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Considering subsonic incompressible airflow through a Venturi, which statement is correct?
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The dynamic pressure in the throat is lower than in the undisturbed airflow.
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The total pressure in the throat is higher than in the undisturbed airflow.
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What are winglets and what is the advantage of winglets?
What are winglets and what is the advantage of winglets?
They are aerodynamically efficient surfaces located at the wing tips, designed to reduce induced drag and increase fuel efficiency.
They increase efficiency by reducing the size of the wingtip vortices, which are created by the difference between the pressure on the upper surface of the wing and that on the lower surface.