Multiphysics investigations for efficient contactless ultrasound acoustic energy transfer in fluid

Vamsi Chandra Meesala; Muhammad Hajj; Shima Shahab

doi:10.1117/12.2582984

22 March 2021 Multiphysics investigations for efficient contactless ultrasound acoustic energy transfer in fluid

Vamsi Chandra Meesala, Muhammad Hajj, Shima Shahab

Proceedings Volume 11588, Active and Passive Smart Structures and Integrated Systems XV; 115880X (2021) https://doi.org/10.1117/12.2582984
Event: SPIE Smart Structures + Nondestructive Evaluation, 2021, Online Only

Abstract

Ultrasound acoustic energy transfer (UAET) is a transformative contactless energy transfer (CET) technology that outperforms conventional electromagnetic based CET techniques to recharge and communicate with low-power implanted medical devices which eliminates the need for invasive surgery. The limited modeling and proof-of-concept experiments on AET were performed in the linear range with several assumptions by neglecting the nonlinear wave propagation and the electroelastic nonlinearities of transmitter and receiver that become significant at higher source strengths and influence energy transfer characteristics. We present a series of experiments and experimentally-validated multiphysics models that we considered to address the knowledge gaps in UAET.

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Citation Download Citation

Vamsi Chandra Meesala, Muhammad Hajj, and Shima Shahab "Multiphysics investigations for efficient contactless ultrasound acoustic energy transfer in fluid", Proc. SPIE 11588, Active and Passive Smart Structures and Integrated Systems XV, 115880X (22 March 2021); https://doi.org/10.1117/12.2582984

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KEYWORDS

Acoustics

Energy transfer

Ultrasonography

Receivers

Sensors

Systems modeling

Wave propagation

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