Development of an Underwater Acoustic Sensor based on Polyvinylidene Fluoride Film

Ning Wang

doi:10.26182/fr0e-1w24

Development of an Underwater Acoustic Sensor based on Polyvinylidene Fluoride Film

Ning Wang

School of Engineering

Research output: Thesis › Doctoral Thesis

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Abstract

Underwater acoustic measurement has received great attention in the twenty-first century, and the use of polyvinylidene fluoride (PVDF) film for hydrophone application has been widely explored. However, its sensing mechanism remains unclear. In this thesis, analytical and numerical models are developed to understand the responses of PVDF films to plane sound waves. The coupling between underwater sound field, PVDF film and coatings are investigated in detail. With this new understanding, a significant advance in enhanced design ability of PVDF film-based hydrophones is made. Two types of sound intensity probes are designed. They show great potential for practical applications.

Original language	English
Qualification	Doctor of Philosophy
Awarding Institution	The University of Western Australia
Supervisors/Advisors	Pan, Jie, Supervisor Matthews, David, Supervisor Keating, Adrian, Supervisor Guzzomi, Andrew, Supervisor
Award date	13 Jun 2022
DOIs	https://doi.org/10.26182/fr0e-1w24
Publication status	Unpublished - 2022

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10.26182/fr0e-1w24

THESIS - DOCTOR OF PHILOSOPHY - WANG, Ning - 2022
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AB - Underwater acoustic measurement has received great attention in the twenty-first century, and the use of polyvinylidene fluoride (PVDF) film for hydrophone application has been widely explored. However, its sensing mechanism remains unclear. In this thesis, analytical and numerical models are developed to understand the responses of PVDF films to plane sound waves. The coupling between underwater sound field, PVDF film and coatings are investigated in detail. With this new understanding, a significant advance in enhanced design ability of PVDF film-based hydrophones is made. Two types of sound intensity probes are designed. They show great potential for practical applications.

KW - hydrophone

KW - PVDF

KW - intensity sensor

KW - velocity sensor

U2 - 10.26182/fr0e-1w24

DO - 10.26182/fr0e-1w24

M3 - Doctoral Thesis

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Development of an Underwater Acoustic Sensor based on Polyvinylidene Fluoride Film

Abstract

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