Prediction on The Maximum Lift Force of Twisted Clark Y Wind Turbine Blade With 30° Winglet Tip in Various Pitch Angles Using CFD Method

Author:

Arini Nu Rhahida,Muhammad Gilang,Pratilastiarso Joke,Tridianto Erik,Sumantri Bambang,Nugroho Setyo

Abstract

Abstract The wind energy is one of the renewable energy which is extracted the most amongst other resources. However, the performance still required to be improved by modifying the wind turbine blade. In this study, the modification is employed at the tip of the blade using 30° winglet. The aim of this paper is to investigate numerically the lift of force of the modified Clark Y foil in various pitch angles and predict the pitch angle at which the maximum lift is found to be maximum. There are five pitch angle variations, and they are 0°, 12°, 22°, 32°, and 42°. 3D CFD models are used using OpenFOAM 8. From the results, it can be seen that the maximum lift force was achieved at the pitch angle variation of 32° with the value of 1.245 and the maximum drag force was achieved at the pitch angle variation of 22° with the value of 1.325. While the maximum C l /C d that represents aerodynamic efficiency was achieved at the variation of 12° with the value of 2.915.

Publisher

IOP Publishing

Subject

General Engineering

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