review · Results in Engineering
Piezoelectric wind energy harvesters convert wind-driven mechanical vibrations into electrical energy to deliver sustainable power. These systems operate through aerodynamic phenomena such as galloping, vortex-induced vibration, and flutter. In galloping configurations, harvesters typically rely on a cantilever beam connected to a tip body. Flutter-based systems turn wind energy into mechanical vibrations and subsequently into electricity, presenting an alternative to conventional rotating wind turbines. Ongoing evaluations focus on structural performance, mathematical modelling techniques, and materials to improve energy capture. The electrical output from these devices can drive low-power electronics, creating avenues for self-powered and autonomous equipment. Future advancement depends on resolving existing operational challenges, refining structural designs, and improving predictive modelling methods.
Conventional wind turbines rely on large rotating mechanisms that are difficult to deploy at very small scales. Piezoelectric wind harvesters capture energy directly from wind-induced vibrations, offering a compact and sustainable power alternative. This approach can run small electronic devices and autonomous systems in off-grid or remote settings without requiring constant battery maintenance.
This technology remains in early-stage research and conceptual modelling. The identified applications centre on powering low-power electronics and autonomous, self-powered monitoring devices. Potential end users include developers of standalone sensors and off-grid electronic systems seeking alternatives to conventional batteries or small wind turbines. Commercial readiness is currently limited by technical challenges in harvester design and device performance.
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This paper highlights the advancement in wind energy harvesting using piezoelectric materials to produce sustainable power generation. It is a highly encouraging, fascinating, and challenging method to capture energy from piezoelectric materials. The purpose of this research is to evaluate the principal characteristic groups that affect energy harvesting performance and to provide recommendations for further improvement. Piezoelectric energy harvesters (PEH) can provide electricity for low-power electronic devices, which additionally possess the potential to boost self-powered, autonomous devices. The objective of this article is to provide recommendations for wind energy harvester modeling techniques. After establishing the fundamental idea of Piezoelectric Wind Energy Harvesters (PWEHs), it is next examined how well these devices function structurally and where their research stands in relation to various phenomena, including vortex-induced vibration, flutter, and galloping. A cantilever beam connected with a tip body is the typical component of a galloping piezoelectric harvester for wind energy collection. Wind energy has been turned into mechanical vibrations and ultimately into electrical power via the flutter phenomena. Fluttering-based wind energy harvesters are a new technology that provides an effective replacement for conventional wind turbines. The future development trend for PWEHs has been anticipated. The most current developments in strategies and approaches for wind energy harvesting using piezoelectric materials are also discussed in this paper. First, this paper highlights various piezoelectric energy harvesting materials, then it shows various wind energy harvesters’ design. After that this paper displays various types of wind energy harvesters and their applications. Finally, it highlights some challenges, future development, and recommendations.
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DOI: 10.1016/j.rineng.2024.101777
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