PMID: 11316539Apr 24, 2001Paper

Measurement of the speed of sound in ethanol/water mixtures

Ultrasound in Medicine & Biology
K Martin, D Spinks

Abstract

Ethanol/water mixtures are used commonly as a propagation medium in test objects to calibrate the measurement facilities of ultrasound (US) imaging systems. The speed of sound c in the mixture should be known, preferably with an accuracy of +/-0.1% where clinical measurements to +/-1% are required. This article describes measurements of c in several ethanol/water mixtures over a range of temperatures using a simple pulse superposition technique, which gives an estimated measurement uncertainty of 0.1%. The measurements show that, at 20 degrees C, a mixture of 9.5 +/- 0.25% ethanol by volume in distilled water is required to give a speed of 1540 +/- 1.5 m s(-1). However, to achieve this accuracy, the temperature of the mixture must be maintained in the range 20 degrees +/- 0.75 degrees C.

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Citations

Feb 15, 2005·Ultrasound in Medicine & Biology·Laurence MercierLouis D Collins
Nov 23, 2006·IEEE Transactions on Medical Imaging·François RousseauChristian Barillot
Feb 18, 2016·IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control·Yufeng DengKathryn R Nightingale
Jun 21, 2006·Ultrasound in Medicine & Biology·Po-Wei HsuGraham M Treece
Dec 14, 2005·Ultrasound in Medicine & Biology·Zhen XuCharles A Cain
Apr 16, 2005·Ultrasound in Medicine & Biology·Laurence MercierD Louis Collins
May 4, 2005·Ultrasound in Medicine & Biology·Joanne CoweDavid H Evans
May 28, 2015·Radiation Oncology·Hendrik BallhausenMichael Reiner
Nov 10, 2015·IEEE Transactions on Bio-medical Engineering·Muyinatu A Lediju BellPeter Kazanzides
Jan 17, 2017·IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control·Yufeng DengKathryn R Nightingale
Aug 28, 2012·Journal of Ultrasound in Medicine : Official Journal of the American Institute of Ultrasound in Medicine·Jakob Nebeker, Thomas R Nelson
Nov 1, 2014·Ultrasound : Journal of the British Medical Ultrasound Society·J JoyG A Corner

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