NASA NTRS · 19930054849
X-29 vortex flow control tests
Abstract
A joint Air Force/NASA X-29 aircraft program to improve yaw control at high angle of attack using vortex flow control (VFC) is described. Directional VFC blowing proved to a be a powerful yaw moment generator and was very effective in overriding natural asymmetries, but was essentially ineffective in suppressing wing rock. Symmetric aft blowing also had little effect on suppressing wing rock.
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Hancock, Regis, Fullerton, Gordon. 1992-01-01. X-29 vortex flow control tests. https://ntrs.nasa.gov/citations/19930054849
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