The direct estimation of sound speed using pulse–echo ultrasound

1998 ◽  
Vol 104 (5) ◽  
pp. 3099-3106 ◽  
Author(s):  
Martin E. Anderson ◽  
Gregg E. Trahey
Keyword(s):  
Sound Speed ◽  
Direct Estimation ◽  
Pulse Echo

Pulse-echo sound speed estimation using second order speckle statistics

2012 ◽  
Author(s):  
Ivan M. Rosado-Mendez ◽  
Kibo Nam ◽  
Ernest L. Madsen ◽  
Timothy J. Hall ◽  
James A. Zagzebski
Keyword(s):  
Sound Speed ◽  
Second Order ◽  
Speed Estimation ◽  
Pulse Echo

Local Sound Speed Estimation for Pulse-Echo Ultrasound in Layered Media

2021 ◽  
pp. 1-1
Author(s):  
Rehman Ali ◽  
Arsenii V. Telichko ◽  
Huaijun Wang ◽  
Uday K. Sukumar ◽  
Jose G. Vilches-Moure ◽  
...  
Keyword(s):  
Sound Speed ◽  
Layered Media ◽  
Speed Estimation ◽  
Local Sound ◽  
Pulse Echo

scholarly journals Speeds of Sound in n-Hexane and n-Heptane at Temperatures from (233.33 to 353.21) K and Pressures up to 20 MPa

2020 ◽  
Vol 42 (2) ◽  
Author(s):  
Christian W. Scholz ◽  
Markus Richter
Keyword(s):  
Experimental Data ◽  
Speed Of Sound ◽  
Sound Speed ◽  
Path Length ◽  
Equations Of State ◽  
Fundamental Equation ◽  
Pulse Timing ◽  
Combined Uncertainty ◽  
Fundamental Equation Of State ◽  
Pulse Echo

AbstractThe speed of sound in high-purity n-hexane and n-heptane was experimentally studied utilizing the double-path length pulse-echo technique. Measurements with each alkane were carried out at temperatures from (233 to 353) K with pressures up to 20 MPa. Considering the uncertainty contributions from temperature, pressure, path-length calibration, pulse timing and sample purity, the relative expanded combined uncertainty (k = 2) in the speed of sound in n-hexane ranges from (0.012 to 0.042) % over the investigated ranges of pressure and temperature; for n-heptane, the uncertainty varies from (0.014 to 0.018) %. The sound speed data measured in n-hexane were among the data used for the development of a new fundamental equation of state, which is, however, not described in this work. The experimental data of n-heptane can be considered appropriate for modeling purposes and validation of existing equations of state.

Reconstruction of sound speed distributions from pulse-echo data

2016 ◽  
Vol 140 (4) ◽  
pp. 3373-3373
Author(s):  
Anthony Podkowa ◽  
Mert Hidayetoglu ◽  
Chunxia Yang ◽  
Michael Oelze ◽  
Weng C. Chew
Keyword(s):  
Sound Speed ◽  
Pulse Echo
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