Blading for reaction turbine blade row

Details Blading for reaction turbine blade row Blading for reaction turbine blade row

F - Mech Eng,Light,Heat,Weapons

01

D

170/81

F01D 5/14 (2006.01)

Patent

CA 2027642

ABSTRACT OF THE DISCLOSURE 55,300 A blade for a steam turbine has a concave, pressure-side surface which has a constant radius of curvature, while the convex, suction-side surface has a continuously increasing radius curvature. The constantly increasing radius of curvature allows fluid to accelerate and thus ensure a small boundary layer thickness. The center gravity of the blade tenon is located above the center gravity of the airfoil and will reduce the steam bending stress applied at the base of the airfoil as well as at the root of the rotor blade.

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