Alternative Forms of Generating Electrical Energy: Wind, Solar and Fuel Cell Power

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Issue:

Science

 

Written by:

Sheila J

 

Date added:

February 16, 2013

 

Level:

 

Grade:

A

 

No of pages / words:

15 / 3989

 

Was viewed:

6664 times

 

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Essay content:

The power reaches a circular area, with an area of about 1.27 x 1014?? m?. Therefore, the power that reaches the Earth is 1.744 x 1017 W every hour. Approximately one to two percent of this energy is converted into wind energy. This process occurs when the energy from the sun heats the air, which constitutes the Earth's atmosphere...
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The air at 0° latitude receives a greater portion of the energy, due to its closer proximity to the source of energy, the sun. As the air around the equator is less dense, due to its increased temperature, it rises roughly 10 km up and then moves towards either of the Earth's poles. Due to the rotation of the Earth, this air is diverted counter-clockwise in the Northern Hemisphere, and clockwise in the Southern Hemisphere...
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