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All About Wind

All About Wind. www.omniti.com. What Do We Need to Produce Wind Energy?. Wind!. How Does Wind Form…. The rotation of the Earth (Coriolis effect): The Earth spins about 1000 mph at the equator The spinning of the Earth causes the atmosphere to spin along with it in a curved path.

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All About Wind

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  1. All About Wind www.omniti.com

  2. What Do We Need to Produce WindEnergy? Wind!

  3. How Does Wind Form… • The rotation of the Earth (Coriolis effect): • The Earth spins about 1000 mph at the equator • The spinning of the Earth causes the atmosphere to spin along with it in a curved path www.mhhe.com

  4. …How Does Wind Form? • Differences in temperature: • Angle of sun rays are greater towards poles (less heat at high latitudes) • Warm air from the equator moves towards the poles and cool air from the poles moves towards the equator • Mountains day: cool air on top, warm air below night: cool air drops, warm air rises • Large bodies of water (cooler than land in day) easyweb.easynet.co.uk

  5. Wind Instruments www.sendweathervanes.com www.process-controls.com www.process-controls.com Ultrasonic Anemometer Wind Vane Cup Anemometer

  6. Windy Site Locations • Wind speeds increase with altitude: • Hills are better than depressions • Tall towers are better than short towers • Flat coastlines are better than steep cliffs (turbulence) • Large bodies of water cause wind changes: • Offshore turbines are popular due to stronger winds • The cooling and heating effect of water and land creates wind www.me3.org www.windpower.org

  7. Turbulence • Causes of Turbulence: Buildings, Steep Cliffs, Trees … www.u.arizona.edu

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