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Aeroelastic rotor model for wind power generator

Grant number: 14/21166-7
Support Opportunities:Scholarships in Brazil - Scientific Initiation
Effective date (Start): May 01, 2015
Effective date (End): December 01, 2016
Field of knowledge:Engineering - Aerospace Engineering - Aerospace Structures
Principal Investigator:Flávio Donizeti Marques
Grantee:Carlos Renan dos Santos
Host Institution: Escola de Engenharia de São Carlos (EESC). Universidade de São Paulo (USP). São Carlos , SP, Brazil
Associated scholarship(s):15/10278-1 - Enhancing aeroelastic model of wind turbines by including dynamic stall prediction schemes, BE.EP.IC


Wind turbines represent a technology for electrical energy generation that has been applied widely in the world. Their evolution leads to the development of rotors with blades of large aspect ratio, reaching spans over 100 meters. Consequently, these blades have great flexibility and become subject to various aeroelastic problems. Thus, the study of aeroelastic behavior of wind rotors is fundamental to avoid adverse conditions when in operation. This research project proposes the development of a computational model to analyze the aeroelastic phenomena in rotor wind generators. To do this, the aerodynamic model is based on the Unsteady Vortex Lattice Method, which is coupled to structural-dynamic model based on rotating beam finite element, ensuring that the gyroscopic effects of the structure will be accounted. The coupled models are achieved with surface splines interpolation technique in modal coordinates originated in the structure. The results are going to be made from the aeroelastic responses simulation for different operating conditions.

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Scientific publications
(References retrieved automatically from Web of Science and SciELO through information on FAPESP grants and their corresponding numbers as mentioned in the publications by the authors)
DOS SANTOS, CARLOS R.; MARQUES, FLAVIO D.. Lift Prediction Including Stall, Using Vortex Lattice Method with Kirchhoff-Based Correction. JOURNAL OF AIRCRAFT, v. 55, n. 2, p. 887-891, . (16/24522-4, 14/21166-7)

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