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单词 wind power
释义 wind power
The use of winds in the earth's atmosphere to drive machinery, especially to drive an electrical generator. Practical land-based wind generators (aerogenerators ) are probably capable of providing some
1020 J (1014 kW h
) of energy per year throughout the world and interest in this form of renewable energy is increasing. The power, P, available to drive a wind generator is given by
P = kd2v3
, where k is the air density, d is the diameter of the blades, and v is the average wind speed. Wind farms now exist in many parts of the world; California, for example, has the capacity to produce over 1200 MW from wind energy
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更新时间:2025/6/23 18:44:56