Sentences with phrase «by turbine blades»

I happen to have evidence that shows over 90 % of bird and bats smashed by turbine blades fall past the outer reach of turbine blade tips.

For example, though there are a variety of methods to minimize the impact (including fish ladders and in - take screens), fish and other organisms can be injured and killed by turbine blades.

But most of us are puzzled that so few «environmentalists» and FWS «caretakers» express concern about the countless bald and golden eagles, hawks, falcons, vultures, ducks, geese, bats and other rare, threatened, endangered and common flying creatures imperiled by turbine blades.

North American studies of bat deaths and wind turbines have found bats are killed either by being struck by turbine blades or by air pressure changes caused by the turbines that burst blood vessels in their lungs.

With the fish transportation conduit, fish populations might be able to get around hydro - electric plants without being killed by the turbine blades.

56 Wind Power - Mathematics Physics for the IB Diploma 2nd Edition (Kirk) 2007 Wind Power - Mathematics The area swept out by the turbine blade is The volume that passes the turbine in a period of time is So the mass that passes the turbine in a period of time is The kinetic energy available per time is Power Available

Bees would very rarely, if ever, fly high enough to be hit by a turbine blade.

Given that eagles may move well away from the turbine base after having been injured by a turbine blade, it may be that under - counting such injuries and mortalities is inevitable.

Not exact matches

Problems with engine turbine blades wearing out sooner than expected have hampered a restructuring programme prompted by the engineering company's declining older engine programmes and plunging demand for oil equipment.

Blade by blade, section by section of tower housings and foundations, the pieces that will make up 36 giant wind turbines in Chautauqua County are lumbering down county and state highways, a U.S. highway and an interstate, from Hamburg to ArkwrBlade by blade, section by section of tower housings and foundations, the pieces that will make up 36 giant wind turbines in Chautauqua County are lumbering down county and state highways, a U.S. highway and an interstate, from Hamburg to Arkwrblade, section by section of tower housings and foundations, the pieces that will make up 36 giant wind turbines in Chautauqua County are lumbering down county and state highways, a U.S. highway and an interstate, from Hamburg to Arkwright.

France is building the world's first wind farm with turbine blades designed to minimize interference with radar systems, using technology partially inspired by stealth warplanes.

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

Zhou says the warming was caused primarily by vertical mixing of the air, rather than as a direct result of friction as air passes over the turbines» blades: the movement of the turbines is mixing the cooler ground - level air with warmer air higher up.

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.

Researchers have taken a key step toward helping wildlife coexist more safely with wind power generation by demonstrating the success of an impact detection system that uses vibration sensors mounted to turbine blades.

Turbines create emissions - free electricity by using the wind to turn propeller - like blades around a rotor.

«Carbon offers a great opportunity for wind turbine blades in that you can increase the strength by a factor of 10 and stiffness by a factor of four for the same weight.»

As the demand for sustainable energy rises, see how the wind industry is responding by building bigger and more powerful turbine blades.

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

Details like the low roofline and quilted leather seats are inspired by the Q80, and the gills behind the front wheel arch are lifted from the Q50 Eau Rouge, with 21 ″ alloys — inspired by jet turbine blades — making the Q60 look planted.

Flapping wind turbines were inspired by the wing beats of bees, which are potentially more efficient in converting wind to electricity than the more traditional turbine blades.

The Segmented Ultralight Morphing Rotor (SUMR) turbine responds to wind strength by changing the direction the lightweight blades are facing.

But government is able, and often uniquely able, to invest in the basic sciences and large - scale research and development projects that create the menu of insights and technologies that can be turned by the private sector into TomToms and more efficient turbine blades.

Quixote's Last Stand advises us of a new website devoted to the problem of bird deaths and Industrial Wynne Turbines >: Birds and Blades, aka, Broken Wing is also a book that details the epidemic of bird kills by tTurbines >: Birds and Blades, aka, Broken Wing is also a book that details the epidemic of bird kills by turbinesturbines.

Though small by today's standards — the wind turbine's blades were less than one third the length of those installed offshore by Deepwater Wind — the 200 kilowatt - capacity turbine produced as much as 11 percent of the island's energy needs during off - peak winter months.

We live in the path of thousands of migrating birds that will be killed by the blades of the turbines.

Most of the sound generated by wind turbines is aerodynamic, caused by the movement of turbine blades through the air.

Well, we hope it never happens, but sooner or later we'd predict that someone, someplace, will get hit by a flying wind turbine blade and chopped up.

The groups — the American Bird Conservancy and the Biodiversity Conservation Alliance — told the U.S. Fish and Wildlife Service in a 15 - page letter released Wednesday that between 46 and 64 golden eagles would likely be killed every year by the spinning blades of 1,000 wind turbines planned by the Power Company of Wyoming.»

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.

*** The number of cases involving turbines collapsing, self immolating or throwing their blades to the four winds (aka «component liberation») has become so common that, if we were a tad cynical, we would go so far to suggest the possibility of some kind of pattern, along the lines proffered by Mr Bond's nemesis, Goldfinger: -LSB-...]

This is an exciting new technology development that can substantially reduce the long term cost of energy from offshore wind turbines and the company is proud and thankful to be supported by GROW: OffshoreWind in this work,» said Theo Botha, co-founder of Blade Dynamics.

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.

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.

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.

Documents obtained by the AP under the U.S. Freedom of Information Act show that in two cases in Iowa federal investigators determined that a bald eagle had been killed by blunt force trauma with a wind turbine blade.

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.

Each as tall as the Statue of Liberty, the turbines use 240 - foot - long blades made by the Danish company LM Wind Power attached to a 6 - megawatt Haliade generator made by GE Renewable Energy in France.

A new material could be the answer to the current maxing out of wind turbine size caused by blade weight.

By tightly integrating blade and turbine design, GE hopes to enhance the performance of its turbines, reduce the cost of energy and boost its $ 9 billion renewable energy business.

«We are very excited by the cutting - edge technology deployed on all the turbines and it is remarkable that just one rotation of the blades can power the average UK home for a day.»

The V164 - 8.4 MW and V164 - 8.8 MW wind turbines were manufactured and modified by MHI Vestas, and have an enormous tip height of 191 meters, with 80 meter blades.

It is possible that, if the eagle was hit by an ascending turbine blade, it could have been thrown this far; however, research by Dr Cindy Hull in Tasmania has indicated that wedge - tailed eagles are most often hit by descending turbine blades and that they rarely, if ever, fall as far as 180m from a turbine tower (it is possible that the eagle could have been dragged by a large scavenger).

The two and three blade prop wind turbine designs used by the wind power industry today are responsible for most of these deaths.

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.

Power Grand Coulee Dam Tidal Water Storage Rance Tidal Power Station Pump Storage Ffestiniog Pumped Storage Conservation of Energy mgh = 1 / 2mv ^ 2 Power = energy transferred / time (Watt = Js ^ -1) Power (in watt) = mgh / 1s Amount of available power / the middle of the turbine Advancements Hydroelectric Footwear Robert Komarechka moving liquid turns a turbine blade micro turbines will generate enough electricity to power almost any gadgets Conclusion The hydroelectric power generates electricity by changing potential /

Siemens has achieved a breakthrough by finishing its first full load engine tests for gas turbine blades completely produced using Additive Manufacturing (AM) technology.

In the western United States, golden eagles may be particularly susceptible to wind turbine blade collision by wind power facilities constructed in areas of high eagle use.

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.

Also, my grandparents often sit in the living room of their farmhouse in rural Iowa and watch the turbine blades from a nearby plant roll by on the highway.