Abstract

Wind energy is one of the alternative energy sources that respond positively to both global warming and energy needs, due to the increasing population density and the adverse effects it has brought in recent years. In this study, modification on current design of wind turbines has been demonstrated in order to increase the energy yield obtained from renewable wind energy sources. With the investigation of Turkey’s wind map, a hybrid wind turbine design was carried out. This hybrid design incorporates Savonius and Darrieus type turbines which are used heavily in the literature. The hybrid design was developed to increase the performances of the vertical axis turbines from wind turbine types and to widen their usage areas. The comparison of the hybrid design with the conventional wind turbines were carried out by comparing their performance indexes such as efficiency, torque, and tip-speed ratio.

Highlights

  • Energy is one of the most important needs that humanity has needed since its existence

  • In the hybrid vertical wind tribune design, the number of blades was determined by first studying on Savonius and Darrieus wind turbines separately

  • This result is supported by the findings of Aymane [13]. In line with these results, three number of blades was chosen as the Savonius part of the hybrid wind turbine design in this study since the production cost and complication was lower and the performance graph was higher

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Summary

Introduction

Energy is one of the most important needs that humanity has needed since its existence. In order to meet this energy demand, wind energy is one of the renewable energy solutions that decreases tackles the climate change phenomena. New designs are made to increase the performance of wind turbines and more energy recovery is tried to be achieved [1, 2]. Wind turbines are divided into two groups, namely vertical and horizontal wind turbines. In investigating the efficiency of wind turbines, physical qualities such as Betz law, tip speed ratio, blade profile are used [2,3,4].

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