Abstract
Near-ground wind is not stable and turbulent due to the ground effect and heat ventilation. Small wind generation system design for public utilities needs to catch the small wind to rotate the turb...
Highlights
Wind power is an infinite energy source on Earth
vertical axis wind turbine (VAWT) in conventional setup Before completed complex airfoil VAWT was assembled by the idea of design, computer modeling was made for analysis
The performance of each angle of attack (AoA) setting of the horizontal blades is compared through the charts along with the cut-in speed of VAWT
Summary
Wind power is an infinite energy source on Earth. Temperature difference due to solar irradiation and ground ventilation creates airflow to cause turbulent flow near the ground. There is a potential of 2 ×1013W on Earth (Liu, 2015) to get total utilizable wind energy and is roughly 3 times of total energy consumption around the whole world. If 1% of wind energy can be transformed into electricity, it is a 3% total demand of the world’s energy consumption. Wind energy can change the world to free from dependence on fossil fuel. This spontaneous sustainable energy should be adopted to reduce CO2 emission for environment protection
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