Self-Calibrating Sensor for Measuring Density Through Stainless Steel Pipeline Wall

[+] Author and Article Information
Margaret S. Greenwood, Judith A. Bamberger

Pacific Northwest National Laboratory, P.O. Box 999, Richland, Washington 99352

J. Fluids Eng 126(2), 189-192 (May 03, 2004) (4 pages) doi:10.1115/1.1677462 History: Received November 01, 2002; Revised June 04, 2003; Online May 03, 2004
Copyright © 2004 by ASME
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Workman,  J., Veltkamp,  D. J., Doherty,  S., Anderson,  B. B., Creasy,  K. E., Koch,  M., Tatera,  J. F., Robinson,  A. L., Bond,  L., Burgess,  L. W., Bokerman,  G. N., Ulhman,  A. H., Darsey,  G. P., Mozayeni,  F., Bamberger,  J. A., and Greenwood,  M. S., 1999, “Process Analytical Chemistry,” Anal. Chem., 71(12), pp. 121R–180R.
Greenwood,  M. S., Skorpik,  J. R., Bamberger,  J. A., and Harris,  R. V., 1999, “On-line density sensor for process control of liquids and slurries,” Ultrasonics, 37, 159–171.
Greenwood,  M. S., and Bamberger,  J. A., 2002, “Ultrasonic sensor to measure the density of a liquid or slurry during pipeline transport,” Ultrasonics .
Povey, M. J. W., 1997, Ultrasonic techniques for fluids characterization, Academic Press (New York).


Grahic Jump Location
Schematic diagram of experimental apparatus
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Oscilloscope trace showing multiple echoes with 6.4-mm-thick steel plate
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A graph of the logarithm of the FFT amplitude versus the echo number for 10% sugar water in contact with 6.3-mm-thick SS plate
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A graph of the LN (FFT Amplitude) versus echo number for a range of pulse widths



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