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Attrition of material during cutter suction dredging and pipeline transport: a summary
Attrition material during cutter suction dredging pipeline transport a summary
2013/9/13
In the dredging industry, it is advantageous to have advanced knowledge of the expected particle size distribution (PSD) of material that has been subject to dredging processes. During dredging, the r...
Fate and transport of E. coli in Rural Texas Landscapes and Streams
Fate transpor E. coli Rural Texas Landscapes Streams
2013/9/10
In September 2006, a seven person Bacteria Total Maximum Daily Load (TMDL) Task Force was charged by the Texas Commission on Environmental Quality and Texas State Soil and Water Conservation Board to ...
One Dimensional Solute Transport Originating from a Exponentially Decay Type Point Source Along Unsteady Flow Through Heterogeneous Medium
Uniform point source Heterogeneity Dispersivity Porous Media
2013/3/20
One dimensional advection dispersion equation is analytically solved initially in solute free domain by considering uniform exponential decay input condition at origin. Heterogeneous medium of semi in...
Reactive Stream Stabilization for Minimizing Transport of Phosphorus and Nitrogen from Agricultural Landscapes
Phosphorus Non-Point Source Pollutant Best Management Practice Aluminum
2013/3/20
A reactive stream stabilization (RS2) system based on aluminum as the adsorbent and garden mulch as the organic matter source was designed to minimize release of agricultural nonpoint source pollutant...
Transport of Suspended Solids in Dammam (Saudi Arabia) Coastal Areas: Fish Market Works
Numerical Modeling TSS Arabian Gulf Sediment Transport
2013/3/20
Some new projects are considered in the eastern coasts of Dammam city, Saudi Arabia Dredging operations would significantly alter coast hydrological and sediment transport processes. It is important t...
Adsorptive Mass Transport of Dye on Rice Husk Ash
Congo Red Diffusivity Dye Adsorption Film Mass Transfer Methylene Blue Rice Husk Ash
2013/3/20
Experimentations have been carried out to characterize the adsorption of Methylene Blue (MB) and Congo Red (CR) dyes in the aqueous phase onto Rice Husk Ash (RHA). Theoretically analyses are also made...
Numerical Simulation of Pesticide Transport and Fate for Water Management in the Fucino Plain, Italy
Mathematical Models Pesticides Unsaturated Zone Groundwater Pollution Italy
2013/3/20
A three-phase pesticide transport model is used to verify by numerical simulation, the influence of different parameters on infiltration through soil and/or surface runoff processes. Simulations are p...
2D DEPTH-AVERAGED SEDIMENT TRANSPORT MODEL TAKEN INTO ACCOUNT OF BEND FLOWS
2D DEPTH-AVERAGED SEDIMENT TRANSPORT MODEL TAKEN ACCOUNT BEND FLOWS
2013/7/19
A numerical experiment is carried out to investigate methods for depth-averaged two-dimensional (2D) modeling of suspended sediment trans port in river bends. The hydrodynamic simulation includes the...
EIGENVALUE OPERATOR SPLIT CONTROL VOLUME METHOD FOR 1D, 2D, 3D FLOW AND TRANSPORT
EIGENVALUE OPERATOR SPLIT CONTROL VOLUME METHOD 1D, 2D, 3D FLOW TRANSPORT
2013/7/19
This paper presented a general, simple, stable, and accurate numerical method for numerical simulation of flow and transport. It c ould be an explicit or implicit scheme.As a general numerical scheme,...
DEVELOPMENT AND APPLICATION OF NCCHE’S SEDIMENT TRANSPORT MODELS
DEVELOPMENT APPLICATION NCCHE’S SEDIMENT TRANSPORT MODELS
2013/7/19
The governing equations, model closures, empirical functions and numerical methods of sediment transport models developed in N CCHE are briefly reviewed in this paper. Several verification and applic...
ON THE USE OF EDDY RESOLVING TECHNIQUES TO SIMULATE RIVER TRANSPORT PROCESSES AND FLOW AROUND HYDRAULIC STRUCTURES
ON THE USE EDDY RESOLVING TECHNIQUES SIMULATE RIVER TRANSPORT PROCESSES FLOW AROUND HYDRAULIC STRUCTURES
2013/7/19
This paper describes recent effo rts under way at the IIHR-Hydrosci ence and Engineering related to the use of eddy resolving and advanced near-wa ll modeling techniques to simulate flow around hydra...
2D NUMERICAL SIMULATION OF WATE R FLOW AND SEDIMENT TRANSPORT FOR SANDY AND GRAVEL SHOAL REACHES IN THE DOWNSTREAM OF TGP
2D NUMERICAL SIMULATION WATE R FLOW SEDIMENT TRANSPORT SANDY GRAVEL SHOAL REACHES DOWNSTREAM OF TGP
2013/7/19
In this paper, the characteristics of water flow and sediment transport in a typical sandy and gravel watercourse of the middle reaches of Yangtze River is investigated using a 2D mathematical model...
GENERALIZED SEDIMENT TRANSPORT MODELS FOR ALLUVIAL RIVERS AND RESERVOIRS
GENERALIZED SEDIMENT TRANSPORT MODELS ALLUVIAL RIVERS RESERVOIRS
2013/7/19
The U.S. Bureau of Reclamation has developed a series of computer models (GSTAR) for the simulation and prediction of sedime nt transport, scour, a nd deposition processes in alluvial rivers and res...
THREE-DIMENSIONAL MODELING OF SEDIMENT TRANSPORT IN THE PEARL RIVER ESTUARY
THREE-DIMENSIONAL MODELING SEDIMENT TRANSPORT PEARL RIVER ESTUARY
2013/7/19
A three-dimensional baroclinic model of 9-node quadrilateral elements with 2nd order accuracy for hydrodynamics and cohesive sediment transport is developed in this paper. The operator-splitting schem...
SIMULATION OF SEDIMENT TRANSPORT AND CHANNEL MORPHOLOGY CHANGE IN LARGE RIVER SYSTEMS
SIMULATION SEDIMENT TRANSPORT CHANNEL MORPHOLOGY CHANGE LARGE RIVER SYSTEMS
2013/7/19
Multi-dimensional sediment transport models are valuable tools for conducting river engineering investigations. Frequently, rive r engineers are called on to eval uate the impacts of naturally occurr...