A hybrid Navier-Stokes potential flow methodology for modeling three-dimensional unsteady viscous flow over horizontal axis wind turbine configurations is presented. In this approach, the costly viscous flow equations are solved only in a small viscous flow region surrounding the rotor. The rest of the flow field is modeled using a potential flow methodology. The tip vortices are modeled using a free wake approach, which allows the vortices to deform and interact with each other. Sample results are presented for two rotor configurations tested by the National Renewable Energy Laboratory. Comparisons with experimental data, full Navier-Stokes simulations and blade element momentum theory are given to establish the efficiency and accuracy of the present scheme. [S0199-6231(00)00601-8]
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February 2000
Technical Papers
Computational Study of Horizontal Axis Wind Turbines
Guanpeng Xu,
Guanpeng Xu
School of Aerospace Engineering, Georgia Institute of Technology, Atlanta, GA 30332
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Lakshmi N. Sankar
Lakshmi N. Sankar
School of Aerospace Engineering, Georgia Institute of Technology, Atlanta, GA 30332
Search for other works by this author on:
Guanpeng Xu
School of Aerospace Engineering, Georgia Institute of Technology, Atlanta, GA 30332
Lakshmi N. Sankar
School of Aerospace Engineering, Georgia Institute of Technology, Atlanta, GA 30332
Contributed by the Solar Energy Division of THE AMERICAN SOCIETY OF MECHANICAL ENGINEERS for publication in the ASME JOURNAL OF SOLAR ENERGY ENGINEERING. Manuscript received by the ASME Solar Energy Division, Mar. 1999; final revision, Feb. 2000. Associate Technical Editor: P. S. Veers.
J. Sol. Energy Eng. Feb 2000, 122(1): 35-39 (5 pages)
Published Online: February 1, 2000
Article history
Received:
March 1, 1999
Revised:
February 1, 2000
Citation
Xu , G., and Sankar, L. N. (February 1, 2000). "Computational Study of Horizontal Axis Wind Turbines ." ASME. J. Sol. Energy Eng. February 2000; 122(1): 35–39. https://doi.org/10.1115/1.556278
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