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Frequency response of a self-actuating cantilever sensor immersed in fluid

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Abstract

This work aims at studying the resonant frequency response of self-actuating piezoelectric rectangular and stepped cantilever sensors and using these results to determine the density of a fluidic media. The electric impedance analyzer is used to determine the resonant frequencies of the two cantilevers under the vacuum, air and partially-immersed conditions. Micro-milling is used to fabricate the steel cantilevers and a thin PZT-5H piezoelectric patch is mounted on its top surface. The experimental results are compared with the analytical and numerical ones. The study results show the good conformity and a higher resonant frequency shift is observed in the stepped cantilevers in all cases.

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Acknowledgments

MZA gratefully acknowledges financial grant by DST-SERB under Early Career Research (ECR/2015/000531).

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Correspondence to Mohd. Zahid Ansari.

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Recommended by Editor Chongdu Cho

Shivanku Chauhan is a Ph.D. research scholar of the Department of Mechanical Engineering, PDPM-Indian Institute of Information Technology, Design and Manufacturing, Airport Road, Jabalpur, MP 482005 India. His research interests include micro-cantilever sensors and composite materials.

Mohd. Zahid Ansari is an Assistant Professor in the Discipline of Mechanical Engineering at IIITDM Jabalpur. He received his B.Tech. degree from the Aligarh Muslim University, India in 2001, and M.Tech. and Ph.D. degrees in 2006 and 2010 from the Department of Mechanical Engineering, Inha University, South Korea. His areas of interest include smart materials and structures, MEMS, microfluidics and heat transfer.

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Chauhan, S., Ansari, M.Z. Frequency response of a self-actuating cantilever sensor immersed in fluid. J Mech Sci Technol 35, 1457–1462 (2021). https://doi.org/10.1007/s12206-021-0311-z

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  • DOI: https://doi.org/10.1007/s12206-021-0311-z

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