Investigation of Vortex Generators for Augmentation of Wind Turbine Power Performance

    Research output: NRELSubcontract Report

    Abstract

    This study focuses on the use of vortex generators (VGs) for performance augmentation of the stall-regulated AWT-26 wind turbine. The goal was to design a VG array which would increase annual energy production (AEP) by increasing power output at moderate wind speeds, without adversely affecting the loads or stall-regulation performance of the turbine. While the present work did not lead toimproved AEP for the AWT-26 turbine, it does provide insight into performance augmentation of wind turbines with VGs. The safe design of a VG array for a stall-regulated turbine has been demonstrated, and several issues involving optimal performance with VGs have been identified and addressed.
    Original languageAmerican English
    Number of pages80
    StatePublished - 1996

    Bibliographical note

    Work performed by R. Lynette & Associates, Inc., Seattle, Washington

    NREL Publication Number

    • NREL/SR-440-21399

    Keywords

    • renewable energy (RE)
    • wind turbine design
    • wind turbine rotors

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