Energy Expo: WIND - PowerPoint PPT Presentation

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Energy Expo: WIND

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  1. WIND Energy Expo: WIND By: Linda Ma, Ted Murray, MizukiDavis Geothermal Uranium Propane Solar Biomass Natural gas Hydropower Petroleum Coal

  2. Wind • Wind Energy is air in motion, converted into kinetic energy. • Wind does not need to be produced, so there will always be a constant supply of it. • A wind farm is very expensive to set up, but is one of the cheapest forms of energy to maintain. • Wind energy is also a form of solar energy, so it is renewable.

  3. History • For thousands of years, Wind has been used as a source of energy. • Wind energy has paid a large roll in our history. For example, sailors used wind to capture in their sails, and the Spanish Armada was defeated by stormy weather and wind. • The first windmills were made in Sistan, Afghanistan in the 7th century, by the Rashidun caliph Umar. They generally looked like this >>>>>>>>>>>>>>>>>>>>> • The first windmills were used for grain grinding and water pumping.

  4. Where do we get it? • All wind energy comes from the sun. • Natural winds cause the turbines to rotate, which is mechanical energy. Then, that mechanical energy turns into electric energy, which travels into homes and other building to produce electricity.

  5. How is it stored and released? • Most wind is stored in batteries. • You cannot control when the wind blows, so it can not always be released. • There for, Wind energy does not always meet the timing of electricity demands.

  6. How is it used today? • Wind is accounting for 2.3% of electricity generated in the United States. • Fourteen states have installed over 1,000 megawatts of wind capacity. • Wind energy can be used to provide electricity to any type of building.

  7. Advantages and Disadvantages ADVANTAGES: • Wind is a clean energy source. • It is very cheap to supply, so you do not have to pay lots of money for it. • Wind doesn’t need a factory to be produced, so it is protecting the environment. • It can be recycled. DISADVANTADES: • In summer, there is not as much wind as the rest of the year, so the amount of the supply is inconsistent. • It makes a lot of noise. • It needs big open spaces of land to be on. • Windmill farms are only available in certain states.

  8. Future • In Germany, their goal is to raise their wind power usage to 40% by 2020. • Some believe that the future for energy belongs to wind. • We are going to turn to wind from oil, because the oil may run out, and wind energy will never run out, creating wind-generated hydrogen and solar cells. • The wind-generated hydrogen will supposedly shape the global economy.

  9. Recorces • • • • •

  10. WIND! Thanks for watching!!!