Wind Energy Flashcards
1
Q
Energy from moving air
A
Wind energy
2
Q
Percentage of maximum extractable energy from the wind; also called Betz coefficient
A
59.3% or 16/27
3
Q
2 types of wind turbines
A
Horizontal-axis wind turbines (HAWTs)
Vertical-axis wind turbines (VAWTs)
4
Q
refers to the ratio between the wind speed and the speed of the tips of the wind turbine blades
A
tip-speed ratio
5
Q
What does tip-speed ratio depend on?
A
The blade airfoil profile used
the number of blades
the type of wind turbine
