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Mixing in River Underflow
Publisher: American Society of Civil Engineers
Abstract: Data is presented detailing the water motion in the Wellington Reservoir induced by the outflow from the valve at the base of the dam wall. This outflow system establishes a simple horizontal shear flow longitudinally along ...
Reservoir Destratification via Mechanical Mixers
Publisher: American Society of Civil Engineers
Abstract: Destratification techniques are often used to improve water quality in reservoirs. The majority of investigations have concentrated on the use of bubble aerators; however, an interesting alternative is the use of mechanical ...
Flushing Criteria in Estuarine and Laboratory Experiments
Publisher: American Society of Civil Engineers
Abstract: Laboratory experiments have shown the range of densimetric Froude numbers for which a depression that is filled with saline water and located at the bottom of a watercourse will be flushed by the overflow of fresh water. ...
Intertidal Motions within Deep Basin of Swan River Estuary
Publisher: American Society of Civil Engineers
Abstract: The Swan River is typical of the estuaries in southwest Australia. A shallow (5 m) sill near the entrance controls fluid exchange between the estuary and the ocean. The main estuarine basin is relatively deep and wide and ...
Downscaling Model Resolution to Illuminate the Internal Wave Field in a Small Stratified Lake
Publisher: American Society of Civil Engineers
Abstract: This paper presents the application of hydrostatic and nonhydrostatic three-dimensional hydrodynamic models to a stratified lake. Focus was given to the multiscale response of the internal wave field to strong wind gusts exceeding
Relative Buoyancy Dominates Thermal-Like Flow Interaction along an Incline
Publisher: American Society of Civil Engineers
Abstract: This paper describes laboratory investigations of the motion between two fixed volumes of dense fluid (surge-type gravity currents) with different salt concentrations that interact above an incline in the presence of ambient ...
Lagrangian Modeling of the Dynamics of River and Floodplain Flow
Publisher: American Society of Civil Engineers
Abstract: A new Lagrangian, dynamic river model is described. The model solves the coupled one-dimensional hydrostatic flow equations separately in a main river channel and in adjacent floodplains using a two-stage predictor-corrector ...
Time-Varying Underflow into a Continuous Stratification with Bottom Slope
Publisher: American Society of Civil Engineers
Abstract: Results are presented from a laboratory investigation of a continuous discharge gravity current moving down an inclined plane into a linearly stratified fluid; the density of the inflow decreasing linearly with time, ...
Lagrangian Modeling of Weakly Nonlinear Nonhydrostatic Shallow Water Waves in Open Channels
Publisher: American Society of Civil Engineers
Abstract: A Lagrangian, nonhydrostatic, Boussinesq model for weakly nonlinear and weakly dispersive flow is presented. The model is an extension of the hydrostatic model—dynamic river model. The model uses a second-order, staggered ...
Energetic Bubble Plumes in Arbitrary Stratification
Publisher: American Society of Civil Engineers
Abstract: Field and laboratory experiments were performed to investigate the mixing induced by energetic point‐source bubble plumes in water columns of arbitrary stable stratification. Published data from various sources were also ...
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