Root region airfoil for wind turbine

Patent · Tue May 23 00:00:00 EDT 1995

OSTI ID:55812

Tangler, J. L.; Somers, D. M.

A thick airfoil is described 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. 3 Figs.

• Research Organization: National Renewable Energy Laboratory (NREL), Golden, CO (United States)
• Sponsoring Organization: USDOE
• DOE Contract Number: AC02-83CH10093
• Assignee: Midwest Research Institute, Kansas City, MO (United States)
• Patent Number(s): US 5,417,548/A/
• Application Number: PAN: 8-181,008
• OSTI ID: 55812
• Resource Relation: Other Information: PBD: 23 May 1995
• Country of Publication: United States
• Language: English

Related Subjects

17 WIND ENERGY
WIND TURBINES
AIRFOILS
DESIGN
TURBINE BLADES
PERFORMANCE