Solids-concentration measurement and flow measurement of slurries and sludges using ultrasonic sensors with random data analysis
- 1 October 1980
- journal article
- Published by SAGE Publications in Transactions of the Institute of Measurement and Control
- Vol. 2 (4) , 199-206
- https://doi.org/10.1177/014233128000200403
Abstract
The flow velocity is measured by cross- correlating the output signals from two axially spaced ultrasonic sensors, similar to the sensors described in Part 1 of this paper. A meter factor of 0.84 ± 0.02 was observed to calibrate the measured cross- correlation velocity against actual mean flow velocity, for flow of Reynold's number from 3× 10 3 up to 75 × 103. The meter performance was not affected by change in particle size and concentration; small quantities of gas bubbles (up to 5% by volume) do not affect the calibration curve.Keywords
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