Vertical Velocity Profiles in Stratified Flowsby Steve C. McCutcheon, (A.M.ASCE), Hydrologist; U.S. Geological Survey, Gulf Coast Hydroscience Center, NSTL Station, Miss., 39529,
Serial Information: Journal of the Hydraulics Division, 1981, Vol. 107, Issue 8, Pg. 973-988
Document Type: Journal Paper
Abstract: The Monin-Obukhov analysis is applied to stably stratified, two-dimensional, hydraulically rough, turbulent, fully developed, open-channel flows. The buoyancy flux is expressed as a function of the velocity and density gradients for cases in which the buoyancy flux may vary over the depth. Resulting vertical velocity profile expressions were verified with experimental data collected in a wide laboratory flume with salt-stratified flows. Sidewall effects on stratified flows are significant in narrow flumes and are magnified in highly stratified flows, as noted in a review of previous works.
Subject Headings: Stratified flow | Two-dimensional analysis | Two-dimensional flow | Buoyancy | Velocity profile | Flumes | Flow profiles | Water stratification |
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