Ultrasound inverse scattering determination of speed of sound, density, and absorption

2002 ◽  
Author(s):  
Sung-Jae Kwon ◽  
Mok-Kun Jeong
Keyword(s):  
Inverse Scattering ◽  
Speed Of Sound ◽  
Sound Density

Research of the Wood’s Alloy Crystallization Process Using the Acoustic Method

2021 ◽  
Vol 410 ◽  
pp. 855-861
Author(s):  
Aleksandr Yu. Yaroslavkin ◽  
Eugene A. Tyurin ◽  
Darya A. Melnikova
Keyword(s):  
Speed Of Sound ◽  
Crystallization Process ◽  
Ultrasonic Method ◽  
Single Pulse ◽  
Acoustic Method ◽  
The State ◽  
Sound Signal ◽  
Frequency Range ◽  
Wood’S Alloy

The article examines the process of crystallization of Wood alloy using the ultrasonic method. The dependence of the determination of the speed of sound in three aggregate states of the alloy (liquid, solid, transition (liquid-solid)) was derived. The relation-ship with the amplitude values of the sound signal, a single pulse in determining the speed of sound, as well as in determining the state of the alloy is carried out. The data obtained allow us to analyze the state of the alloy and the measurement time and the specified frequency range directly in the process of crystallization.

Inverse Scattering from a Perfectly Conducting Prolate Spheroid in the Quasi-Static Domain

1973 ◽  
Vol 51 (2) ◽  
pp. 219-222
Author(s):  
D. A. Hill
Keyword(s):  
Magnetic Fields ◽  
Magnetic Dipole ◽  
Inverse Scattering ◽  
Oblate Spheroid ◽  
Prolate Spheroid ◽  
Dipole Source ◽  
Intermediate Step

The problem of inverse scattering from a perfectly conducting prolate spheroid in the quasistatic region of a magnetic dipole source is considered. From one observation of the radial and transverse scattered magnetic fields, the parameters which identify the spheroid (interfocal distance and eccentricity) are uniquely determined. The intermediate step requires the determination of the two magnetic polarizabilities. Similar results are also obtained for the oblate spheroid by a transformation.

Determination of the Speed of Sound in Sulfurhexafluoride in a Shock Tube

1957 ◽  
Vol 27 (5) ◽  
pp. 1223-1223 ◽  
Author(s):  
I. I. Glass ◽  
J. G. Hall
Keyword(s):  
Shock Tube ◽  
Speed Of Sound

Determination of a vapour phase Helmholtz equation for 1,1,1-trifluoroethane (HFC-143a) from speed of sound measurements

2002 ◽  
Vol 34 (10) ◽  
pp. 1601-1619 ◽  
Author(s):  
G. Scalabrin ◽  
P. Marchi ◽  
G. Benedetto ◽  
R.M. Gavioso ◽  
R. Spagnolo
Keyword(s):  
Helmholtz Equation ◽  
Speed Of Sound ◽  
Vapour Phase

Determination of Kirkwood–Buff integrals of multicomponent liquid mixtures from the speed of sound

2009 ◽  
Vol 47 (3) ◽  
pp. 287-295 ◽  
Author(s):  
Ranjan Dey ◽  
Richa Verma ◽  
Tanuja Nautiyal ◽  
N.K. Soni ◽  
J.D. Pandey
Keyword(s):  
Speed Of Sound ◽  
Liquid Mixtures ◽  
Multicomponent Liquid Mixtures

Experimental determination of the speed of sound in cavitating flows

2010 ◽  
Vol 49 (6) ◽  
pp. 1359-1373 ◽  
Author(s):  
Hiva Shamsborhan ◽  
Olivier Coutier-Delgosha ◽  
Guy Caignaert ◽  
Fadi Abdel Nour
Keyword(s):  
Experimental Determination ◽  
Speed Of Sound ◽  
Cavitating Flows
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