Curvilinear turbine airfoil
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United States of America Patent
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-
May 2, 1989
Grant Date -
N/A
app pub date -
Dec 29, 1986
filing date -
Dec 29, 1986
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A turbomachinary airfoil in one form comprises a pressure side and a suction side curved circumferentially outward in the direction that the suction side faces. The invention is effective for reducing both radial and circumferential boundary layer pressure gradients thereby reducing airfoil aerodynamic losses. In another form of the invention the airfoil is a vane of a turbine vane assembly having an inner and outer shroud wherein the vane in addition to being curved is leaned circumferentially outward in the direction that the suction side faces.
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