Some Laboratory Experiments with a Sing‐Around Velocimeter

Autor:	Carroll E. Tschiegg, Martin Greenspan
Rok vydání:	1956
Předmět:	Optics Acoustics and Ultrasonics Arts and Humanities (miscellaneous) Field (physics) business.industry Speed of sound Calibration Environmental science Mechanics business Temperature coefficient
Zdroj:	The Journal of the Acoustical Society of America. 28:158-158
ISSN:	0001-4966
DOI:	10.1121/1.1918105
Popis:	The velocimeter described in the preceding paper has been used to locate the temperature at which the velocity of sound in water has a maximum. The temperature coefficient has been measured in the neighborhood of this turning temperature (73.81°C). It turns out that the velocity‐temperature curve is very flat near the maximum so that water at 73.81°C provides an excellent standard liquid for calibration and intercomparison purposes, especially in the field. The velocimeter has also been used to measure the effect of dissolved air on the sound velocity in water 0°C and at 31.8°C. Measurements were made in water about 10% saturated and 100% saturated with air. The difference was less than 1 part in 105 at either temperature.
Databáze:	OpenAIRE
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