Sentences with phrase «turbine blades at»

An electric actuator adjusts the turbine blades at split - second speed in response to changes in engine loads, enabling the unit to respond with the same lightning speed at low rpm as it does under full loads.

Since 2008, official numbers peg eagle deaths due to wind turbine blades at 67.

The ability to operate turbine blades at higher temperatures improves efficiency and reduces energy costs.

The turbine blades at the state's largest wind farm are whirling.

An employees passes finished wind turbine blades at the Siemens AG plant in Aalborg, Denmark (Photo: Timothy Fadek / Bloomberg / Getty)

The tip of the highest turbine blade at the wind farm stretches close to 500 feet in the air above the base.

Three years earlier they deposited a wind turbine blade at the gallery, with an official request for it to be made part of the museum's permanent collection.

Not exact matches

Yes, no one should turn down wind farming's ultimate passive lease income when the lease income also includes rate increases, technology increases all along and a big one at 25 years when they change out the wind turbine, blades and head.

But according to a source, it is the prevailing winds at these location that make the two blade turbines actually quite unsuitable for conditions in the region, because they can't stand up to the wind shears here.

On a blustery, overcast day last week, the blades of the 156 - foot wind turbine just west of the grapevines at Pindar Vineyards cut through the air with a quiet whooshing noise.

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.

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.

«For instance, we're developing smart rotor blade technology to optimise the power production of single turbines,» says Stephan Barth, managing director at Forwind.

Still, at most dams, the tremendous turbulence of the water can hurt or disorient fish, and the blades of a turbine can strike them.

With direct drive, the turbine directly turns the generator at the same speed as the blades.

The next step will be to prove the technology at wind - turbine scale, with blades that can have diameters of up to 400 feet.

«For the size of equipment, a modern wind turbine — typically 250 feet across, blade tip to blade tip — can generate a megawatt and a half to 2 megawatts at peak output,» he says.

This could be because like wind turbines, the blades rotate at relatively slow speeds.

Turbines designed for Puget Sound have no exposed blade tips, run at low speed, require no mechanical lubrication or seabed drilling, and are designed to leave the seabed undisturbed, according to the Snohomish County utility.

Wings also operate under drier conditions when they're at altitude; turbine blades near the surface are in the middle of winter sleet and snow.

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.

We would like to lay claim to the first quantum tidal turbine — the description of the Kepler Energy turbine in «Rising tide» (17 September, p 48) suggests that its blades «can rotate in both directions at once»!

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

This, in turn, implies that lining the blades of underwater turbines with similar bumps could make them much better at capturing energy from ocean tides.

Wind turbine blades represent one of the most valued parts of the wind energy supply chain at the moment, with more research & development (R&D) and investments being dedicated to wind blades than any other component in wind turbines.

The high exhaust flow at high engine speeds are fully directed onto the turbine blades by the variable vanes.

These bendable, exascale wind turbines are built to withstand the stress with a hinge at the turbine hub that allows the blades to align themselves with the wind direction when necessary.

Cornelius noted that due to the slow speed at which the blades rotate, marine life is at little risk:» The turbines turn at six to eight revolutions per minute, so are incredibly slow turning and will have zero impact on the surrounding environment.»

But the efficiency of wind turbines is almost at its maximum already for any given size, since we also understand the physics of wind blades very well.

Days after several Freeborn County wind turbines had to be shut down after a chunk of ice fell off a blade and landed on a passing semi truck, a family whose home lies within feet of the proposed Freeborn Wind Farm project said they're concerned about something similar happening at their home.

Trident Winds plans to build a floating array of about 100 wind turbines, each with a hub height of 400 feet — which works out to up to 600 feet in height when one of the turning blades is at the 12 o'clock position — some 33 nautical miles off Morro Bay.

Marcio Loos is a post-doctoral researcher in the Department of Macromolecular Science and Engineering at Case Western Reserve University and worked with investigators from Bayer MaterialScience in Pittsburgh, and Molded Fiber Glass Co. in Ashtabula, Ohio, to try and find the best material for turbine blades.

Under normal circumstances, wind turbine blades are left to turn slowly in the wind until they reach «cut - in speed,» the point at which they're spinning fast enough to begin generating power.

This Senate Bill 238 changes the distance requirement to «at least 1,225 in horizontal distance from the tip of the turbine's nearest blade at ninety degrees to the exterior of the nearest, habitable, residential structure, if any, located on adjacent property at the time of the certification application.»

Turbine towers could not be taller than 500 feet from base to blade tip, and they could not emit noise greater than 45 decibels at the property line.

Installation of the Block Island Wind Farm's turbine towers, blades and nacelles is scheduled to begin in early August at the project site, roughly three miles off the coast of Block Island, Rhode Island.

Turbine blades can reach up to 600 feet above the ground with tips moving at 180 miles per hour.

To reach the little to no impact conclusion, the industry assessors relied on limited visual surveys conducted only during daytime and in good weather to conclude that migrating birds fly at a height sufficient to avoid the turbines» blades.

An indication of how turbine technology is evolving is that 30 % of wind farm applications received this year by the Federal Aviation Administration (FAA) were for turbines taller than 152.4 metres (500 - feet) at the blade tip — the traditional industry - wide «soft cap» limit.

«Offshore turbines and turbine blades are exposed to a number of environmental and extreme weather hazards, and Altitec's services ensure that our turbines will continue to perform at their very best well into the future.»

The blade tips of a wind turbine can spin at speeds of up to 80 meters per second, or about 180 miles per hour.

Ohio House passes legislation Jim Provance — The Blade — November 22, 2014 COLUMBUS — Ohio's fledgling wind energy industry is balking at a largely ignored provision of a massive environmental bill overwhelmingly approved in the House this week, arguing it is designed to throw one more wrench into its turbines.

We'd only just reported on the frozen and potentially lethal chunk lobbed at College Students in Gardner, Massachusetts, when yet another report of ice being slung from turbine blades appeared.

Several questions have been raised about whether rotating blades on wind turbines are interfering with radar at airports and military installations.

The new factory is expected to make the enormous blades for wind turbines, which can be longer than an Olympic swimming pool, as well as the generator units that sit at the top of the turbine.

60 Wind Generation Historically Small wind turbines used for Wind Generation Historically Small wind turbines used for agriculture use — pump water Provide electrical needs for isolated homes Extracts ~ 3 kW of power with wind vanes no larger than 1m long Modern Wind turbines with vanes larger than 50 m can extract megawatts of power from the wind Blades designed to function similar to airplane wings utilizing lift created by the wind flowing over the surface to turn the blades — more efficient Turbines mounted on tall towers or at sea can take advantage of higheturbines used for Wind Generation Historically Small wind turbines used for agriculture use — pump water Provide electrical needs for isolated homes Extracts ~ 3 kW of power with wind vanes no larger than 1m long Modern Wind turbines with vanes larger than 50 m can extract megawatts of power from the wind Blades designed to function similar to airplane wings utilizing lift created by the wind flowing over the surface to turn the blades — more efficient Turbines mounted on tall towers or at sea can take advantage of higheturbines used for agriculture use — pump water Provide electrical needs for isolated homes Extracts ~ 3 kW of power with wind vanes no larger than 1m long Modern Wind turbines with vanes larger than 50 m can extract megawatts of power from the wind Blades designed to function similar to airplane wings utilizing lift created by the wind flowing over the surface to turn the blades — more efficient Turbines mounted on tall towers or at sea can take advantage of higheturbines with vanes larger than 50 m can extract megawatts of power from the wind Blades designed to function similar to airplane wings utilizing lift created by the wind flowing over the surface to turn the blades — more efficient Turbines mounted on tall towers or at sea can take advantage of higher Blades designed to function similar to airplane wings utilizing lift created by the wind flowing over the surface to turn the blades — more efficient Turbines mounted on tall towers or at sea can take advantage of higher blades — more efficient Turbines mounted on tall towers or at sea can take advantage of higheTurbines mounted on tall towers or at sea can take advantage of higher winds.

The company successfully validated multiple AM printed turbine blades with a conventional blade design at full engine conditions — the components were tested at 13,000 revolutions per minute... Read more →

The blades of a wind turbine at an Australian Antarctic base broke off and narrowly missed a storage building as they crashed to the ground, reports Phys.org, forcing the icy outpost to switch to backup power.

The temperature at the turbine's front blades is 1,500 C, and its waste heat is extracted by a downstream heat exchanger to power a steam turbine and generate additional electricity.