Development of Form-Adaptive Airfoil Profiles for Wind Turbine Application

Ahmed, Irfan

kassel university press, ISBN: 978-3-7376-0374-4, 2017, 210 Pages

DOI: 10.19211/KUP9783737603751

Zugl.: Kassel, Univ., Diss. 2017

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Content: The following work summarizes the development of shape-adaptive airfoil profiles for wind turbine application. The underlying motivation of this work is the potential cost effectiveness of wind power conversion through the introduction of shape-adaptive airfoils in future wind turbine blades. The employment of shape adaption system in the
wind turbine blade geometry would facilitate a more efficient power harvesting for the next generation of smart wind turbines. In the scope of this work, the concepts of the dedicated shape-adaptive airfoil profiles for wind turbine application are investigated in light of their aerodynamic performances. The concepts of the actuation system are
developed while taking pre-defined design boundary conditions suitable for wind turbine application into consideration. A novel numerical approach is developed towards the simulation of fluid-structure interaction for prototype shape-adaptive airfoils. The numerical scheme is employed in designing the shape-adaptive blade prototypes. Effort
has been given to develop a unique actuator system for wind turbine application. In a next step, experimental investigations are carried out to quantize the aerodynamic flow-field around the shape-adaptive airfoils. Parallelly, experimental investigations are carried out on a rigid NACA 0012 airfoil to log its performance at different stagger angles. In a further step, numerical investigations are carried out on the different airfoil configurations. Finally, performance analyses of the airfoils are carried out. The shape-adaptive airfoils outperform the rigid NACA 0012 airfoil for the desired performance envelope.

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