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Topic: Wind

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Katabatic wind

Wind turbine

Tower of the Winds

Trade wind

Foehn

Wind generator

Windy

Anemometer

Mistral

Wind speed

Sirocco

Geostrophic wind

Apeliotes

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	Wind and Hydropower Technologies Program: How Wind Turbines Work
		Winds are caused by the uneven heating of the atmosphere by the sun, the irregularities of the earth's surface, and rotation of the earth.
		Wind flow patterns are modified by the earth's terrain, bodies of water, and vegetation.
		The terms wind energy or wind power describe the process by which the wind is used to generate mechanical power or electricity.
	www.eere.energy.gov /windandhydro/wind_how.html (795 words)

	Wind - Wikipedia, the free encyclopedia
		Winds can be classified either by their scale, the kinds of forces which cause them (according to the atmospheric equations of motion), or the geographic regions in which they exist.
		The opposite of a katabatic wind is an anabatic wind, or an upward-moving wind.
		Zonda wind (on the eastern slope of the Andes in Argentina)
	en.wikipedia.org /wiki/Wind (2548 words)

	Wind power - Wikipedia, the free encyclopedia
		Wind power is used in large scale wind farms for national electrical grids as well as in small individual turbines for providing electricity in isolated locations.
		Typically, the increase of wind speeds with increasing height follows a logarithmic profile that can be reasonably approximated by the wind profile power law, using an exponent of 1/7th, which predicts that wind speed rises proportionally to the seventh root of altitude.
		Wind turbines should ideally be placed about ten times their diameter apart in the direction of prevailing winds and five times their diameter apart in the perpendicular direction for minimal losses due to wind park effects.
	en.wikipedia.org /wiki/Wind_power (7978 words)

	Wind
		The direction of wind is expressed as the point of the compass from where the wind is blowing.
		The wind speed can be expressed in miles or kilometres per hour, meters per second, knots or as a force on the Beaufort scale.
		The wind however, does not blow in a straight line, but follows a spiralling path because large movements of air are deflected by the Coriolis force as a result of the Earth's rotation.
	www.ace.mmu.ac.uk /eae/Weather/Older/Wind.html (196 words)

	The Solar Wind
		The first indication that the sun might be emitting a "wind" came from comet tails, observed to point away from the Sun, whether the comet was approaching the Sun or whether it was moving away.
		The distribution of ions in the solar wind generally resembles the distribution of elements on the Sun-- mostly protons, with 5% helium and smaller fractions of oxygen and other elements.
		It is the IMF that allows the solar wind to "pick up" the ions in a comet's ion tail, as it also did to an "artificial comet" produced in a 1985 experiment (see positive ions, "clouds of barium ions").
	www-spof.gsfc.nasa.gov /Education/wsolwind.html (819 words)

	Wind
		This wind, one of frshness and chnage, ushers in the dawn, for as the sun rises, the wind dies away.
		Tennyson may choose the wind as such a crucial symbol precisely because it is so protean; it lends itself to a variety of roles.
		And because the wind is an element of a landscape, many times it is not the wind itself that stands for Tennyson's attitude--but the whole scene, composed of both the wind and Tennyson.
	www.victorianweb.org /authors/tennyson/im/Wind.html (1409 words)

	Ned Kahn: Portfolio: Wind
		A second wind-animated shade screen for the arts center is composed of thousands of blue-anodized, 3 inch square, aluminum flaps that move in the wind and create the illusion that the building has been submerged in a vertical sheet of rippling blue water.
		Composed of thousands of translucent, white plastic squares that move in the wind, the artwork is intended to suggest that the building has been enveloped by a digitized cloud.
		In addition to revealing the ever-changing patterns of the invisible wind, the artwork was designed to provide ventilation and shade for the interior of the parking garage.
	www.nedkahn.com /wind.html (889 words)

	Wind
		Winds will blow as air is squashed out by the sinking cold air and drawn in under the rising warm air.
		Winds here are usually calm or very light and so ships would avoid the area because they would only be pushed along very slowly.
		This is because the wind blows away the water vapour which is evaporated from the surface of the wet clothes.
	www.rcn27.dial.pipex.com /cloudsrus/wind.html (1028 words)

	The Weather Network · Glossary Index (Site not responding. Last check: 2007-10-21)
		Wind is the horizontal movement of air in relation to the earth's surface.
		Wind direction tells where the wind is blowing from.
		For example, a "north wind" is coming from the north and is blowing towards the south.
	www.theweathernetwork.com /inter/help/glossary/pages/wind.htm (60 words)

	Observed Winds: represented by wind barbs
		Wind barbs point in the direction "from" which the wind is blowing.
		On the otherhand, the term "eastward" means that the winds are blowing towards the east.
		Wind speed is given here in the units of "knots" (knt).
	ww2010.atmos.uiuc.edu /(Gh)/guides/maps/sfcobs/wnd.rxml (202 words)

	Wind
		Their name derives from the Old English 'trade', meaning "path" or "track", and thus the phrase "the wind blows trade", that is to say, on track.
		As a result of the Coriolis force, winds in the northern hemisphere always flow clockwise around a high pressure area and counterclockwise around a low pressure area (the reverse occurs in the southern hemisphere).
		The Greeks also observed the seasonal change of the winds, as evidenced by the Tower of the Winds in Athens.
	www.brainyencyclopedia.com /encyclopedia/w/wi/wind.html (2700 words)

	Clean Energy - Information on Wind Power
		Wind turbines come in many different sizes from small-scale home systems of 5 kilowatts to 15 kilowatts, to utility scale systems ranging in size from 300 kilowatts to 1,000 kilowatts.
		To take advantage of higher wind speeds and to allow the blades to rotate without interference, wind turbines are mounted on the top of a tower typically 160 feet high.
		Even though wind is an intermittent resource, meaning wind speeds vary from day to day and month to month, wind power can be easily integrated into the existing supply mix, making a significant contribution to our nationÕs energy supply.
	www.nesea.org /energy/info/wind.html (965 words)

	Weather One - Let the Winds Blow
		Winds are created when there are differences in air pressure from one area to another.
		Winds can be produced in a localized area, to expanses of several hundred miles.
		Winds at ground level are produced from low and high-pressure areas at or near the ground.
	www.urbanext.uiuc.edu /weather/4.html (558 words)

	Encyclopedia Wind Energy (Site not responding. Last check: 2007-10-21)
		A subject index of Encyclopedia of Energy Sciences Engineering and Technology Resources wind energy renewable energy sources OCEAN THERMAL ENERGY CONVERSION AND THE UTILIZATION OF Encyclopedia subject: 'Wind' solar heating : solar heating is a style of building construction which uses the energy of batteries be changed.
		Wind Energy Comes of Age is an essential 'soup to nuts' encyclopedia on wind technology.
		A wind turbine is a machine for converting the mechanical energy in wind into electrical energy.
	www.power-online.org /encyclopedia-wind-energy.htm (435 words)

	Wind Energy
		Wind is called a renewable energy source because the wind will blow as long as the sun shines.
		Wind power plants, or wind farms as they are sometimes called, are clusters of wind machines used to produce electricity.
		The most serious environmental drawbacks to wind machines may be their negative effect on wild bird populations and the visual impact on the landscape.
	www.eia.doe.gov /kids/energyfacts/sources/renewable/wind.html (1374 words)

	GE Infrastructure - Wind Energy at GE
		With more than 2,800 units in operation worldwide, the 1.5 MW continues to be one of the world's most widely used wind turbines in its class.
		Our 2.3 and 2.5 MW class of wind turbine provides highly cost effective operation, especially at wind sites where space is limited.
		With a rotor diameter of 341 feet and a swept area of 91,439 square feet, the 3.6 MW wind turbine is ideal for offshore markets worldwide.
	www.gepower.com /businesses/ge_wind_energy/en/index.htm (279 words)

	USATODAY.com (Site not responding. Last check: 2007-10-21)
		When forecasters say the "wind chill is 18°F," they are not saying that the chilled object is cooled to 18°F. A wind chill temperature is not some different kind of temperature.
		Wind chill does not repeal the Second Law of Thermodynamics, which says that heat cannot "flow" to a warmer object.
		Another way to think of it: If wind alone could really cool things, we wouldn't need refrigerators to keep food cool when the temperature was around 40°F or colder; we be able to use fans, which are a lot cheaper to build and operate.
	www.usatoday.com /weather/resources/basics/wind-chill-char.htm (261 words)

	Pharyngula: Wind!
		Wind turbines are demonstrably hazardous to birds, resulting in high mortality rates of songbirds, raptors, burrowing owls (a species of special concern in CA and listed as threatened/endangered in many states), even golden eagles (nationally protected).
		Wind turbines are certainly a clean, quiet and beautiful way of generating renewable energy.
		I've tried looking into the power costs given by the wind post and it does look at though wind may actually be slightly cheaper than nuclear power, which surprised me. However it seems that once you get more than 15% of your total electrical power from wind its variability can raise costs.
	scienceblogs.com /pharyngula/2006/05/wind.php (4771 words)

	The Energy Story - Chapter 16: Wind Energy
		Wind is also used to turn large grinding stones to grind wheat or corn, just like a water wheel is turned by water power.
		In California, it is usually windier during the summer months when wind rushes inland from cooler areas, like the ocean to replace hot rising air in California's warm central valleys and deserts.
		Wind has to be this speed to turn the turbines fast enough to generate electricity.
	www.energyquest.ca.gov /story/chapter16.html (602 words)

	Wind
		A monsoon is a seasonal wind flow due to the difference in surface pressure caused by the differential heating of seas and lands.
		Wind direction is the direction from which the wind blows.
		The direction of local wind may be different from the prevailing wind because of such effects as terrain and temperature differences.
	www.hko.gov.hk /education/edu01met/wxobs/ele_winde.htm (446 words)

	Wind
		All winds, from gentle breezes to raging hurricanes, are caused by differences in the temperature of the atmosphere, by rotation of the Earth, and by unequal heating of the continents and the oceans.
		Students will learn how wind is created on earth, identify good and bad effects of the wind, make a weather vane and practice using it, and understand what a wind gauge/anemometer does.
		This site has activities to focus on characteristics of wind, forces that cause wind, the effects of wind, and wind as a viable source of renewable energy for the 21st century.
	www.42explore.com /wind.htm (1057 words)

	Wind
		The Coriolis Effect makes the trade winds appear to be curving to the west, whether they are traveling to the equator from the south or north.
		Between thirty and sixty degrees latitude, the winds that move toward the poles appear to curve to the east.
		Wind is the fastest growing source of electricity in the world.
	www.weatherwizkids.com /wind1.htm (893 words)

	Wind Chimes Free Shipping: Personalized Wind Chimes
		These Wind Chimes are clear of tone and resonance, made with the highest quality materials, and the engraving on your gift of wind chimes is on the durable, brushed aluminum wind plate, a metal designed to stand the test of time, in any climate.
		Quality in Wind Chimes is a function of the materials by which the wind chimes were constructed, and the skill of the craftsman assembling the individual parts into the finished set of wind chimes.
		Wind Chimes are also great compliments to water features and fountains in the garden.
	www.wind-chimes-free-shipping.com (757 words)

	Wind - DAN'S WILD WILD WEATHER PAGE
		In the course of a year, the average wind speed and wind direction in our area is 8 MPH from the southeast.
		A North wind is a wind that is blowing from the north.
		These are winds that steer the huge masses of warm and cold air generally from west to east across the country.
	www.wildwildweather.com /wind.htm (448 words)

	wind - Wiktionary
		Cognate with Dutch wind, German Wind, Swedish vind, Latin ventus, Welsh gwynt; ultimately probably cognate with weather.
		The wind blew through her hair, standing on the deck of the ship.
		The IE root is also the source of Latin ventus (French vent), Welsh gwynt, Tocharian A want, Tocharian B yente.
	en.wiktionary.org /wiki/wind (460 words)

	Wind
		Winds are created by uneven heating of the atmosphere by the sun, irregularities of the Earth's surface, and the rotation of the Earth.
		As a result, winds are strongly influenced and modified by local terrain, bodies of water, weather patterns, vegetative cover, and other factors.
		The wind flow, or motion of energy when harvested by wind turbines, can be used to generate electricity.
	www.eia.doe.gov /cneaf/solar.renewables/page/wind/wind.html (368 words)

	NASA/Marshall Solar Physics
		The solar wind streams off of the Sun in all directions at speeds of about 400 km/s (about 1 million miles per hour).
		The source of the solar wind is the Sun's hot corona.
		The solar wind speed is high (800 km/s) over coronal holes and low (300 km/s) over streamers.
	solarscience.msfc.nasa.gov /SolarWind.shtml (349 words)

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