Gust (wind) - Wind Energy

Wind Energy

Wind energy is the kinetic energy of the air in motion. Total wind energy flowing through an imaginary area A during the time t is:

E = A·v·t·ρ·½ v2,

where v is the wind velocity and ρ is the air density. The formula presented is structured in two parts: (A·v·t) is the volume of air passing through A, which is considered perpendicular to the wind velocity; (ρ·½ v2) is the kinetic energy of the moving air per unit volume.

Total wind power is:

P = E/t = A·ρ·½ v3

Wind power is thus proportional to the third power of the wind velocity.

Read more about this topic:  Gust (wind)

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