| Author(s): |
dos Santos, C. R.
;
da Silva, M. M.
;
Marques, F. D.
;
Desmet, W
;
Pluymers, B
;
Moens, D
;
Rottiers, W
Total Authors: 7
|
| Document type: | Journal article |
| Source: | PROCEEDINGS OF INTERNATIONAL CONFERENCE ON NOISE AND VIBRATION ENGINEERING (ISMA2018) / INTERNATIONAL CONFERENCE ON UNCERTAINTY IN STRUCTURAL DYNAMICS (USD2018); v. N/A, p. 10-pg., 2018-01-01. |
| Abstract | |
Aeroelastic vibrations have been investigated as a way to convert the energy from airflows into electric energy. In the case of stall-induced oscillations, previous works have demonstrated that structural parameters affect the amount of energy extracted from the airfoil motion. In this sense, the present work proposes the optimization of such structural parameters to increase the power harvested from an airfoil undergoing pitching oscillations at high angles of attack. The optimization process utilizes a metamodel to approximate the cost function in the interval of interest for the variables to be optimized. The metamodel considers the four-dimensional Kriging interpolation, which models the results obtained from different simulations previously set by the Design of Experiments (DOE). Results show that the absence of torsional springs and the reduction of the airfoil mass and moment of inertia, as well the position of the elastic axis around 0.336 of the chord length characterizes the optimal harvester. (AU) | |
| FAPESP's process: | 17/09468-6 - Optimization of the energy harvesting from airfoil stall induced oscillations |
| Grantee: | Carlos Renan dos Santos |
| Support Opportunities: | Scholarships in Brazil - Doctorate (Direct) |
| FAPESP's process: | 17/02926-9 - Airfoil unsteady aerodynamic loading assessment under dynamic stall for semi-empirical model validation |
| Grantee: | Flávio Donizeti Marques |
| Support Opportunities: | Regular Research Grants |