Piezoelectric energy harvester for harnessing rotational kinetic energy through linear energy conversion

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dc.contributor.authorAbdulkhaliq, Habib Sadiq
dc.contributor.authorCrawley, Fergus
dc.contributor.authorLuk, Patrick
dc.contributor.authorLuo, Zhenhua
dc.date.accessioned2023-09-27T13:34:04Z
dc.date.available2023-09-27T13:34:04Z
dc.date.issued2023-09-09
dc.descriptionThis article belongs to the Special Issue Energy Harvesting State of the Art and Challenges IIen_UK
dc.description.abstractReal-time condition monitoring of various types of machinery using sensor technology has gained significant importance in recent years. However, relying on batteries to power these sensors proves to be sub-optimal, as it necessitates regular charging or replacement. To address this, harvesting waste energy from ambient sources emerges as a more efficient alternative. Everyday applications like vehicle wheels, fans, and turbines present ambient sources of waste rotational energy. In this study, we propose a novel rotational energy harvester design that converts rotational energy into linear energy. This linear energy impacts a piezoelectric disk, generating an electric potential. Through simulations, the expected electric potential at varying frequencies was evaluated. Subsequently, experimental tests were conducted by connecting the harvester to a rectifier for AC-to-DC signal conversion and an oscilloscope for voltage measurement. A DC motor replicated the rotational motion at the frequencies from the simulation, and the power output was measured. Using the power transfer theorem, simulation and experimental power outputs were calculated, resulting in values of 188, 513, and 1293 μW and 88.89, 336, and 923 μW, respectively. These results reveal that the designed harvester is competitive with those of existing rotational energy harvester designs, demonstrating the promising potential of this novel harvester.en_UK
dc.identifier.citationAbdulkhaliq HS, Crawley F, Luk P, Luo Z. (2023) Piezoelectric energy harvester for harnessing rotational kinetic energy through linear energy conversion, Energies, Volume 16, Issue 18, September 2023, Article Number 6504en_UK
dc.identifier.issn1996-1073
dc.identifier.urihttps://doi.org/10.3390/en16186504
dc.identifier.urihttps://dspace.lib.cranfield.ac.uk/handle/1826/20277
dc.language.isoenen_UK
dc.publisherMDPIen_UK
dc.rightsAttribution 4.0 International*
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/*
dc.subjectpiezoelectricen_UK
dc.subjectrotational energyen_UK
dc.subjectsensorsen_UK
dc.subjectenergy harvesteren_UK
dc.subjectPZTen_UK
dc.subjectlead zirconate titanateen_UK
dc.subjectpiezoen_UK
dc.subjectdisken_UK
dc.subjectCOMSOLen_UK
dc.titlePiezoelectric energy harvester for harnessing rotational kinetic energy through linear energy conversionen_UK
dc.typeArticleen_UK

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