In this case, velocity of sound propagation in the fluid in the pores is non-dispersive and compared with the value of the velocity of sound in the free fluid is reduced by a ratio equal to the square root of the tortuosity.
22.
In this case, velocity of sound propagation in the fluid in the pores is non-dispersive and compared with the value of the velocity of sound in the free fluid is reduced by a ratio equal to the square root of the tortuosity.
23.
The nature and strength of these forces is important for the scientific understanding of solids since they determine the way the solid responds to these stresses ( elastic constants ), the velocity of sound waves in it, its infra-red absorption, and many other properties.
24.
The velocity of sound in dry air is approximately 343 m / s at a temperature of 25 �C . Therefore, the reflecting object must be more than from the sound source for echo to be perceived by a person located at the source.
25.
L Bradbury published his extensive tests to determine this effect in an AES Journal in 1976 and his results agreed that heavily damped lines could reduce the velocity of sound by as much as 50 %, although 35 % is typical in medium damped lines.
26.
Bradbury published his extensive tests to determine this effect in a paper in the Journal of the Audio Engineering Society ( JAES ) in 1976 and his results agreed that heavily damped lines could reduce the velocity of sound by as much as 50 %, although 35 % is typical in medium damped lines.
27.
On 20 May 1660, Lorenzo Magalotti had replaced Segni, and a few years later he wrote the only publication of the academy, the Saggi di naturali Esperienze ( " Essays on Natural Experiments " ) . barometry, pneumatics, the velocity of sound and light, phosphorescence, magnetism, amber and other electrical bodies, the freezing of water, etc.
28.
Where " ? w " and " ? " are the velocities of sound in pure and bubble-filled water, respectively, " f w " and " f " are the frequencies of sound in pure and bubble-filled water, respectively, V a is defined as the fractional volume occupied by gas bubbles, and " ? " is a constant.
29.
You can work out the resonant frequencies of your box since wavelength equals the velocity of sound divided by the frequency, and standing wave lengths will be the whole or fractions of the distance between parallel surfaces . . . but I don't think that knowledge will help in determining how much insulator to stuff into the thing.
30.
He then returned to his work as Government Astronomer, in the course of which he published two volumes of observations : one of them contains his observations on the length of the pendulum, the velocity of sound, of meteorological phenomena, as well as determinations of the longitude of Madras, and a discussion of the longitudes of the three Presidencies.
