Sentences with phrase «on turbine blades»

Wind farms that have red flashing lights on the turbine blades or sites that were studied previous to construction had lower fatality rates than the others.

Winters have been so severe it's actually created lethal situations as there have been many cases in Britain where ice formed so heavily on the turbine blades large lethal chunks have been flung to such great distances it has been too life threatening to leave the house.

I believe there is a simple solution to bird and bat fatalities also, by mounting cheap passive ultrasonic «whistles» on turbine blades, to create a sound warning shield, keeping flying wildlife away from any spinning turbines.

Snow, frost and ice can quickly build up on turbine blades — even if they melt away quickly, the damage they cause is irreversible.

In addition, Hu is investigating how turbine operators can compensate for weather effects like icing on turbine blades.

«I have never seen ash actually melting on a turbine blade or other hot engine part before,» he says.

I believe that wind turbines detect lightning strikes because some repair, usually minor, is normally required to the area on the turbine blade where the strike occurred.

Not exact matches

In the early morning light the 148 - foot blades of many of the dozens of turbines that he passes on the way to work are already turning above him.

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.

A combination of structural and economic considerations drives the use of three slender blades on most wind turbines — using one or two blades means more complex structural dynamics, and more blades means greater expense for the blades and the blade attachments to the turbine.

A massive wind turbine — capable of turning the breeze into two million watts of power — has 40 - meter - long blades made from fiberglass, towers 90 meters above the ground, weighs hundreds of metric tons, and fundamentally relies on roughly 300 kilograms of a soft, silvery metal known as neodymium — a so - called rare earth.

Could purple wind turbines decrease the carnage wreaked in the night by looming towers with spinning blades on Halloween's iconic flying mammals?

It can also throw off the balance of a wind turbine's spinning blades, putting tremendous forces on shafts and machinery, leading to failures or shut - downs.

He notes the new technique could someday be used on jet turbine blades, for example, to more accurately assess their integrity and durability.

If it's not perfect, it can have a tremendous impact on the performance of the part, such as a turbine blade,» Varanasi says.

Camci, who has worked on the method since 1989 with Steve Hippensteele of NASA's Lewis Research Center in Cleveland, Ohio, says that liquid crystals have several advantages: «The crystals are available as sheets of Mylar (polyethylene terephthalate) plastic or in liquid form, so that covering an entire piece of equipment, such a s a turbine blade or a jet engine duct, is fairly simple, particularly compared to applying thermocouples.

Blade of Light On an unusually still day, the tip of a turbine blade catches the sun above the snowy hills of Shetland in the far north of thBlade of Light On an unusually still day, the tip of a turbine blade catches the sun above the snowy hills of Shetland in the far north of thblade catches the sun above the snowy hills of Shetland in the far north of the UK.

Eagles in flight are especially susceptible to turbine blades as they're attention is often focused on the ground looking for prey rather than looking forward to see obstacles.

According to a new report from Navigant Research, which analyzes 22 wind turbine manufacturers and 18 independent wind blade manufacturers, the focus on wind turbine blades is increasing.

Deep Silver has made a brand new trailer showing off all of naildâ $ ™ s exciting environments and the crazy stuff you do in them â $ «like jumping over trains and flying through turbine blades and riding on the side of a dam.

It was overheating of an already worn turbine blade / side, you probbably not understand so i would suggest you find a detailed parts diagram and watxh videos on how they work.

The bigger the turbo the more lag you're going to get, not just because of the mass of the turbine and compressor but because of aerodynamic drag on the bigger blades.

2014 Equus exterior enhancements convey a premium - sport design message, starting with a new 19 - inch turbine - blade alloy wheel design in a polished silver finish that relays motion whether parked or on the open highway.

There's lots of cool stuff going on with biomimicry these days and on Wednesday I got to see one of the coolest things I've seen in this arena in a while: Experimental superhydrophobic coatings for wind turbine blades.

Unlike horizontal axis wind turbines (HAWTs), which maintain a steady torque if the wind remains steady, VAWTs have two «pulses» of torque and power for each blade, based on whether the blade is in the upwind or downwind position.

The bumps on Humpback whale fins give the mammals 32 % less drag and 8 % more rise in lift - and it can have a similar impact for wind turbine blades, helping us create more energy from the same breeze.

In order to have that much energy capacity in a single turbine, it will have to have blades more than 650 feet long, which is longer than the length of two football fields and also two and a half times longer than any existing turbine blade (pictured above is a cross section of a smaller version of the blade the team is working on).

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.»

Wind turbine blades are growing larger, so research must be focused on several multidisciplinary areas — one in particular being wind turbine controls.

Or consider WhalePower, a corporation that used the bumps found on humpback whale flippers to design more efficient industrial fans and wind turbine blades.

FLOR's carpet squares and Whalepower's turbine blades, for all their benefits, are focused on form - they're really «biomorphic.»

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.

Racano's complaints include what effect the turbines» vibrations may have on fish, whales and sharks, and he worries about seabirds that can be killed after hitting the turbines» blades or have their migratory patterns disrupted.

The larger a wind turbine is the more energy it can produce, but there's a problem: as the size grows so does the weight of the turbine blades which puts a limit on turbine size.

From now on, AWEA's Anderson says, the industry will voluntarily program turbines to pivot parallel to the wind on calm nights, keeping their blades still.

Among the chronic external factors affecting wind turbines are the accumulation of dust, dirt and insect debris on the blades.

Despite the potential collective loss of millions of dollars in electric generation, the U.S. wind energy industry has voluntarily committed to changing how turbines are operated during the bats» fall migration season, slowing blade rotations to fewer than 1 - 3 revolutions a minute, depending on blade length, thereby reducing the risk of collision.

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.»

Research by Stefan Oerlemans placed on the Net by the University of Twente looked into placing saw - teeth on the trailing edge of turbine blades to reduce sound levels.

I have often worked near these turbines on our research projects in the winter and witnessed the large divots in the snow where ice has been flung from the turning blades.

Turbine blades that broke were first two to be turned on Huron Daily Tribune Brenda Battel 4 November 2016 BLOOMFIELD TOWNSHIP — The two blades that broke on separate wind turbines last month were the first two to be turned on in the startup phase of the Deerfield wind project.

The Economist reports on progress made by the Wind Turbine Company in creating a wind turbine which can have the blades downwind rather than upwind as isTurbine Company in creating a wind turbine which can have the blades downwind rather than upwind as isturbine which can have the blades downwind rather than upwind as is usual.

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.

The only animated entry on this list, it goes behind the scenes of wind energy generation to break down the job of each piece of a turbine (from the blades to the yaw drive).

Each blade on these turbines is over 200 feet long, about the length of the wingspan of a 747 aircraft.

Senate Bill 328, if approved, would determine setback requirements based on the height of the turbine and the length of the turbine's blades.

These control methods will be used to increase the turbines» power production and efficiency and reduce the stress placed on the blades by strong winds.

On average, Altitec estimates that it carries out lightning repairs on up to 4 percent of the turbine blades it inspects each yeaOn average, Altitec estimates that it carries out lightning repairs on up to 4 percent of the turbine blades it inspects each yeaon up to 4 percent of the turbine blades it inspects each year.

Thousands of GE turbines on land as well as in the sea are already using LM Wind's blades.

The rapidly spinning blades of huge wind turbines have an effect on their surroundings, and it goes beyond aesthetics.