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Liquid-membrane coupling response of submersible electrostatic acoustic transducer (1989)

Cantrell, John H. ; Yost, William T.

[S.l.] : American Institute of Physics (AIP)

Review of Scientific Instruments 60 (1989), S. 487-488

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ISSN: 1089-7623

Source: AIP Digital Archive

Topics: Physics , Electrical Engineering, Measurement and Control Technology

Notes: A mathematical model of the liquid-membrane coupling response of the submersible electrostatic acoustic transducer (ESAT) [Rev. Sci. Instrum. 50, 31 (1979)] is presented. The model predicts that the ESAT responds to an incident ultrasonic wave of frequency ω and a constant displacement amplitude ξ0 with an output that is proportional to 2ξ0[1+(σω/Z)2]−1/2, where σ is the membrane areal density and Z is the acoustic impedance of the immersion fluid. Measurements taken over the frequency range from 1 to 11 MHz are in good agreement with the model.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1063/1.1140404

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