This dissertation was written as a part of the MSc in Energy Systems at the International
Hellenic University. The focus of the dissertation is the wind energy as a renewable source. To
illuminate the necessity of clean wind energy the study starts with a chapter where the global
energy outlook is described and discussed. Later the technical study begins with fundamental
concepts of fluid dynamics and continues with more specific issues concerning wind energy.
Wind energy harvesting is not new and has a background dating back to thousands of years. In
the era we are living, it may play an utmost role to secure our energy needs without harming
the environment with CO2 emissions.
In this dissertation, an aerodynamic investigation of horizontal axis wind turbines is presented.
Special attention is given to the wind speed of 7.25 m/s as available wind energy at this average
speed (more precisely, the sites where wind speed is between 7m/s and 7.5m/s) constitutes 60%
of all the economically viable wind energy potential in Turkey. The programs Qblade and
ANSYS CFX used for this dissertation thesis with the concept of Blade Element Momentum
Theory and numerical Navier-Stokes solution respectively.
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