Research Article
Jun 1982
Sediment Transport and Unit Stream Power Function
Publication: Journal of the Hydraulics Division
Volume 108, Issue 6
Abstract
Basic fluid mechanics and turbulence theories are applied to show that suspended sediment concentration at a given depth of an open channel flow is a function of the turbulence energy production rate at that depth. Depth-averaged suspended sediment concentration can be obtained by integrating a function of the turbulence energy production rate over the depth of flow which in turn is a function of unit stream power. Total sediment concentration can also be expressed as a function of unit stream power following the foresaid and a procedure similar to that proposed by Einstein. Comparisons of seven total load equations indicate that equations derived from the concept that the rate of sediment transport should be related to the rate of energy dissipation of the flow are more accurate than other equations for both laboratory flumes and natural rivers.
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Published In
Journal of the Hydraulics Division
Volume 108 • Issue 6 • June 1982
Pages: 774 - 793
Copyright
© 1982 American Society of Civil Engineers.
History
Published in print: Jun 1982
Published online: Feb 3, 2021
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Chih Ted. Yang, M.ASCE
Civ. Engr., U.S. Dept. of the Interior, Bureau of Reclamation, Engrg. and Research Center, Denver Federal Center, Denver, Colo.
Albert Molinas, AM.ASCE
Research Assoc., Dept. of Civ. Engrg., Colorado State Univ., Ft. Collins, Colo.
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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.
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.
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.