#TITLE_ALTERNATIVE#

• Main Author: GUNAWAN (NIM : 13604004); Pembimbing : Dr. Ir. Hendri Syamsudin, MARTIN
• Format: Final Project
• Language: Indonesia
• Online Access: https://digilib.itb.ac.id/gdl/view/16378
• Institution: Institut Teknologi Bandung

Today, the need for electric energy and the efforts to reduce dependence on oil for fuel is increasing. One solution to this problem is the utilization of wind energy using wind turbines for power generation. <br /> <br /> <br /> <br /> <br /> In this final project, the modeling of composite wind turbine blades is to see the influence of the number of layers towards the strength of the structure under load from the wind speeds varied between 5-12m/s for configuration A. Effect of number of layers on the strength of the wind turbine blades can be seen by making the configuration B on wind speeds varied between 5-9m/s. <br /> <br /> <br /> <br /> <br /> Wind turbine modelling needs to be done in order to perform calculations and numerical analysis using finite element method which uses three-dimensional modeling (FEM 3-D). The <br /> <br /> <br /> <br /> <br /> model has a radius of 1.2m, taper ratio 0.5 with chord at root 0.03m and NACA 4415 airfoil cross-section. Materials used in wind turbine blades is E Glass in woven roving form. From the two configurations composite composition used, found that the maximum speed that can be taken by wind turbine blades are up to speed 11m /s for configuration A with &#945;max of 0.89 and maximum speed up to speed 8m/s for configuration B with &#945;max of 0.93. Deflection at the tip that occurs in the configuration A is for 0.111m at a speed of 11m/s and 0.0916m at a speed of 8m/s for configuration B.