Process of forming an objective function of the blades of a wind turbine using the optimal design
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Abstract
This paper shows the process of forming a wind turbine blade objective function using the optimal design. The main contribution of the work is the three-dimensional objective function, which allows generating multiple designs that optimize the blade mass, under constraints that are in the domain of the Von Mises stress and the specific velocity. The BEM theory is used in the aerodynamic and structural design of the blades. Turbine power of 12.5 kW and airfoil NRELS818 were taken as parameters. Finite element simulations were carried out, using three load hypotheses, under the UNE-EN 61400-2 standard, in order to know the mechanical behavior of the blades. The objective function found provides a design region of the blades in which coexist those designs of different masses that satisfy the stress and specific speed restrictions. This should be used as a support to generate wind turbine blades in optimal conditions and reduce manufacturing costs.
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Universidad Michoacana de San Nicolás de Hidalgo, Coordination of Scientific Research, Av. Francisco J. Mujica, Building "C-2", Ciudad Universitaria, Morelia, Michoacán, México, C.P. 58030. All rights reserved. This magazine may be reproduced for non-profit purposes, as long as the full source and its email address are cited. Otherwise it requires prior written permission from the institution and author.
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