Results 241 to 250 of about 57,753 (299)

Assessing the accuracy of the coupled-spherical-bubble approach for bubble pairs in an acoustic field. [PDF]

Ultrason Sonochem
Nagy D, Hegedűs F.
europepmc   +1 more source

Fractional-Order Ultrasonic Sensing for Monitoring Microstructural Evolution in Cementitious Materials. [PDF]

Sensors (Basel)
Zheng H, Lu C, Zhou X, Jia X, Lv X, Shi Z, Zhang G.   +6 more
europepmc   +1 more source

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Ultrasonic Pulse Velocity Tests on Compacted Soil

Characterization, Modeling, and Performance of Geomaterials, 2009
In this paper, results of a series of ultrasonic pulse velocity tests on compacted soil were presented and discussed. Ultrasonic pulse velocity tests provide compression and shear wave velocity information that can be used in calculating dynamic elastic moduli such as Young’s modulus and shear modulus.
David M. Weidinger, Louis Ge, Richard W. Stephenson   +2 more
openaire   +1 more source

Ultrasonic pulse velocity as a rock stress sensor

Tectonophysics, 1974
A method of measuring with nanosecond precision the times of flight of ultrasonic pulses over distances of a few metres in rock in situ has been developed by using a multiple sampling technique, with pulses repeated at intervals of 20 msec and on-line averaging of many individual readings. In an ideal situation the measurements are sensitive to changes
Gladwin M.T., Stagey F.D.
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Dispersion of Ultrasonic Pulse Velocity in Cylindrical Rods

The Journal of the Acoustical Society of America, 1955
The velocities of pulsed longitudinal and shear waves in cylindrical rods of aluminum alloy, brass, copper, and steel were measured by using both the pulse echo and pulse transmission methods. It is found that for pulsed longitudinal waves the measured velocity not only depends upon the elastic constants of the medium but also on the ratio between the ...
L. Y. Tu, J. N. Brennan, J. A. Sauer
openaire   +1 more source