Title: Vertical mixing in the fully-developed turbulent layer of sediment-laden open-channel flow
Authors: Toorman, Erik Andreas # ×
Issue Date: Sep-2008
Publisher: American Society of Civil Engineers
Series Title: Journal of hydraulic engineering vol:134 issue:9 pages:1225-1235
Abstract: Eulerian equations for the vertical flux and momentum of suspended particles in dilute sediment-laden open-channel flow in equilibrium have been derived using the two-fluid approach. Reynolds averaging has been applied in order to allow validation of individual terms with experimental data. Consideration of the various terms of the vertical momentum balance with experimental flume data indicates that the drag force has to be separated into a mean and a turbulent contribution with different time scales, respectively the (gravitational) particle time scale and the integral turbulence time scale. The resulting formulation provides furthermore a new theoretical closure for the turbulent Schmidt number.
ISSN: 0733-9429
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Hydraulics Section
× corresponding author
# (joint) last author

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