Performance and power regulation characteristics of two aileron-controlled rotors and a pitchable tip-controlled rotor on the Mod-0 wind turbine
Tests were conducted on the DOE/NASA Mod-0 horizontal-axis wind turbine to compare and evaluate the performance and the power regulation characteristics of two aileron-controlled rotors and a pitchable tip-controlled rotor. The two aileron-controlled rotor configurations used 20-percent- and 38-percent-chord ailerons, while the tip-controlled rotor had a pitchable blade tip. The ability of the control surfaces to regulate power was determined by measuring the change in power caused by an incremental change in the deflection angle of the control surface. The data shows that the change in power per degree of deflection angle for the tip-controlled rotor was four times the corresponding value for the 20-percent-chord ailerons. The root mean square power deviation about a power setpoint was highest for the 20-percent-chord aileron, and lowest for the 38-percent-chord aileron. 1 ref., 19 figs.
- Research Organization:
- National Aeronautics and Space Administration, Cleveland, OH (USA). Lewis Research Center
- DOE Contract Number:
- AI01-76ET20320
- OSTI ID:
- 5719857
- Report Number(s):
- DOE/NASA/20320-73; NASA-TM-100136; ON: DE88001481
- Resource Relation:
- Other Information: Portions of this document are illegible in microfiche products. Original copy available until stock is exhausted
- Country of Publication:
- United States
- Language:
- English
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