Www.omniti.com. Wind! What Do We Need to Produce Wind Energy?

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Presentation transcript:

Wind! What Do We Need to Produce Wind Energy?

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 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) …How Does Wind Form? easyweb.easynet.co.uk

Wind Instruments Wind Vane Ultrasonic Anemometer Cup Anemometer

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 Windy Site Locations

Turbulence Causes of Turbulence: Buildings, Steep Cliffs, Trees …