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4 cards from this section. Quick, good the night before a test.
What does HAWT stand for?
Think about the shape of the axis.
Name one part of a HAWT.
Consider the main components that help capture energy.
What type of axis do HAWTs rotate around?
Think about how the wind moves and how turbines are oriented.
HAWTs require a yaw system. True or False?
Consider how these turbines maintain optimal orientation.
If a HAWT has rotor blades with a diameter of 80 meters and operates with a wind speed of 10 m/s, calculate the power output using the Betz limit (maximum efficiency of 59.3%). Use the formula: Power = 0.5 * ρ * A * v^3, where ρ is air density (approximately 1.225 kg/m³) and A is the swept area.
Remember to use the three parts of the power equation and the Betz limit.
Discuss the environmental implications of siting a HAWT in a migratory bird path. What factors should be taken into account?
Consider the potential dangers to wildlife from turbine placement.
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