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CFD STUDY OF A SWEEP-TWIST HORIZONTAL AXIS WIND TURBINE BLADE
(INST NATL CERCETARE, 2016) Kaya, M. N.; Kose, F.
Wind energy is being used to generate electricity in many countries all over the world and still the contribution of wind energy to electricity supply increases every day. Researchers work on innovative solutions to increase the efficiency and decrease the cost of wind turbine components, especially those of blades. Various blade designs for different operation conditions are presented in the literature and sweeptwist blades are new type of blades introduced recently. This paper focuses on the numerical investigation of a sweep-twist wind turbine blade using ANSYS-Fluent. NREL Phase VI wind turbine blade is used as the baseline blade and the sweep-twist blade is designed by adding an offset that is 5% of the blade span to the tip. Power output and thrust forces are calculated using the simulation results for both original and sweep blades. In addition, results are compared to the experimental data of original NREL Phase VI blade.