Prediction of Wind Turbine Rotor Loads Using the Beddoes-Leishman Model for Dynamic Stall

[+] Author and Article Information
K. Pierce, A. C. Hansen

Mechanical Engineering Department, University of Utah, Salt Lake City, UT 84112

J. Sol. Energy Eng 117(3), 200-204 (Aug 01, 1995) (5 pages) doi:10.1115/1.2847783 History: Received March 01, 1994; Revised March 01, 1995; Online February 14, 2008


The Beddoes-Leishman model for unsteady aerodynamics and dynamic stall has recently been implemented in YawDyn, a rotor analysis code developed at the University of Utah for the study of yaw loads and motions of horizontal axis wind turbines. This paper presents results obtained from validation efforts for the Beddoes model. Comparisons of predicted aerodynamic force coefficients with wind tunnel data and data from the combined experiment rotor are presented. Also, yaw motion comparisons with the combined experiment rotor are presented. In general the comparisons with the measured data are good, indicating that the model is appropriate for the conditions encountered by wind turbines.

Copyright © 1995 by The American Society of Mechanical Engineers
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