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Understanding Wind Power: Mechanics, Applications, and Impacts

Wind power is harnessed through turbines that convert the kinetic energy of wind into electrical energy. This renewable energy source relies on the differences in solar heating of the Earth's surface, combined with its rotation, to generate wind. Turbines, often found in wind farms, utilize blades that rotate with airflow, generating energy which is transferred through power cables to produce electricity. While wind power boasts low environmental impact and moderate costs, it requires steady winds and can pose challenges such as visual pollution and wildlife interference.

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Understanding Wind Power: Mechanics, Applications, and Impacts

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  1. Wind Power By: Breana Bacon and Maeton Jameson

  2. What is wind power? • Wind—flow of air created by difference in solar heating of earth between equator and poles together with the earth’s rotation • Wind power—Indirect form of solar energythat captures wind with turbines and converts wind intoelectrical energy

  3. Materials used • Wind turbines—structure that is up to 30 stories tall with blades as long as jumbo jet planes • Wind farm, wind parks, offshore wind farms and single wind turbines • Within turbines: gearbox, electrical generator, power cable • Blades are turned and energy is sent from power cable to generate electricity

  4. How does it work? • Wind blows and as a result, the turbines rotate • The rotations generate energy, and that energy is sent through the power cable, creating electricity • Wind can also cool buildings when windows are open by moving air, creating a breeze

  5. Wind energy in use • Wind farms or plants with tens to hundreds of turbines are turned by strong and reliable winds • Wind turbines can also be used to cool the interior of buildings • Modern grids are being developed to distribute electricity to users

  6. Advantages • Moderate to high net energy yield • High efficiency • Moderate capital cost • Low electricity cost (and falling) • Very low environmental impact • No CO2 • Quick construction • Easily expanded • Can be located at sea • Land below turbines be used to grow crops or graze livestock

  7. Disadvantages • Steady winds needed • Backup systems needed when winds are low • Plastic components produced from oil • Environmental costs not included in market price • High land use for wind farm • Visual pollution • Noise when located near populated areas • Can kill birds and interfere with flights of migratory birds

  8. Works Cited • http://www.google.com/imgres?hl=en&sa=X&biw=1024&bih=865&tbm=isch&prmd=imvns&tbnid=sIFe3Klvm_rdyM:&imgrefurl=http://www.csa.com/discoveryguides/wind/review2.php&docid=3cZVcupV66mISM&imgurl=http://www.csa.com/discoveryguides/wind/images/three.jpg&w=800&h=522&ei=WyqcToixFarv0gH54aS0BA&zoom=1&iact=hc&vpx=695&vpy=511&dur=491&hovh=140&hovw=199&tx=126&ty=85&sig=112784769438769330895&page=2&tbnh=138&tbnw=195&start=12&ndsp=19&ved=1t:429,r:3,s:12 • http://www.google.com/imgres?start=16&num=10&hl=en&biw=1024&bih=843&tbm=isch&tbnid=T-VS4SAlWCBkAM:&imgrefurl=http://www.blogcatalog.com/blogs/strange-nature-green-age/3&docid=aMHmjwMKM_O_tM&imgurl=http://4.bp.blogspot.com/_en3tE7aKwk8/TOLfB9cmcAI/AAAAAAAACb4/jSou8bbeP2o/s400/dog-head-out-car-window-2.jpg&w=400&h=300&ei=USucTvKaAcbz0gGc-NnBBA&zoom=1&iact=hc&vpx=555&vpy=518&dur=33&hovh=194&hovw=259&tx=170&ty=127&sig=112784769438769330895&sqi=2&page=2&tbnh=144&tbnw=208&ndsp=17&ved=1t:429,r:6,s:16

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