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Vortex generator is used to ____________

(a) reattach separated flow

(b) increase volume

(c) increase surface area

(d) separate flow

This question was addressed to me in my homework.

My question is based upon Configuration Layout in division Configuration Layout Considerations of Aircraft Design

1 Answer

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Best answer
Correct answer is (a) reattach separated flow

Easiest explanation: Vortex generator is small body placed on surface to reattach the separated flow. A flow flows around the vortex generator, it curls the flow. And as a result of which flow is being forced to swirl and to flow reattaches to the surface if it has separated.

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