DESIGN AND ANALYSIS OF HYDROKINETIC TURBINE USING SAVONIUS BLADE

Abstract

Hydrokinetic energy is the energy of a water mass due to its flow. The greater the water velocity, the greater is the hydrokinetic energy it posesses. Hydrokinetic turbines are used to covert this kinetic energy to obtain electricity. Since the performance of these turbines played an important role in viability of hydrokinetic power generation projects hence different design parameters are studied to enhance its power generation capacity and performance. In this project torque and rotational speed of simple Savonius turbine are obtained at different speeds. The values of stream velocity are taken as 0.8m/s and 2.0 m/s for 2Dtransient analysis where variation of speed with time is studied. Diameter of the blade is taken as 0.266m and height of the blade is taken as 0.17m. For 3D-steady analysis stream velocities are taken as 0.3m/s, 0.65m/s and 0.9 m/s. The design of turbine blade is done on Solid Works, domain of the blade and meshing is done on ICEM CFD. CFD analysis is done with the help of ANSYS FLUENT. Using transient setup, a plot between time and rpm is plotted.