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Fuzzy rules based model for solute dispersion in an open channel dead zone
Fuzzy rules based model solute dispersion open channel dead zone
2009/12/4
A method has been developed to estimate turbulent dispersion based on fuzzy rules that use local transverse velocity shears to predict turbulent velocity fluctuations. Turbulence measurements of flow ...
Development of a model for the characterization of fluid dispersion in electrochemical reactors
model for the characterization fluid dispersion electrochemical reactors
2009/12/4
This paper analyses the hydrodynamic behaviour of electrochemical reactors by simulating stimulus–response experiments. The experiments were performed with a simple experimental arrangement to generat...
Particle dispersion processes in two-dimensional turbulence:a comparison with 2-D kinematic simulation
Particle dispersion processes two-dimensional turbulence 2-D kinematic simulation
2009/11/2
We study numerically the comparison between Lagrangian experiments on turbulent particle dispersion in 2-D turbulent flows performed, on the one hand, on the basis of direct numerical simulations (DNS...
Longitudinal Dispersion in a Stream Calculated by One Dimensional Numerical Model
Longitudinal Dispersion Dimensional Numerical Model
2009/10/28
A one-dimensional numerical model was used to simulate water stage and
dispersion of matter in a stream. The calculated results show quite good
agreement with field measurements.
Studies concerning...
Dispersion of Pollutants in Semi-Infinite Porous Media with Unsteady Velocity Distribution
Dispersion of Pollutants Semi-Infinite Porous Media Unsteady Velocity Distribution
2009/10/28
Analytical solutions are developed for the dispersion problem in nonadsorbing
and adsorbing, semi-infinite porous media in which the flow is one
dimensional and the average flow velocity is unsteady...
Dispersion studies in three ice-covered lakes are presented. One of the lakes
has a large river through-flow. In the other two lakes, small seiche-induced
currents are generated through wind action ...
Solute dispersion along unsteady groundwater flow in a semi-infinite aquifer
Solute dispersion semi-infinite aquifer unsteady groundwater flow
2009/5/27
Analytical and numerical solutions are obtained for dispersion of pollutants along unsteady groundwater flow in a longitudinal direction through semi-infinite aquifers the permeability of which is ei...
Hydrodynamic dispersion characteristics of lateral inflow into a river tested by a laboratory model
Hydrodynamic dispersion Groundwater river-water lateral inflow
2009/4/27
Groundwater and river-water have a different composition and interact in and below the riverbed. The riverbed-aquifer flux interactions have received growing interest because of their role in the exch...
Continuous spatial observations of the water quality of Lake Biwa and the Yasu River were conducted during 1997 and 1999.
Longitudinal dispersion in natural channels: 3. An aggregated dead zone model applied to the River Severn, U.K.
Channels ispersion dead zones tracers
2009/3/24
An Aggregated Dead Zone (ADZ) model is presented for longitudinal dispersion of tracer in river channels, in which the channel cross-section is divided into two parallel regions: the bulk flow and dea...
Longitudinal dispersion in natural channels: 2. The roles of shear flow dispersion and dead zones in the River Severn, U.K.
Channels dispersion dead zones tracers River Severn
2009/3/24
The classical one-dimensional advection-diffusion equation (ADE) gives an inadequate description of tracer cloud evolution in the River Severn, U.K. A solute transport model incorporating the effects ...
Longitudinal dispersion in natural channels: l. Experimental results from the River Severn, U.K.
Channels dispersion tracers River Severn
2009/3/24
A tracer experiment using Rhodamine WT dye was carried out to measure longitudinal dispersion in a 14-km reach of the River Severn in Wales, U.K. The river’s discharge was measured at six points and t...