Experimental Investigation of Wind Energy Harvesting Based on the Galloping Phenomenon

Document Type : Original Article

Authors

Faculty of Mechanical Engineering, Sahand University of Technology, Tabriz, Iran

Abstract

In recent years, due to the growing global demand for sustainable and environmentally compatible energy solutions, the focus on the development and utilization of renewable energy sources has increased. Among these, wind energy has attracted special attention due to its wide availability and considerable potential for generating electrical power. In this study, inspired by energy harvesting systems (based on structural vibrations caused by the galloping phenomenon), a laboratory-scale setup was designed and constructed. This system consisted of a cantilevered flexible beam on which two types of mechanical-to-electrical energy converters were mounted in combination: a piezoelectric transducer and a coil-and-magnet assembly for electromagnetic induction. The main objective of this research was to achieve maximum electrical power output from galloping-induced vibrations and to compare the performance of two energy conversion methods. Experimental results showed that the maximum power output of the designed setup, using the electromagnetic induction method in AC mode with a load resistance of 100 ohms, was 8100 microwatts. The results showed that the proposed structure could be very useful as a power generation unit with the aim of producing maximum power for simultaneous consumption and storage. Providing the possibility of adjusting the external load of the consumer unit and the storage unit independently for maximum energy harvesting was the main advantage of the proposed structure.

Keywords

Main Subjects


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