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Which of the following is not related to flow separation?

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in Aerodynamics by (773k points)
Which of the following is not related to flow separation?

(a) Reduction of lift

(b) Increased drag

(c) Adverse pressure gradients

(d) Attached flow

This question was posed to me during a job interview.

My enquiry is from Viscous Flow in section Incompressible Flow over Airfoils of Aerodynamics

1 Answer

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Best answer
The correct choice is (d) Attached flow

The best explanation: The region of adverse pressure gradient near the trailing edge causes flow separation, which consequently causes lesser lift and higher drag. The flow is no more attached when flow separation occurs.

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