Successfully reported this slideshow.
We use your LinkedIn profile and activity data to personalize ads and to show you more relevant ads. You can change your ad preferences anytime.

Wind energy

2,177 views

Published on

Wind Turbine

Published in: Design, Business, Technology
  • Be the first to comment

Wind energy

  1. 1. Wind Energy
  2. 2. What is it? <ul><li>Wind Energy is kinetic energy from the wind that can be directly converted to electrical or mechanical energy by reacting to the atmospheres pressure slope. </li></ul><ul><li>The wind mill was invented in 200 BC in China and was used to pump water and grind grain </li></ul><ul><li>In modern day the wind energy has doubled through the years </li></ul>
  3. 3. How it works? <ul><li>Wind is caused by differences in the air’s temperature </li></ul><ul><li>In the day time the wind blows over the land and at night the wind reverses and blows over the water </li></ul><ul><li>Wind is used to generate energy </li></ul>
  4. 4. Wind turbines <ul><li>Wind turbines collects kinetic energy from the wind from blades similar to planes </li></ul><ul><li>The wind glides over the blades and creates lift and turns the blades </li></ul><ul><li>The blades are connected to a rotating shaft that is connected to an electric generator that makes electricity </li></ul>
  5. 5. Types of wind turbines <ul><li>Horizontal-axis Turbines- typically 20 stories tall and have 3 blades that are 200 feet long </li></ul><ul><li>Vertical-axis Turbines- Blades that span from the top to the bottom and resembles an egg beater. It typically stands 100 feet tall and 50 feet wide </li></ul><ul><li>Vertical-axis turbines are less common than the horizontal-axis turbine </li></ul>
  6. 6. Wind turbines locations <ul><li>Wind turbines are located where there is wind created such as tops of smooth rounded hill , open plains and shore lines also mountain gaps that produce wind </li></ul><ul><li>20% of the world power is produced from wind </li></ul><ul><li>The US uses wind power the most </li></ul><ul><li>Wind turbines are pooled into areas called wind farms that are gridded areas to put wind energy </li></ul>
  7. 7. Pros of wind turbines <ul><li>Clean source of energy </li></ul><ul><li>Fewer environmental impacts than other sources of power </li></ul><ul><li>Don’t pollute water or air </li></ul><ul><li>Reduce the use for fossil fuels </li></ul><ul><li>Give extra incomes to farmers and businesses that help them stay in business </li></ul>
  8. 8. Cons of wind turbines <ul><li>Unappealing to the eye </li></ul><ul><li>Noisy </li></ul><ul><li>Can catch on fire and leak though it is rare </li></ul><ul><li>Birds and bats get hit and die </li></ul>
  9. 9. Citations <ul><li>http://atlantissolar.com/WINDENERGY1.gif </li></ul><ul><li>http://www.winthropsolutions.biz/assets/images/Turbine.png </li></ul><ul><li>http://ic.galegroup.com/ic/scic/ReferenceDetailsPage/ReferenceDetailsWindow?displayGroupName=Reference&disableHighlighting=true&prodId=SCIC&action=e&windowstate=normal&catId=GALE%7C00000000MU9O&documentId=GALE%7CCV2434500580&mode=view </li></ul><ul><li>http://www.eia.doe.gov/kids/energy.cfm?page=wind_home-basics </li></ul><ul><li>http://www.organicsoul.com/wp-content/uploads/2011/04/Wind-Turbines.jpg </li></ul><ul><li>http://plainswindeis.anl.gov/images/photos/wind_450KW_turbine_IA_V_13764.jpg </li></ul><ul><li>http://wind-power-turbines.info/images/Location_Of_Wind_Turbines_In_Iowa-9054.jpg </li></ul><ul><li>http://www.silvaqualitycleaning.com/yahoo_site_admin/assets/images/wcafi_clean-air-only_cropwe.307195327.jpg </li></ul>

×