Research Article
May 1979
Model for Suspended Sediment Transport
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VIEW THE REPLYAuthors: Peter M. J. Kerssens, Leo C. van Rijn, and Ad PrinsAuthor Affiliations
Publication: Journal of the Hydraulics Division
Volume 105, Issue 5
Abstract
A mathematical model for suspended sediment transport is described, which enables the investigation of certain effects of river works or geometrical changes, or both, in a river or estuary by morphological computations. The model is based on the two-dimensional diffusion-convection equation. This equation describes the distribution of the sediment concentrations in a two-dimensional flow field by diffusion and convection. For the local velocities in the vertical the logarithmic distribution is used, while for the sediment diffusion coefficient a new expression is applied. The diffusion-convection equation is solved by an implicit numerical method using a coordinate transformation, while the influence of the diffusion coefficient on the adaptation of the transport in the case of an overcapacity of sediment is presented. A dimensionless graph of the adaptation length of a uniform concentration vertical is given, the application of the model for tidal flow is described and for such conditions a prototype verification and a sensitivity analysis is given. The model is limited to situations with relatively small changes in lateral direction and nongraded bed.
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Published In
Journal of the Hydraulics Division
Volume 105 • Issue 5 • May 1979
Pages: 461 - 476
Copyright
© 1979 American Society of Civil Engineers.
History
Published in print: May 1979
Published online: Feb 3, 2021
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Authors
Affiliations
Peter M. J. Kerssens
Project Engr., Delft Hydr. Lab, Delft, Netherlands
Leo C. van Rijn
Project Engr., Delft Hydr. Lab., Delft, Netherlands
Ad Prins
Sr. Scientific Officer, Delft. Univ. of Tech., Delft, Netherlands
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ASCE Library Cards let you download journal articles, proceedings papers, and available book chapters across the entire ASCE Library platform. ASCE Library Cards remain active for 24 months or until all downloads are used. Note: This content will be debited as one download at time of checkout.
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Terms of Use: ASCE Library Cards are for individual, personal use only. Reselling, republishing, or forwarding the materials to libraries or reading rooms is prohibited.