Acoustic tomography of temperature distribution in a medium heated by a focused ultrasound beam

A new method is proposed for measuring temperature in the focal region of a high-intensity ultrasonic emitter on the assumption of axially symmetric temperature field. This method is based on solving the integral equation relating the temperature of the medium to the delay times of the probe ultraso...

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Bibliographic Details
Published inBulletin of the Russian Academy of Sciences. Physics Vol. 73; no. 4; pp. 529 - 532
Main Authors Tsysar’, S. A., Sapozhnikov, O. A., Andreev, V. G.
Format Journal Article
LanguageEnglish
Published Heidelberg Allerton Press, Inc 01.04.2009
Springer Nature B.V
Subjects
Hadrons
Heavy Ions
Integral equations
Materials of XI All-Russian Seminar “The Wave Phenomena in Inhomogeneous Media”
Mathematical analysis
Nuclear Physics
Physics
Physics and Astronomy
Temperature distribution
Ultrasonic imaging
Ultrasonic testing
Ultrasound
Sound Speed
Probe Pulse
Acoustic Tomography
Focal Region
Heated Region
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Summary:A new method is proposed for measuring temperature in the focal region of a high-intensity ultrasonic emitter on the assumption of axially symmetric temperature field. This method is based on solving the integral equation relating the temperature of the medium to the delay times of the probe ultrasound pulse intersecting the heated region in the transverse direction at different distances from the beam axis. The accuracy of the algorithm for calculating temperature with allowance for the finite experimental data set is analyzed. The calculation results are compared with the experimental data.
ISSN:1062-8738
1934-9432
DOI:10.3103/S1062873809040212