Airfoils for wake desensitization and method for fabricating same
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United States of America Patent
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Feb 2, 2016
Grant Date -
Jun 27, 2013
app pub date -
Dec 22, 2011
filing date -
Dec 22, 2011
priority date (Note) -
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Abstract
An airfoil and method of fabricating an airfoil including a first and a second side coupled at a leading and a trailing edge and extending there between. The airfoil includes a plurality of first chord sections having a first chord length and extending outward from one of the first side or second side at the leading edge and a plurality of second chord sections having a second chord length and extending outward from the one of the first side or the second side at the leading edge. The leading edge including spaced-apart wave-shaped projections defining a waveform. The configuration defining a three-dimensional crenulated airfoil configured to facilitate desensitization of an airfoil unsteady pressure response to at least one impinging upstream generated wake or vortex by decorrelating spatially and temporally and reducing in amplitude an unsteady pressure caused by interaction of the airfoil with the upstream generated wake or vortex.
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