Abstract
Inserting diffuser ducts around a wind turbine is a method to augment its power generation. The output power of a wind turbine can be significantly improved if we can harness the fluid dynamics surrounding a structure to increase the wind speed, specifically if we can catch and concentrate the wind energy locally. When compared to an open turbine with a rotor of an equivalent size, a shroud in a shrouded wind turbine serves to enhance the velocity of the air travelling through the rotor plane. This work aims on investigate the suitability of shrouded wind turbines for Kerala’s climatic conditions. For this, wind velocity data collected and analyzed. A basic model is created using ANSYS Workbench and CFD (Computer Fluid Dynamics) analysis carried out on the model created. Results shows that shrouded wind turbines provide an output flow velocity which is more than twice of input airflow velocity and turbulence intensity founded within limits thus helps to obtain high yields even for low wind speeds.
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