Sentences with phrase «use of wind turbines»

* the amount of bird deaths, bat deaths and the small comparative amount of CO2 actually offset by the use of wind turbines does not make sense.

* Note that the $ 0.02 per kWh assumption does not take into account that fact that the use of wind turbines to produce electricity imposes additional costs.

In addition, another interesting option now presents itself — the use of wind turbines as windbreaks to reduce wind speed and soil erosion.

In modern times, wind energy is mainly used to generate electricity, primarily through the use of wind turbines.

city editor Jonathan Ford, in an article that also repeated a GWPF talking point on the steel use of wind turbines compared to gas plants.

But they need to be balanced against the bulk of public opinion, which strongly supports the increased use of wind turbines.

Not exact matches

«The genius about the artificial island is that you could set up a lot of wind turbines, offshore, out of sight, but still use near shore technologies which are cheaper,» Energinet's Hanne Storm Edlefsen told CNBC's Sustainable Energy.

Her reputation as a conciliator was part of her appeal during the 2013 leadership contest, a skill she's used to make peace with public school teachers angry over wage - freeze legislation and appointing herself agriculture minister to mend fences with communities upset over decisions to cancel the slots - at - racetracks program and the installation of industrial wind turbines.

(If you use slave labour to build a wind turbine, is that an ethical source of energy?)

The mine could supply up to 10 % of world demand for neodymium and praseodymium, used in the manufacture of magnets for wind turbines, and electric vehicles.

Avista owns a 15 - per - cent - stake in two of the four units at the Colstrip plant in Montana — a major coal - mining state — and plans to use them for electricity production until 2035, said a spokesperson for the company that also operates hydroelectric dams, natural gas and biomass generating plants and wind turbines.

Last year, the government finally took advantage of those winds, installing 33 wind turbines manufactured by domestic company Xinjiang Gold Wind at the Guanting wind power field to harvest this energy and use it to supplement the electricity provided by polluting cwind turbines manufactured by domestic company Xinjiang Gold Wind at the Guanting wind power field to harvest this energy and use it to supplement the electricity provided by polluting cWind at the Guanting wind power field to harvest this energy and use it to supplement the electricity provided by polluting cwind power field to harvest this energy and use it to supplement the electricity provided by polluting coal.

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.

«Plus, you're saving on material costs by using 100 - pound devices floating on air rather than 200 tons of cement for a traditional wind turbine.»

In a report in the Proceedings of the National Academy of Sciences, researchers calculate that U.S. wind turbines could produce 16 times the electricity we now use.

Magnets are the key to generating electricity, of course, and electricity is the key to the use of cleaner sources of energy — whether wind turbines or electric vehicles.

Schmitz, an Iowa State graduate student of civil, construction and environmental engineering, and Sri Sritharan, Iowa State's Wilson Engineering Professor and leader of the's College of Engineering's Wind Energy Initiative, were trying to answer some basic questions about using concrete panels and columns to build wind turbine towers using prefabricated, easily transportable componeWind Energy Initiative, were trying to answer some basic questions about using concrete panels and columns to build wind turbine towers using prefabricated, easily transportable componewind turbine towers using prefabricated, easily transportable components.

Furthermore, since magnets containing rare earths are used in a wide range of technologies, including electric motors, wind turbines, and medical imaging devices, including MRI scanners — manufacturers would be able to improve the sustainability of their products by recycling these materials.

The waves travel along the flume and crash onto whatever researchers have built at the other end — which could include a novel type of dike, an artificial sand dune or gravel beach, or a pylon used to hold up an offshore wind turbine.

The wind turbines on these wind farms connect directly into power grids and produce 5 percent of the electricity that that entire state uses.

Turbine research — involves research to improve turbine design (aerodynamics), understanding the nature of wind (inflow and turbulence), and using computer models to design efficient and low - cost turbines (modeling structures and dynTurbine research — involves research to improve turbine design (aerodynamics), understanding the nature of wind (inflow and turbulence), and using computer models to design efficient and low - cost turbines (modeling structures and dynturbine design (aerodynamics), understanding the nature of wind (inflow and turbulence), and using computer models to design efficient and low - cost turbines (modeling structures and dynamics).

There's little doubt the environmental cost of creating an iPhone, as well as those wind turbines, hybrid engines, and the bevy of other technical wonders that use rare - earth minerals, has been immense.

Propeller wind turbines are the most common way of using one of the most abundant energy sources on Earth to generate electricity.

But so is the cost of any method of reducing greenhouse gas emissions enough to make a similar difference — whether it's doubling the fuel efficiency of every single car and truck on the road (which would cost a few trillion dollars and take at least 15 years) or building scores of new wind turbines for each turbine already turning today or erecting hundreds of new solar cell arrays for every array in use today.

The «not in my back yard» opposition to renewable energy systems is still a reality, the researchers said, and there are still some environmental concerns about virtually any form of energy, whether it's birds killed by wind turbine rotors, fish losses in hydroelectric dams or chemical contaminants from use of solar energy.

A team of scientists estimates that wind turbines in the continental U.S. could produce 16 times more electricity than we currently use.

Sandia senior researcher Dennis Roach led development of a reference sample library used to train those who perform nondestructive inspection of wind turbine blades.

Sritharan said the models show using Hexcrete technology to build 120 - to 140 - meter wind turbine towers could drop the levelized costs 10 to 18 percent under the costs of current 80 - meter technologies.

Japan, like the United States, is heavily dependent on imports of rare earths from China for their widespread use in manufacturing of hybrid cars, electronics, and wind turbines.

Examples of indirect use which require energy harvesting are electricity generation through wind turbines or photovoltaic cells, or production of fuels such as ethanol from biomass.

Hu will use the tunnel as part of a $ 663,000 grant from NASA to study icing of aircraft wings, part of a $ 360,000 grant from the National Science Foundation to study icing of wind turbine blades and part of a $ 20,000 seed grant from Iowa State's Institute for Physical Research and Technology to develop new technology to study aircraft icing.

Since 2008, production capacity of both photovoltaic (PV) modules used to assemble solar panels and wind turbines has doubled annually.

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.

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.

The new alloy — a potential replacement for high - performance permanent magnets found in automobile engines and wind turbines — eliminates the use of one of the scarcest and costliest rare earth elements, dysprosium, and instead uses cerium, the most abundant rare earth.

Like kids building sandcastles below the tideline on the beach, scientists will let the walls of water travel along the flume and crash onto whatever researchers have built at the other end — which could include a novel type of dike, an artificial sand dune or gravel beach, or a pylon used to hold up an offshore wind turbine.

In wind turbines, carbon fiber's stiffness means rotors can use longer blades, thereby increasing the efficiency of each individual generator.

They are already used in a variety of industries including in electronics, sports equipment, long - lasting batteries, sensing devices and wind turbines.

Some 16 million tons, translating to a 730 year supply of dysprosium (used in magnets in wind turbines and electric vehicles), a 420 year supply of terbium (used in lasers and semiconductors) and a nearly 800 year supply of yytrium (radar systems).

hydro is a major methane source, wind turbines use 100 X more copper than fossils offshore turbines use 1000 X more copper 2010 copper ore grades were 30 lbs / ton of rock 2016 coppor ore grads were 3 lbs / ton of rock solar and wind products last 30 years tops 100 % energy transitions take 70 minimum solar and wind break down 2X faster than we can tranistion Stefan Rahmstorf says our emissions must go down 100 % in 20 years to stay under 2 C.

The proposed technique, previously used for detecting damaged surface areas on underwater marine structures such as bridge piers, off - shore wind turbine platforms and pipe - lines was applied to histopathology images of breast cells.

This is because the turbine-less design of the wind belt solves all of the issues that are present in energy turbines that are used in traditional wind generators.

They then design, test, and evaluate wind turbines that can be used to generate electricity to answer the driving question: How can we design a wind turbine that effectively converts one form of energy into another form of energy?

(If you could sell wind we'd be rich, people used to say in the days before the foothills got sown with rows of gigantic new turbines, without bringing a marked improvement to anybody's fortunes.»

This example makes use of animation to illustrate how a wind turbine works and the benefits of wind farming.

Twenty - seven - year - old Maeve Brennan is based in London and Beirut, and uses her proposed work emphasizes the «whirring presence» of wind turbines, examining their ripple effects on the ecosystem.

Manufacturing just five wind turbines produces 1 ton of radioactive residue and 75 tons of toxic, acidic water used to leach out the required neodymium.

Senator John McCain used a visit to Vestas, a manufacturer of wind turbines in Portland, Ore., as a backdrop for a speech describing his views on human - caused climate change and what to do about it.

Whether the discussion turns to replacing coal - fired power plants with wind turbines and using electric cars instead of gas - driven SUVs, converting industrial agricultural practices to organic permaculture, or reversing the decline of ocean life though international regulations, it is an article of faith in the reform movement that we know what we need to do and all that's lacking is a sufficiently visionary leader to put more planet - friendly solutions in place.

When the wind turbines in Denmark are producing more power than can be used locally (and indeed «locally» is an oversimplification of how an electric grid works), it flows through the rest of the grid; when they're not meeting local demand, power flows in from France, Germany, Switzerland, or wherever.