Review on Performance and Working of Wells Turbine for Wave Power Conversion

The one of the method of wave energy conversion utilizes an oscillating water column (OWC) like Wells turbine. The OWC changes wave energy into low-pressure pneumatic energy as bidirectional airflow. Wells turbine with its zero blade pitch setting has been utilized to change this pneumatic force into unidirectional mechanical shaft power. But a Wells turbine has somewhat disadvantages like lower effectiveness and poorer beginning attributes. To improve the starting and running characteristics of wells turbine, many experimental and numerical studies have been done based on different parameters like Providing Guide vanes, Changing the hub/tip ratio, Providing End plate to the blade Section, Giving guide vanes on either side of the rotor could be standout of the most effective ways of improving its performance. This paper includes parameters controlling the performance of the wells turbine.