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Recent Results of Absolute Sound Velocity Measurements in Pure Water and Sea Water at Atmospheric Pressure

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High precision absolute sound velocity measurements in pure water and natural sea water of 35‰ salinity at different temperatures between 3.3 °C and 34 °C and at atmospheric pressure have been made, using an ultrasound oscillator method with continuous waves having a frequency of about 4 MHz. A relatively long sound path of up to about 84 cm was used in order to obtain propagation conditions which differ more from those of other comparable methods of high precision sound velocity measurements.

The accuracies of the pure water and the sea water data is 4 cm/s and 6 cm/s respectively. Systematic temperature dependent small deviations from Del Grosso's pure water results, of the order of some cm/s, have been observed.
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Document Type: Research Article

Publication date: 1976-06-01

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  • Acta Acustica united with Acustica, published together with the European Acoustics Association (EAA), is an international, peer-reviewed journal on acoustics. It publishes original articles on all subjects in the field of acoustics, such as general linear acoustics, nonlinear acoustics, macrosonics, flow acoustics, atmospheric sound, underwater sound, ultrasonics, physical acoustics, structural acoustics, noise control, active control, environmental noise, building acoustics, room acoustics, acoustic materials, acoustic signal processing, computational and numerical acoustics, hearing, audiology and psychoacoustics, speech, musical acoustics, electroacoustics, auditory quality of systems. It reports on original scientific research in acoustics and on engineering applications. The journal considers scientific papers, technical and applied papers, book reviews, short communications, doctoral thesis abstracts, etc. In irregular intervals also special issues and review articles are published.
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