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Vortex gen / APU question

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Old 27th Jul 2010, 19:49
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Vortex gen / APU question

Hey Guys,

Would anyone be able to provide me with an accurate answer as to why we have vortex generators in front of an APU inlet?

Appreciate any help!

PN
pitot_noob is offline  
Old 27th Jul 2010, 19:58
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VG's control the boundary layer flow of air. This is probably to smooth/conform the air flow for the APU inlet.
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Old 27th Jul 2010, 20:21
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Vortex generators re-energise the boundary layer and help prevent the flow from breaking away from the surface.

I presume the VG are there to ensure that the APU intake isn't prone to "stalling" with changes in wind strength and direction.
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Old 28th Jul 2010, 14:37
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Thanks!
Really appreciate the opinions!
pitot_noob is offline  

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