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PS10000K0102
Piezohannas
PS10000K0102
Piezoelectric Material Piezoelectric Sphere for Spherical Hydrophone
Regular Dimensions of Piezo Sphere in Stock:
Outer dimension :from 6mm up to 160mm
Wall Thickness: from 1mm up to 10mm
Omni-directional Hydrophone Application:
An omni-directional hydrophone can be developed using a spherical piezoelectric material as active material. The design and development of a spherical hydrophone using lead zirconate titanate-4 (PZT-4) hollow sphere, having receiving sensitivity (RS) − 205 ± 0.6 dB ref 1 V/µPa in the frequency band 0–10 kHz. Analytical modelling of the piezoelectric sphere is done to fix its dimensions for the desired output and numerical analysis is done in COMSOL Multiphysics to validate the result. Since the spherical hydrophone is manufactured by encapsulating the piezoelectric sphere with polymer to give water-tight insulation, numerical analysis of the piezoelectric sphere coated with a polymer is done to calculate the RS of the hydrophone. Fabrication of a spherical hydrophone is done by rubber encapsulation of the piezoelectric sphere using compression moulding technique and its RS is measured in water. RS values obtained from numerical analysis and experiment are having a good agreement in the frequency band 0–10 kHz.
Piezoelectric Material Piezoelectric Sphere for Spherical Hydrophone
Regular Dimensions of Piezo Sphere in Stock:
Outer dimension :from 6mm up to 160mm
Wall Thickness: from 1mm up to 10mm
Omni-directional Hydrophone Application:
An omni-directional hydrophone can be developed using a spherical piezoelectric material as active material. The design and development of a spherical hydrophone using lead zirconate titanate-4 (PZT-4) hollow sphere, having receiving sensitivity (RS) − 205 ± 0.6 dB ref 1 V/µPa in the frequency band 0–10 kHz. Analytical modelling of the piezoelectric sphere is done to fix its dimensions for the desired output and numerical analysis is done in COMSOL Multiphysics to validate the result. Since the spherical hydrophone is manufactured by encapsulating the piezoelectric sphere with polymer to give water-tight insulation, numerical analysis of the piezoelectric sphere coated with a polymer is done to calculate the RS of the hydrophone. Fabrication of a spherical hydrophone is done by rubber encapsulation of the piezoelectric sphere using compression moulding technique and its RS is measured in water. RS values obtained from numerical analysis and experiment are having a good agreement in the frequency band 0–10 kHz.
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