Strength Analysis of Horizontal-Axis Wind Turbine Blade
Main Article Content
Abstract
Wind energy is one of the forms of renewable energy that has been developed strongly in recent times. Wind turbines are used to take advantage of this free and clean energy source. To increase capacity, developers often increase the size of wind turbines. The increased size of the wind turbine leads to an increase in the size of the blades. Along with the increase in size, the deformation of the blade also increases as the blade size increases. The deformation that occurs during wind turbine operation is due to the pressure load distributed across the blades. Controlling the deformation of the turbine blade that occurs during operation will reduce the risk of cracking and breaking of the blade, thereby improving the performance of wind turbines, especially large sized wind turbines. In this paper, first Computational Fluid Dynamics (CFD) problem was solved to find the load distribution on the blade surface of GE1.5XLE turbine blade of horizontal-axis wind turbines (HAWT) with air velocity of 12 m/s. Then, this load distribution was used as an input condition for Fluid-Structure Interaction (FSI) problem to find out the deformation of the blade. The simulation methods using in this paper were estimated with help of ANSYS software. The results deviated by less than 2% from the manufacturer's data.
Keywords
ANSYS, CFD, FSI, HAWT, wind turbine.
Article Details
References
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