Design Analysis of Vertical Axis Wind Turbine Blade Using Biomimicry

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Vemuluri Prathik, Udith Kumar Narayanan and Pankaj Kumar

SRM institute of Science and Technology, Kattankulathur, Tamil Nadu, India




Abstract: Performance and efficiency of a Vertical Axis Wind Turbine improved by using a modified turbine blade, derived from biological features, by harness more wind energy. The detailed simulations were carried in Q-blade’s X-foil, Java foil and Sim Scale software at low wind speed with bio-mimicable cambered foil add-ons to different biostructure blades such as Maple seed leaf, Eagle wing. Among these simulations, the Corrugated Dragonfly vein FX 63-137 foil shows improved performance over cambered foils and FX 63-37 itself. The Maple-Wing combined blade structure showed an improved lift-drag ratio with a high coefficient of power.

Keywords: Vertical Axis Wind Turbine (VAWT), Tip Speed Ratio (TSR), Vorticity, Lift coefficient (CL), Drag coefficient (CD) Power coefficient (CP).