Laboratory measurement of suspended sediment concentration using an Acoustic Concentration Profiler (ACP)

D. M. Admiraal; M. H. Garcia

doi:10.1007/s003480050016

Laboratory measurement of suspended sediment concentration using an Acoustic Concentration Profiler (ACP)

D. M. Admiraal, M. H. Garcia

Research output: Contribution to journal › Article › peer-review

18 Scopus citations

Abstract

Vertical profiles of suspended sediment concentration have been gathered in a laboratory flume using a 2.25 MHz acoustic transducer. The acoustic concentration profiler (ACP) was calibrated in a vertical duct for homogeneous concentrations of two uniformly sized sediments. The transducer was then transferred to a 6 m horizontal flume where concentration profiles were measured in steady and unsteady flows. For the steady flow tests, concentration measurements made with the ACP and with suction samplers are compared. The results demonstrate that the ACP provides an accurate method of non-intrusively measuring sediment concentrations of more than 2.5% by volume.

Original language	English (US)
Pages (from-to)	116-127
Number of pages	12
Journal	Experiments in Fluids
Volume	28
Issue number	2
DOIs	https://doi.org/10.1007/s003480050016
State	Published - Feb 2000
Externally published	Yes

ASJC Scopus subject areas

Computational Mechanics
Mechanics of Materials
General Physics and Astronomy
Fluid Flow and Transfer Processes

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10.1007/s003480050016

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abstract = "Vertical profiles of suspended sediment concentration have been gathered in a laboratory flume using a 2.25 MHz acoustic transducer. The acoustic concentration profiler (ACP) was calibrated in a vertical duct for homogeneous concentrations of two uniformly sized sediments. The transducer was then transferred to a 6 m horizontal flume where concentration profiles were measured in steady and unsteady flows. For the steady flow tests, concentration measurements made with the ACP and with suction samplers are compared. The results demonstrate that the ACP provides an accurate method of non-intrusively measuring sediment concentrations of more than 2.5% by volume.",

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AB - Vertical profiles of suspended sediment concentration have been gathered in a laboratory flume using a 2.25 MHz acoustic transducer. The acoustic concentration profiler (ACP) was calibrated in a vertical duct for homogeneous concentrations of two uniformly sized sediments. The transducer was then transferred to a 6 m horizontal flume where concentration profiles were measured in steady and unsteady flows. For the steady flow tests, concentration measurements made with the ACP and with suction samplers are compared. The results demonstrate that the ACP provides an accurate method of non-intrusively measuring sediment concentrations of more than 2.5% by volume.

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Laboratory measurement of suspended sediment concentration using an Acoustic Concentration Profiler (ACP)

Abstract

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