Question:
The profile drag for a two-dimensional aerofoil is
The profile drag for a two-dimensional aerofoil is
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Profile drag = form drag + skin friction drag; it excludes induced drag.
Updated On: June 02, 2025
- the pressure drag on the profile
- the sum of pressure (or form) drag and skin friction drag caused by the viscosity
- the sum of form drag and wave drag
- drag due to lift
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The Correct Option is B
Solution and Explanation
Profile drag in a 2D aerofoil includes both form drag (due to pressure difference) and skin friction drag (due to viscosity).
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