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Renewable Energy 3 Wind Power
Wind Power
10
Engineering
Undergraduate 1
10/25/2009

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Cards

Term
By the year 2020, wind energy has the potential to provide how much of the world’s total electricity demand?
Definition
12%
Term
The typical size of a wind turbine at the beginning of the 21st century was:
Definition
750 kW
Term
The largest wind turbine in the world is
Definition
7 MW
Term
Global winds are formed because of:
Definition
Uneven heating of air masses by the sun
Term
Local winds, sea breezes form because of:
Definition
Difference in heat capacities between land and water
Term
The energy of wind is proportional to
Definition
Third power of wind velocity
Term
The maximum theoretical efficiency of a wind turbine is defined by:
Definition
Betz law
Term
Energy from a wind turbine is dependent on
Definition
Wind speed
Term
Wind turbines are producing (type of electricity)
Definition
AC electricity
Term
At 150 m from a typical wind turbine, the noise is roughly:
Definition
45 dB
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