N.Y., Wind Energy Conversion Systems Law [7.5 - MB PDF]-- 1 / 2 - mile setback from property lines, 1 - mile setback from schools, churches, public gathering places; 30 / 35 - dBA +18 - dBC noise limit at property line Union, Wisc., Large Wind Turbine Citizens Committee Setback Recommendations Report [24 - MB PDF]

A technology discussion from the installers» perspectives about the current state of small wind turbines and everyday installation problems followed earlier presentations about the «Unrealities of Wind» that aimed at giving advice on how to choose a machine from the wide variety of new machines available in conjunction with the Small Wind Certification Council (SWwind turbines and everyday installation problems followed earlier presentations about the «Unrealities of Wind» that aimed at giving advice on how to choose a machine from the wide variety of new machines available in conjunction with the Small Wind Certification Council (SWWind» that aimed at giving advice on how to choose a machine from the wide variety of new machines available in conjunction with the Small Wind Certification Council (SWWind Certification Council (SWCC).

This industry has been well aware of the problems directly caused by wind turbine noise since 1987, when Dr Neil Kelley's research [12] establishing direct causation of annoyance symptoms from infrasound and low frequency noise was presented at the American Wind Energy Association conferewind turbine noise since 1987, when Dr Neil Kelley's research [12] establishing direct causation of annoyance symptoms from infrasound and low frequency noise was presented at the American Wind Energy Association confereWind Energy Association conference.

This impression is emphasised by objective number eleven that states: «At all times to establish and maintain complete independence from government, industry and advocacy groups for or against wind turbines.»

Mr Barnard also fails to mention the opinions of rural family physicians such as Dr Sandy Reider, from Vermont, who is at the front line of clinical care for those affected by wind turbine noise, that «wind turbine syndrome» is a euphemistic description which does not sufficiently depict the clinical severity of the clinical cases he is seeing [10].

We saw a sketch of an electric car drawing power from the wind and storing energy from the grid, a photo of farmer taking off a hay crop while a wind turbine generates royalty income for his family from the same field, an illustration of wind energy at the centre of a clean and vibrant cityscape, and many more examples of how Canadians are becoming more conscious about where our electricity comes from, how we use it, and how our choices can contribute to a more prosperous and sustainable world.

«Picton, Ontario, November 16, 2010 — High levels of low frequency noise (LFN) are produced and can be measured at wind turbine developments according to Richard James INCE, acoustics specialist from Michigan.

From the dataset, they also characterized the frequency of winds exceeding three critical speeds: 4, 12, and 25 m / s — the speeds at which a typical turbine starts producing power, is most efficient, and needs to shut down to avoid damage to the motor, respectively.

That's because a working electricity system fueled mostly by wind turbines requires additional massive costs that a fossil fuel system does not: huge excess capacity (perhaps 300 - 400 %) to deal with conditions of light wind; gigantic batteries to store power for conditions of no wind at all, which can persist for days; extra transmission lines to bring electricity from windier areas to the rest of the country; and finally, an entire array of fossil fuel back - up plants for those occasions when the wind doesn't blow for a week and the batteries are dead.

The infrasound from wind turbines is at very low intensity (the Vic Health study showed it was not above background levels), while the sound from NSW fire appliances would be hundreds or thousands of times more intense.

Wind farms must be built at a distance from housing of at least 10 times the height of the turbine, or about 1.5 to 2 km, under the law which was adopted by the lower house of parliament on Friday.

& Dr Guillermo Rein, from the Department of Mechanical Engineering at Imperial College London, says: «Wind turbines are viable sources of renewable energy that can assist the world to reduce emissions and help wean us off fossil fuels.

The level of background noise at distances of a kilometre or more from wind turbines makes measuring the effect of sound from wind turbines on people at such distances complicated.

The hypocritical Obama - Purdon - FWS policy exists solely to protect, promote and advance an anti-hydrocarbon agenda that is increasingly at odds with environmental, scientific, economic, job - creation and public opinion reality — and to safeguard wind turbines that survive solely because of government mandates, taxpayer subsidies... and exemptions from laws that rule, penalize and terrorize the rest of us.

In practice, according to Beth Ambrose, senior consultant at Jones Lang LaSalle, the property specialist, that means the use of a variety of new and old technologies, from solar panels and wind turbines to recycling facilities and incinerators to produce energy from rubbish.

Newsbytes from the GWPF, Lies, Damn Lies And Green Statistics Almost all predictions about the expansion and cost of German wind turbines and solar panels have turned out to be wrong — at least by a factor of two, sometimes by a factor of five.

A Maryland developer has agreed not to build 24 turbines and will abandon 31 proposed sites at a West Virginia wind farm, settling a lawsuit by environmental groups worried about potential harm to the endangered Indiana bat, according to a report from ABC News.

A recently completed wake - steering experiment at the Sandia National Laboratories Scaled Wind Farm Technology (SWiFT) facility has successfully demonstrated that the wake from an upwind turbine can be steered away from a downwind turbine by yawing the upwind turbine.

Research is also investigating new ways to minimize impacts, such as identifying the wind speeds at which turbines can generate power with minimal impact on bats, the use of devices to deter bats from coming close to a turbine, and whether certain turbine colours are more effective in keeping bats away.

«In another incident in November 2011, 1,000 litres of oil leaked from a turbine at the Clyde wind farm in Abington, Lanarkshire, resulting in an emergency clean - up operation.»

The scientists from UW - Madison concluded that bats often collide with the turbines at the wind farms.