Ajay Veludurthi1, Venkateshwarlu Bolleddu2,*
Energy Engineering, Vol.117, No.2, pp. 49-61, 2020, DOI:10.32604/EE.2020.010666
- 23 April 2020
Abstract This work focused on modal and harmonic analysis of small wind
turbine blades taken from the NACA 63415 series. The sandwich structure type
composite blade is fabricated from GFRP and epoxy with Uni-vinyl hard foams of
different alignments as stiffeners. In this work, the modal and harmonic analysis
of different varieties of blades like solid, hallow and rectangular alignment blades
is carried out by the finite element method using ANSYS 18.1 software. From
Finite Element Analysis, the natural frequencies, amplitudes and mode shapes are
obtained. Based on the working principle of wind turbine blades, the More >
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