This paper, based on the information obtained from flume experiments and field observations, concerns with the analyses of the flow with hyperconcentration of sediment containing a certain amount of fine particles. At...This paper, based on the information obtained from flume experiments and field observations, concerns with the analyses of the flow with hyperconcentration of sediment containing a certain amount of fine particles. Attention is focused on the classification of flow with hyperconcentration of sediment, the properties of the Bingham shear stress τB and rigidity coefficient η, the movement mechanism of fluid within flow-core and non-flow-core regions, the shear stress distribution and so on. Several formulae have been proposed to indicate vertical velocity distribution of 2-dimensional steady and uniform turbulent flow with hyperconcentration of fluid. The formulae can be applied either to the flow of the Bingham fluid or to that of the Newtonian fluid.展开更多
文摘This paper, based on the information obtained from flume experiments and field observations, concerns with the analyses of the flow with hyperconcentration of sediment containing a certain amount of fine particles. Attention is focused on the classification of flow with hyperconcentration of sediment, the properties of the Bingham shear stress τB and rigidity coefficient η, the movement mechanism of fluid within flow-core and non-flow-core regions, the shear stress distribution and so on. Several formulae have been proposed to indicate vertical velocity distribution of 2-dimensional steady and uniform turbulent flow with hyperconcentration of fluid. The formulae can be applied either to the flow of the Bingham fluid or to that of the Newtonian fluid.
