Abstract

The publication presents the results of aerodynamic characteristics of selected profile blades for applications in wind turbines. Considering the potential of energy resources and investors’ preferences, the amount of energy produced in wind farms in the total amount of electricity generated will be systematically growing and probably, in the next few years, wind energy will be the first in the field of electricity production from all types of power plants. Harnessing the power of moving air masses is now a global phenomenon. Rotor wheel converts wind energy into mechanical energy when using blades with chosen shape and oriented in the terms of the optimum performance. The aim of the measurements was to determine the impact of blade shape and blade angle of attack on the efficiency of conversion of wind energy into mechanical energy on the rotor wheel. The obtained power coefficients were presented as results.

Highlights

  • One of the most important subjects appearing in a contemporary power engineering is examining modern technologies

  • Another example is the wind turbine, known as the Giromill or H rotor; it is a kind of a vertical axis wind turbine developed by Georges Darrieus

  • The purpose of the work is to develop a model of a wind turbine with a vertical axis of rotation equipped with a new shape of blades

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Summary

Introduction

One of the most important subjects appearing in a contemporary power engineering is examining modern technologies. Directed development of energy technologies enabling the use of renewable sources is very important. Persian and Chinese windmills with vertical axis of rotation of a rotor were characterized by a low use of energy of moving airstream; it is estimated up to about 16%. Another example is the wind turbine, known as the Giromill or H rotor; it is a kind of a vertical axis wind turbine developed by Georges Darrieus. The blades could rotate around their vertical axis This makes it possible to set the position of blades in relation to the wind

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