Wind Energy Ahmed Mohamed and William Nelson.

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Presentation transcript:

Wind Energy Ahmed Mohamed and William Nelson

What is Wind Energy? Wind is caused by uneven heating of the Earth’s atmosphere, which causes high pressure pockets and low pressure pockets. Areas of high pressure move towards areas of low pressure. Wind Energy is, in a way, another form of Solar Energy because of this Wind Energy is sustainable so long as both the Earth’s rotation exist and the Earth is heated by the sun

Advantages No fuel costs Renewable, clean Cost-effective ($0.04/kWh) No limit as to where it can be placed Doesn’t pollute the air Sustainable

Disadvantages Reliant on wind; if it isn’t windy, there’s no electricity being generated ~30% efficient Can harm wildlife (birds) Noise/Visual pollution

How does it work? Wind forces the rotor blades to spin which provides electrical power to a generator Electricity is transferred to other places using power lines Can be used alongside other energy sources

Power output P = ½CpAV^3 p = Air density C = Coefficient of performance A = Frontal area V = Wind velocity

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