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Concentric Contra-Rotating Dual Shaft Vertical Axis Wind Turbine, Emily Walz, Marcellin Zahui, Andrew Shires, Carl Gilkeson
Concentric Contra-Rotating Dual Shaft Vertical Axis Wind Turbine, Emily Walz, Marcellin Zahui, Andrew Shires, Carl Gilkeson
Essential Studies UNDergraduate Showcase
A typical vertical axis wind turbine (VAWT) consists of two or more airfoils all attached to a single central axis. The wind turbine style most commonly found in renewable energy is the horizontal axis wind turbine (HAWT) that have a high energy production efficiency in exchange for requiring large amounts of land and air space. Alternatively, a VAWT can function in low speeds and in smaller less typical locations. As a result, novel VAWT designs are researched to improve their energy efficiency. An example of a novel VAWT is the concentric counter-rotating VAWT investigated theoretically using the 2D computational fluid …