Abstract
The rotor blade is an important device that converts kinetic energy of wind into mechanical energy. It affects power performance, efficiency of energy conversion, load and dynamic stability of a wind power generation system. This paper presents an aerodynamic design of 3 MW class blade using BEM and confirms that the design satisfies the initial design target by BEM and CFD analysis. To investigate the effects of radial flow at the inboard region, the result of static BEM analysis was compared with the result of CFD analysis. The result of quantitative comparison among thrust force, power coefficient and mechanical power depending on wind speed change is presented. Furthermore, design reference data such as pressure, streamline, torque and thrust force distribution on the blade surface is presented as well.
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This paper was recommended for publication in revised form by Associate Editor Jun Sang Park
Bumsuk Kim received his B. S. in Mechanical Engineering in 2001 from Korea Maritime University, and his M. S. and Ph. D. in Mechanical Engineering in 2003 and 2005, respectively, from Korea Maritime University. He has been a principal research engineer since 2007 in the Green and Industrial Technology Center, Korean Register of Shipping. His research interests cover aerodynamic and structural design of large wind turbine blade and design assessment.
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Kim, B., Kim, W., Bae, S. et al. Aerodynamic design and performance analysis of multi-MW class wind turbine blade. J Mech Sci Technol 25, 1995–2002 (2011). https://doi.org/10.1007/s12206-011-0521-x
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DOI: https://doi.org/10.1007/s12206-011-0521-x