UNDERWATER SOUNDTRANSDUCER CALIBRATION FACILITY FOR THE 10- TO 4000-Hz FREQUENCY RANGE AT HYDROSTATIC PRESSURE TO 10,000 psig

Beatty, Louis G.; Prandoni, Joseph F.

doi:10.21236/ad0693091

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1984

2025

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Cited by 3 publications

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“…By modifying the experimental arrangement one may measure two separate elastic moduli. 3], and the Low-Frequency Facility's systems [4,51. A common feature of these instruments is the creation of an acoustic field with well-defined properties in a limited space, as contrasted with free-field measurements.…”

Section: Abstract (Continue On Reverse Side If Necessary End Identifymentioning

confidence: 99%

Computation of propagation speed and reflection of axially symmetric waves in composite cylinders with application to impedance tube and calibrator

Dubbelday¹,

Ruggiero²

1984

The Journal of the Acoustical Society of America

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Section: Abstract (Continue On Reverse Side If Necessary End Identifymentioning

confidence: 99%

Computation of propagation speed and reflection of axially symmetric waves in composite cylinders with application to impedance tube and calibrator

Dubbelday¹,

Ruggiero²

1984

The Journal of the Acoustical Society of America

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The calibration methods of hydrophones for underwater environmental sound measurements or biomedical ultrasound measurements: A review

Qin,

Lu,

et al. 2025

Measurement

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Development of a standing wave apparatus for calibrating acoustic vector sensors and hydrophones

Lenhart

Sagers

Wilson

2016

The Journal of the Acoustical Society of America

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An apparatus was developed to calibrate acoustic hydrophones and vector sensors between 25 and 2000 Hz. A standing wave field is established inside a vertically oriented, water-filled, elastic-walled waveguide by a piston velocity source at the bottom and a pressure-release boundary condition at the air/water interface. A computer-controlled linear positioning system allows a device under test to be precisely located in the water column while the acoustic response is measured. Some of the challenges of calibrating hydrophones and vector sensors in such an apparatus are discussed, including designing the waveguide to mitigate dispersion, understanding the impact of waveguide structural resonances on the acoustic field, and developing algorithms to post-process calibration measurement data performed in a standing wave field. Data from waveguide characterization experiments and calibration measurements are presented and calibration uncertainty is reported.

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UNDERWATER SOUNDTRANSDUCER CALIBRATION FACILITY FOR THE 10- TO 4000-Hz FREQUENCY RANGE AT HYDROSTATIC PRESSURE TO 10,000 psig

Abstract: This document has been approved for public relaIe and Wle; its distribution is iuffimitod.

Cited by 3 publications

References 5 publications

Computation of propagation speed and reflection of axially symmetric waves in composite cylinders with application to impedance tube and calibrator

Computation of propagation speed and reflection of axially symmetric waves in composite cylinders with application to impedance tube and calibrator

The calibration methods of hydrophones for underwater environmental sound measurements or biomedical ultrasound measurements: A review

Development of a standing wave apparatus for calibrating acoustic vector sensors and hydrophones

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