Abstract
This chapter discusses the blade design procedure and different approaches used for the aerodynamics of horizontal-axis wind turbines (HAWTs) with emphasis on the blade element momentum theory (BEMT). It begins by outlining the critical design parameters and then provides an overview of two popular aerodynamic methods, namely computational fluid dynamics (CFD) and the vortex method. The article then delves into the BEMT, a powerful and efficient method for designing HAWT blades. This chapter also provides the necessary corrections to the BEMT to ensure that its output matches the experimental data. The NREL 5MW HAWT blade is utilized as a case study in this chapter, and the aerodynamic forces are calculated employing the BEMT method.
Published Version
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