A pipe organ-inspired ultrasonic transducer

Alan J Walker; Anthony J Mulholland

doi:10.1093/imamat/hxx027

A pipe organ-inspired ultrasonic transducer

Alan J Walker, Anthony J Mulholland

Mathematics And Statistics

Research output: Contribution to journal › Article › peer-review

3 Citations (Scopus)

42 Downloads (Pure)

Abstract

This article considers a number of backplate designs for the bandwidth improvement of electrostatic ultrasonic transducers in both transmission and reception modes. Motivated by the design of pipe organs, transducers with backplates which incorporate a number of acoustically resonating conduits are modelled using a transmission line mathematical model which describes the displacement of the electrostatic membrane. The model illustrates that by increasing the number and varying the length of these conduits, the transmission voltage response and the reception force response can be improved over the traditional design by around 50 and 35%, respectively.

Original language	English
Pages (from-to)	1135-1150
Number of pages	16
Journal	IMA Journal of Applied Mathematics
Volume	82
Issue number	6
Early online date	5 Sept 2017
DOIs	https://doi.org/10.1093/imamat/hxx027
Publication status	Published - 1 Dec 2018

Keywords

ultrasound
transducer
pipe organ
electrostatic

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10.1093/imamat/hxx027

Walker-Mulholland-JAM2018-A-pipe-organ-inspired-ultrasonic-transducerAccepted author manuscript, 777 KB

Cite this

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title = "A pipe organ-inspired ultrasonic transducer",

abstract = "This article considers a number of backplate designs for the bandwidth improvement of electrostatic ultrasonic transducers in both transmission and reception modes. Motivated by the design of pipe organs, transducers with backplates which incorporate a number of acoustically resonating conduits are modelled using a transmission line mathematical model which describes the displacement of the electrostatic membrane. The model illustrates that by increasing the number and varying the length of these conduits, the transmission voltage response and the reception force response can be improved over the traditional design by around 50 and 35%, respectively.",

keywords = "ultrasound, transducer, pipe organ, electrostatic",

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N2 - This article considers a number of backplate designs for the bandwidth improvement of electrostatic ultrasonic transducers in both transmission and reception modes. Motivated by the design of pipe organs, transducers with backplates which incorporate a number of acoustically resonating conduits are modelled using a transmission line mathematical model which describes the displacement of the electrostatic membrane. The model illustrates that by increasing the number and varying the length of these conduits, the transmission voltage response and the reception force response can be improved over the traditional design by around 50 and 35%, respectively.

AB - This article considers a number of backplate designs for the bandwidth improvement of electrostatic ultrasonic transducers in both transmission and reception modes. Motivated by the design of pipe organs, transducers with backplates which incorporate a number of acoustically resonating conduits are modelled using a transmission line mathematical model which describes the displacement of the electrostatic membrane. The model illustrates that by increasing the number and varying the length of these conduits, the transmission voltage response and the reception force response can be improved over the traditional design by around 50 and 35%, respectively.

KW - ultrasound

KW - transducer

KW - pipe organ

KW - electrostatic

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JF - IMA Journal of Applied Mathematics

IS - 6

ER -

A pipe organ-inspired ultrasonic transducer

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