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Wind Power

Wind Power. By: Breana Bacon and Maeton Jameson. 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

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Wind Power

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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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