Vortex Generators

JD88

If I am using vortex generators in an attempt to delay diffuser separation what would the consequence be of the vortex generators stalling? For instance if I set them at and angle of attack to the flow that was past the stall point.

FredGarvin

I would imagine that the "stalling" of the generators would create distortion which would kill your pressure recovery. There has been quite a bit of research in this area. Have you done any looking into journal articles or papers? ASME's journal of turbomachinery is a very good resource as is AIAA's journal sources.

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JD88	Vortex Generators If I am using vortex generators in an attempt to delay diffuser separation what would the consequence be of the vortex generators stalling? For instance if I set them at and angle of attack to the flow that was past the stall point.

FredGarvin Recognitions: Science Advisor	I would imagine that the "stalling" of the generators would create distortion which would kill your pressure recovery. There has been quite a bit of research in this area. Have you done any looking into journal articles or papers? ASME's journal of turbomachinery is a very good resource as is AIAA's journal sources.