TY  - JOUR
T1  - Numerical Evaluation of the Tensional-Deformational State of the Blade in the Gamesa G52/850 Wind Turbine During the Action of Extreme Wind
AU - Limas, Pedro AU - Trinchet, Carlos AU - Almaguer, Pavel AU - Vargas, Javier AU - Isaza, Lauren 
JO  - Journal of Engineering and Applied Sciences
VL  - 14
IS  - 10
SP  - 3371
EP  - 3377
PY  - 2019
DA  - 2001/08/19
SN  - 1816-949x
DO  - jeasci.2019.3371.3377
UR  - https://makhillpublications.co/view-article.php?doi=jeasci.2019.3371.3377
KW  - Wind turbine
KW  -wind speed
KW  -blade
KW  -fluid
KW  -simulation
KW  -scientifically demonstrated
AB  - In this research is exposed to procedure to determine the mechanical behavior of the blade during extreme wind action for the GAMESA G52/850 wind turbines installed in the Gibara Wind Farm. For this, the
complex geometry of esta blade is analyzed and its CAD modeling is performed, the sequence is defined to determine the loads acting, making the evaluation of the tensional-deformational state before different positions of the blade with respect to the mast. The finite element method analyzes the convergence of the mesh without detecting significant differences. The results of the numerical simulation showed that in front of winds of 250 km/h in a position of 90° (Flag) the blade resists the stresses to which it is subjected, however, it is not so in the 0° position. For winds greater than 250 km/h in any of the cases. These loads are supported. Considering the enormous dimensions of this type of wind turbine and that in the face of adverse weather conditions there is no possibility of collapsing or disarming it has-been scientifically demonstrated that the (Flag) position is
the available option to reduce damages.
ER  -