Root region airfoil for wind turbine

Details Root region airfoil for wind turbine Root region airfoil for wind turbine

1994-01-14

1995-05-23

Kwon, John T.

Fluid reaction surfaces (i.e., impellers)

Specific blade structure

Radial flow devices

416DIG2, 416DIG5, B63H 126

Patent

active

054175488

ABSTRACT:
A thick airfoil for the root region of the blade of a wind turbine. The airfoil has a thickness in a range from 24%-26% and a Reynolds number in a range from 1,000,000 to 1,800,000. The airfoil has a maximum lift coefficient of 1.4-1.6 that has minimum sensitivity to roughness effects.

REFERENCES:
patent: 4240598 (1980-12-01), Espin et al.
patent: 4412664 (1983-11-01), Noonan
patent: 4416434 (1983-11-01), Thibert et al.
patent: 4630787 (1986-12-01), Middlebrook
patent: 4652213 (1987-03-01), Thibert et al.
patent: 4668169 (1987-05-01), Perry
patent: 5209643 (1993-05-01), Cole

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