S819, S820, and S821 Airfoils: October 1992--November 1993
A family of thick airfoils for 10- to 20-meter, stall regulated, horizontal-axis wind turbines, the S819, S820, and S821, has been designed and analyzed theoretically. The primary objectives of restrained maximum lift, insensitive to roughness, and low profile drag have been achieved. The constraints on the pitching moments and airfoil thicknesses have been satisfied.
- Research Organization:
- National Renewable Energy Lab. (NREL), Golden, CO (United States)
- Sponsoring Organization:
- US Department of Energy (US)
- DOE Contract Number:
- AC36-99-GO10337
- OSTI ID:
- 15011676
- Report Number(s):
- NREL/SR-500-36334; AF-1-11154-1; TRN: US200507%%635
- Resource Relation:
- Other Information: PBD: 1 Jan 2005; Related Information: Work performed by Airfoils, Inc., State College, Pennsylvania
- Country of Publication:
- United States
- Language:
- English
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