Simple Formulation of Bedload Sediment Transport Rate Based on Novel Definition of Pickup Probability
Publication: Journal of Hydraulic Engineering
Volume 146, Issue 9
Abstract
The pickup probability of bedload sediment can be defined as the channel width fraction that is only associated with entrained particles. With this definition, the dimensionless bedload transport rate can be formulated as the product of the pickup probability and the conditionally averaged Einstein number. The bedload formula so obtained appears to be the simplest in comparison with the previous bedload functions derived with different considerations. Its predictions agree well with the published experimental data for the condition of plane-bed of uniform sediment grains.
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Data Availability Statement
Some or all data, models, or code generated or used during the study are available from the corresponding author by request.
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Experimental data used in Figs. 2 and 3.
Acknowledgments
The authors would gratefully acknowledge the financial support from the National Natural Science Foundation of China (Grant No. 51979242).
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Published In
Journal of Hydraulic Engineering
Volume 146 • Issue 9 • September 2020
Copyright
©2020 American Society of Civil Engineers.
History
Received: Mar 19, 2019
Accepted: Apr 27, 2020
Published online: Jun 30, 2020
Published in print: Sep 1, 2020
Discussion open until: Nov 30, 2020
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