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3 cards from this section. Quick, good the night before a test.
What is lift?
Think about how airplanes take off.
What does drag do?
Consider how wind affects objects in its path.
What force acts perpendicular to the wind and promotes turbine movement?
Think of how airplanes stay in the air.
True or False: Pitch control allows blades to change their angle to improve efficiency.
Consider how your car changes gear for acceleration.
Given a turbine experiencing stall at high wind speeds, analyze the aerodynamic forces and suggest a design modification.
Think about safe designs used in aviation to recover from stalls.
Consider a scenario where a wind turbine blade has a drag coefficient of 0.5. Calculate the expected drag force if the dynamic pressure is 200 N/m².
Remember to find the reference area for the blades first.
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