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Vibration based energy harvesting performance of magnetoelectro-elastic beams reinforced with carbon nanotubes

Mangalasseri, AS and Mahesh, V and Mukunda, S and Mahesh, V and Ponnusami, SA and Harursampath, D and Tounsi, A (2023) Vibration based energy harvesting performance of magnetoelectro-elastic beams reinforced with carbon nanotubes. In: Advances in Nano Research, 14 (1). pp. 27-43.

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Official URL: https://doi.org/10.12989/anr.2023.14.1.027


This article investigates the energy harvesting characteristics of a magneto-electro-elastic (MEE) cantilever beam reinforced with carbon nanotubes (CNT) under transverse vibration. To this end, the well-known lumped parameter model is used to represent the coupled multiphysics problem mathematically. The proposed system consists of the MEE-CNT layer on top and an inactive substrate layer at the bottom. The substrate is considered to be made of either an isotropic or composite material. Basic laws such as Gauss’s Law, Newton’s Law and Faraday’s Law are used to arrive at the governing equations. Surface electrodes across the beam are used to harvest the electric potential produced, together with a wound coil, for the generated magnetic potential. The influence of various distributions of the CNT and its volume fraction, substrate material, length-to-thickness ratio, and thickness ratio of substrate to MEE layer on the energy harvesting behaviour is thoroughly discussed. Further, the effect of external resistances and changes in substrate material on the response is analysed and reported. The article aims to explore smart material-based energy harvesting systems, focusing on their behaviour when reinforced with carbon nanotubes. The results of this study may lead to an improved understanding of the design and analysis of CNT-based smart structures

Item Type: Journal Article
Publication: Advances in Nano Research
Publisher: Techno-Press
Additional Information: The copyright for this article belongs to Techno-Press.
Keywords: Electric potential; Energy harvesting; Reinforced plastics; Volume fraction, Coupled response; Elastic beam; Energy Harvester; Lumped parameter modelling; Magneto-electro-elastic; Multiphysics problems; Performance; Substrate material; Transverse vibrations; Vibration-based energy harvesting, Carbon nanotubes
Department/Centre: Division of Mechanical Sciences > Aerospace Engineering(Formerly Aeronautical Engineering)
Date Deposited: 18 Apr 2023 10:28
Last Modified: 18 Apr 2023 10:28
URI: https://eprints.iisc.ac.in/id/eprint/81339

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