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Old 05-21-2019, 06:47 PM   #12 (permalink)
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Originally Posted by freebeard View Post
I don't think anything can act at right angles to the airflow. Any effect will propagate downstream.
Not a right angle, necessarily, but an acute one--there has to be low enough pressure on the trailing side of the VG, since that's what induces the vortex.

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