Title: The Ultrasonic Densitometer Time Domain Response
Authors: DZBIKOWICZ ZDZISLAWHOWELL JOHNJANSSENS-MAENHOUT GREETROWELL W
Publisher: Office for Official Publications of the European Communities
Publication Year: 2009
JRC Publication N°: JRC36916
ISBN: 978-92-79-19318-7
ISSN: 1018-5593
Other Identifiers: EUR 22740 EN
OPOCE LB-NA-22740-EN-C
URI: http://publications.jrc.ec.europa.eu/repository/handle/JRC36916
DOI: 10.2788/50704
Type: EUR - Scientific and Technical Research Reports
Abstract: Experiments were undertaken to investigate the feasibility of using propagating ultrasonic waves to find the speed of sound and density of solutions contained in opaque, sealed containers. A portable design is proposed which consists of 3 ultrasonic transducers aligned on a single plane along the surface of a tank. The content is then examined by measuring the time it takes for a signal to reflect off the back wall of the tank and return to another transducer. This time domain response approach delivered a very accurate analysis, with a low spread of results. This report demonstrates that by using this technique, very small changes in density can be observed. The final error in the density has been found to be less than 2%, which is adequate to reliably tell the difference between salt and fresh water.
JRC Institute:Institute for Transuranium Elements

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